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Garmin GPSMAP 168 GPS Receiver User Manual

1. Satellite W a Tl tr sa Navigating To FISH 50 K 06 52 017 Waypoint Distance lt Course gt Inf ormation es Tam nit x 1 Navigating To TOUR2 TOUR1 aa 003 3D Navigation 24 JAN 00 01 25 51 Tima a T N 3851 343 BA A DOP W094 47 928 gz m YB E o2 oa o7 08 11143 0 7 ay z ee niil off Date amp Status Page Map Page Sonar Page Compass Page Highway Page Active Route Page ID Diff SHR 151849 262731 Time 24 JAN 00 01 25 51 W 38 51 343 To continue the tour lets move on to the next page the Map Page WO9 4 47929 c Rani To scroll to the next page in sequence 1 Press the PAGE key Status Page The GPSMAP 168 Sounders Map Page combines digital chartplotting with a user selectable display of navigation data and a built in worldwide database to 20 mi It will also be the page you use most to create and edit waypoints and routes Before we take off on our practice route lets take a brief look Data at its various features and displays Winga The map display shows your boat as a triangle marker on an electronically generated chart Geographic names roads markers and buoys that are provided by the optional MapSource data are also shown It also displays your track routes and nearby waypoints An on screen cursor lets you pan to other map areas determine the range and bearing to a position and perform various waypoint and route functions 02
2. ot Be amp 0 You may resize the split line to the left or right anywhere within the shaded reigon Depth Line Graphic Flasher Window 37 Configure Sonar contains the unit settings that should not require frequent change The Sonar setup menu contains settings for Fish Symbols Whiteline Scroll Speed Scale Noise Reject Keel Offset Water Type Remember and Calibration Reference Sonar Tab Options To enter the Sonar setup menu press the MENU key from the Sonar Page highlight Configure Sonar and press ENTER MARK You may also press MENU twice from any screen then highlight the Pecrs Fish Symbols Whiteline Sonar tab using the ARROW KEYPAD Press the RIGHT arrow to access the selection fields Each Trask On time the Setup Menu is accessed the unit will return to the last edited selection field Trip Scroll Speed Scale Pae Fast Overlay To change a setting on the Sonar tab Noise Reject Water Type l B l arry Auto Fresh 1 Using the ARROW KEYPAD highlight the desired field and press ENTER MARK and the available oral 0 0 Setup Only options will appear 2 Highlight the desired setting and press ENTER MARK 3 Press QUIT to return to the Sonar Page or previous page The available Sonar tab options are Sonar Menu Tab Options ci ae 4 Fish Symbols allows the user to determine how the chart will display underwater targets
3. wish to display To display the MapSource Info Page l 2 3 From the Map tab press MENU then highlight MapSource Info and press ENTER MARK Use the ARROW KEYPAD to scroll through the list of downloaded maps To select deselect a map highlight the name of the desired map Press ENTER MARK to select deselect the map The map is selected and will be displayed on the Map Page when a v appears in the box adjacent to that map You may also press MENU and choose to Show All or Show None and press ENTER MARK Setup Page Layout allows you to change the text size and number of data fields that will be displayed The following options are available e None no data fields will be displayed Small 1 Row Small text 4 data fields Small 2 Rows Small text 8 data fields Small 3 Rows Small text 12 data fields Medium 1 Row Medium text 3 data fields Default setting Medium 2 Rows Medium text 6 data fields Large 1 Row Large text 1 data field Huge 1 Row Huge text about 1 3 of the screen 1 data field Huge 2 Rows Huge text with a compass ribbon at the bottom of the display 2 data fields This option is available only on the Compass Page To change the page layout 1 From the Map Page s menu options list use the ARROW KEYPAD to highlight the Setup Page Layout option and press ENTER MARK Move UP or DOWN on the ARROW KEYPAD to hi
4. ccc eee ee 80 Appendix B Time Offsets 005 82 Appendix C Messages 00e een eee 83 Appendix D Map Datums 05 85 Appendix E Navigation Terms 87 Appendix F Specifications 65 89 Appendix G Installation 005 90 Appendix H Understanding Sonar 100 Appendix l Index ce cece eee 105 Introduction Table of Contents yii Introduction How To Index The list to the right is provided to help you quickly find some of the more important procedures you will use on your new GPSMAP 168 Sounder viii TO DO THIS SEE PAGE S Turn the unit on or off o a aoaaa aaa de dace wh a 46 19 Initialize the GPS receiver first time use n nannaa anaana eee aaa 4 5 Adjust screen contrast or backlighting 0 0 000005 6 7 Faterdati and select OpU0NG sasi iesi pai eoD ae Saa E aa 2 3 Learn how the operate the units function keys 02 00 00000 l Mark your present location as a waypoint n nasaan annaa 1044 Go to a destination n a a uaaa n aaan a araara 11 52 56 G O00 ise FOU EE E EEE E aeons 57 64 Learn about the Map pace 4 s0nnag 4 daddies caved enone sips 8 9 24 26 Fam sine the Map WiO eraran reu ea bp oeoee tones aa 9 25 Zoom in or out on the Map page 6 eee 9 26 Reconfigure the Map page display 0 0 e kiai 27 33 Access the Main Menu 0 c c
5. Huge 2 Rows Arrow 1 Use the ARROW KEYPAD to highlight the desired option and press ENTER MARK For detailed option steer until the bearing line is instructions on changing the data fields and layout of the Compass Page see pages 32 33 aligned with the course arrow H Reference Highway Page When a NAV MOB TracBack or route has been activated the GPSMAP 168 Sounders Highway Highway Page Page will provide digital and graphic steering guidance to the destination The top half of the Highway Page features user selectable data fields that display useful navigation data The middle section of the screen provides visual guidance to the waypoint on a graphic highway display The line down the center 00 20 6 024 of the highway represents your desired track line OFF COURSE TIME TO NEXT 50 3 06 52 0 17 As you head toward your destination the highway perspective moves to indicate your progress to ae Navigating To TOUR2 the waypoint and which direction you should steer to stay on course If you are navigating a route the Paini uren Highway Page shows each route waypoint in sequence connected by a black road with a white line Go To i fe l TU ai down the middle which is your desired track line Nearby waypoints not in the active route can also be displayed The highway perspective scale may also be zoomed in or out to display a larger or smaller Data Fields A view of the highway Five settings are available
6. Reference To manually enter a frequency and bit rate 1 With the unit set to Garmin DGPS or RTCM In NMEA Out use the ARROW KEYPAD to highlight Main Menu the Beacon field and press ENTER MARK Comm Tab 2 Highlight User and press ENTER MARK Route GARMIN DGPS 3 Highlight the Frequency or Bit Rate field press ENTER MARK then enter a frequency or bit rate a er and press ENTER MARK when done Pases hey v Frequency The i ing Cicer e Status field will show one of the following m Tuning unit is attempting to tune to the specified frequency and bit rate Kenn Scanning unit is automatically scanning through the frequencies and bit rates Receiving unit is receiving DGPS signal and ready for operation S e Check Wiring unit is not making connection with DGPS receiver You may also manually enter a bit rate and frequency When the unit is receiving a DGPS signal the SNR Signal to Noise Ratio and Distance fields will show data The SNR range is OdB to 30dB with 30 being the best The distance may or may not show data depending upon the signal being broadcast from the DGPS site k Serial Data Format Track GARMIN DGPS Trip Baud Status Time 4800 Scanning Beacon Bit Rate Frequency Sonor Ocan 200 300 0 Systm SHR Distance Units g A The DGPS beacon transmitter
7. Auto Those features which have a specified scale or turned Off are unaffected by this setting Orientation North Up fixes the top of the map display to a north heading Track Up fixes the top of the map display to the current track heading Course Up fixes the map so the direction of navigation is always up and turns the navigation leg line vertical on the screen AutoZoom On Off when On the map will automatically adjust the map scale to a lower scale as you approach you destination point Source Tab Basemap On Off turns the built in base map on or off MapSource On Off turns the optional MapSource data loaded in the unit on or off Points Tab Waypoints Active Route and Marine Navaids Text None Small Medium and Large controls the screen size of the name Zoom Auto Off 120 ft 800 mi sets the maximum scale at which the feature should appear on the screen Some types of data will only show up to certain zoom scales Line Tab Saved Tracks Track Log Active Route Auto Off 120 ft 800 mi sets the maximum scale at which the feature should appear on the screen Lat Lon Grid Text Medium None Zoom Auto Off 120 ft 800 mi sets the maximum scale at which the feature should appear on the screen Geo Tab Geo Points Rivers Lakes Park Areas Text None Small Medium and Large controls the screen size of the name Zoom Auto Off 120 ft 800 mi sets the maximum
8. Comm __ x0 for Main Menu Celes TOUR4 491 Available 9 Used Options Menu gt a S 3 a Waypoint List Status Symbol Coordinates 46 001 T W094 47 937 New Waypoint Name Depth i 38 51 353 Depth 0 0 TEAM Ok GoTo Delete New Waypoint Page Creating Waypoints By Text Entry Waypoints may also be created by manually entering a position s coordinates through the Waypt tab on the Main Menu Page To create a new waypoint by manually entering its coordinates 1 Press MENU twice to display the Main Menu Page 2 Highlight the Waypt tab option and press MENU Highlight New Waypoint on the options window and press ENTER MARK The New Waypoint Page will appear with the next available waypoint number and the receiver s last known position as the default name and position 3 If you want to change the waypoint name symbol or enter a depth highlight the desired field and press ENTER MARK Use the ARROW KEYPAD to enter the new waypoint name icon position or depth Press ENTER MARK after the last character in each section 4 When you have finished entering all your waypoint data highlight the OK prompt and press ENTER MARK Reviewing and Editing Waypoints Once you have created and stored a waypoint it may be modified reviewed renamed moved or deleted at any time through the Waypoint Edit Page The
9. When the screen is blank release the POWER key The next section of the manual describes the pages and functions of the GPSMAP 168 Sounder in detail If you are unable to locate a specific option or function please refer to the index on pages 105 107 Thank you for choosing the GARMIN GPSMAP 168 Sounder navigation unit We hope it will be a useful and fun tool for you wherever you go Getting Started Deleting Track Logs Powering Off Unit Submenu Tabs Waypt Active Saved Route Track dative Track Memory Used 57 Record Hode Pages Wrap Interval Value systm Resolution 82 Units Comm Save rrr Alarm Celes Tide Submenu Options 19 Receiver Status Reference Status Page Signal Strength Bars n Navigatio Accuracy A ccurac cm 38 Sky View W k a lt a 3 p2 03 07 08 11 1 z 0 7 DOP Y 2 B F bet Bowe 07 o AN ee Sper Date 24 JAN 00 01 25 51 Status Time Collecting data 20 N 38 91 343 W094 4 7 928 Position Coordinates Ready for use 4710 19 a0 24 Searching for signal Status Page The GPSMAP 168 Sounder Status Page provides a visual reference of satellite acquisition receiver status date time and position coordinates The status information will give you an idea of what the receiver is doing at any given moment The sky view and signal strength bars give you a
10. highlight the By Name tab and press the MENU key To scroll through and review the waypoint list Waypoint Options 1 With the ARROW KEYPAD highlight the Waypt tab from the Main Menu Page and then highlight By Name Waypt By Name Nearest Proximity o Route GARMIN 2 Use the ARROW KEYPAD to scroll through the list in the desired direction a z E LMR Fi 3 Press ENTER MARK to review the highlighted waypoint on the Waypoint Edit Page GRHEUR j 4 Press ENTER MARK to return to the list ee GRATO Sonar TOURT Systm TOUR2 To create a new waypoint using the waypoint menu see page 46 Units TOUR3 Waypoint To delete an individual waypoint from the list Lb ol List 1 Use the ARROW KEYPAD to highlight the waypoint to be deleted and press MENU ee 2 Highlight Delete Waypoint and press ENTER MARK You may also highlight the waypoint press ENTER MARK then highlight Delete and press ENTER MARK 3 Press the ENTER MARK key to confirm the deletion warning You can also search for a waypoint by name 1 Highlight the name field and press ENTER MARK To delete waypoints by symbol 2 Use the ARROW KEYPAD to select the first letter of the 1 From the By Name tab highlight the waypoint to be deleted and press the MENU key then select ree Delete By Symbol and press ENTER MARK 3 Move to the RIGHT and enter the second letter if you do not see it on the lis
11. napsouce The data window located at the top of the page provides a user selectable display of various Map Page ee idi h 9 navigation data including course speed over ground and bearing and distance to the cursor or a particular waypoint The current map scale setting is located at the bottom right of the page SPEED DIST TO NEXT POINTER n MIAMI SHOPPING ER PARK Current Position Me Using the Map Cursor Working from the Map Page is a simple process that centers around the use of the cursor Controlled by the ARROW KEYPAD the cursor is an important tool that can be used to pan to other map locations mark and edit waypoints and routes and review position data of on screen map items and waypoints To get a feel for using the Map Page and using the cursor try the following exercise 1 Use the IN OUT keys to set the map scale to the 50 nm setting Your boat should be near the center of the map at the receiver s last known position If your boat isn t where it should be make sure that you have initialized the receiver and acquired a position as described on pages 1 2 2 Use the ARROW KEYPAD to move the cursor Notice how another data field appears at the top of the page showing the bearing and distance trom your boat to the cursor along with the latitude longitude of the cursor 3 Press the QUIT key to remove the cursor and re center your boat on the map display As you become more familiar
12. with your vessel centered on the map display When sufficient map coverage is not available to keep the boat centered the boat icon will move toward the edge of the display e Ifthe boat icon attempts to go off the display the zoom level may need to be adjusted to keep cartography on screen When the ARROW KEYPAD is pressed the GPSMAP 168 Sounder will enter cursor mode In cursor mode The cursor can be moved over the map display using the ARROW KEYPAD Whenever the cursor reaches the edge of the display the map will scroll forward under the cursor Keep in mind that the boat icon will move with the map scrolling and may go off the display screen you may not be able to see your present position When the cursor is stationary a fixed coordinate position will appear in the position field Note that the distance and bearing will change as the boat s position changes e Whenever you zoom in cursor mode the cursor will be centered on the screen e To return to position mode press the QUIT key A When the cursor reaches the edge of the map the unit may pause as it loads new map data Using the Cursor The cursor allows you to pan away from your present position and scroll to other map areas around the world even outside of your current MapSource coverage As you pan past the edge of the current map display the screen will actively scroll forward to provide continuous map coverage To move the cursor 1 Press
13. Convenience Store 4 Dam You can choose from a list of 38 useful symbols To mark your present position 1 Hold down the ENTER MARK key until the New Waypoint Page appears then release the key The window will show a default three digit waypoint name number 001 symbol dot and position You can leave the name as the auto assigned number but for this exercise lets change the name to DOCK Use the ARROW KEYPAD to highlight the waypoint name field 001 and press ENTER MARK You will see that just the first 0 is now highlighted Press LEFT on the ARROW KEYPAD to clear the name field Press the UP or DOWN arrow of the ARROW KEYPAD until the letter D appears and then press the RIGHT arrow key to go to the next space to the right then UP or DOWN again until O appears Repeat this until you have entered the name DOCK If you make a mistake and select an incorrect character simply use the LEFT arrow key of the ARROW KEYPAD to backspace the cursor and then UP or DOWN to correct the entry If you accidentally press ENTER MARK before you are done simply press ENTER MARK again and move the highlight to where you left off 5 After you have entered all the letters press ENTER MARK to confirm the name To access the waypoint symbol menu highlight the waypoint symbol field which is to the left of the waypoint s name and press ENTER MARK Note The default symbol is a dot You will see an alp
14. LAKE ERIE gg ag CEDAR POL is Water e AeEDAR POINT Navaid S LAKE ERIE Qeg STRAIGHT CHO0 8 L L j a FG M mapsource Geographic Name Map Scale Map Page shown using optional MapSource data Map Page The GPSMAP 168 Sounders Map Page provides a comprehensive display of electronic cartography plotting and navigational data When using the unit with the optional MapSource software the map display shows your boat on a digital chart complete with geographic names map items navaids and a host of other chart features It also plots your track and displays any routes and waypoints you create An on screen cursor lets you pan and scroll to other map areas determine the distance and bearing to a position and perform various route and waypoint functions When the cursor is active an additional data window will appear below the data fields to indicate the position range and bearing to the cursor or a selected waypoint or map item The map scale displays at the bottom right corner of the page The IN and OUT keys combined with the ARROW KEYPAD let you select zoom ranges and move the cursor Two basic map operating modes position mode and cursor mode determine what cartography is shown on the map display Position mode pans the cartography to keep the present position marker within the display area while cursor mode pans the cartography to keep the cursor within the display area The GPSMAP system will always power up in the position mode
15. Route Fish Symbols Whiteline l l Traci i Adjustment Bar even after it has been powered off and back on or just the Setup Only m _ ns the bost to l Time Cruising speed Note items on the Sonar tab Page your top speed then si Ma stop the boat and e Calibrate Water Speed this is only available if you are using a speed capable transducer Sod press ENTER Yst TE Calibration is required to ensure that the Water Speed displayed on your unit will be accurate Units Concei ME Y i Fe gt Comn x The unit will automatically use the GPS ground speed if it is available for comparison on e ere l l i Celes 7 the calibration If a GPS ground speed is not available use either your boats speedometer Tide e2 reading not always accurate or a stopwatch to determine your speed over a certain distance distance time speed It is recommended that the calibration take place in water having Calibrating the Speed Sensor little or no current 39 40 Reference Sonar Tab Options Waypt Route Tracl Trip The What was your Page top water speed sana anal Systr Cancel Top Top Uncalibrated Ground Speed Water Speed 25 9 Fish Symbols Whiteline Alarn Celes Tide m m t a If a ground speed is not available the unit will use the uncalibrated water speed Waypt _ Pee Route Fish Symbols Whiteline Traci Bring
16. Route Only only waypoints in the route will be displayed e Active Only only the active waypoint will be displayed e Hide All no waypoints will be displayed To configure the highway display 1 From the options menu highlight Configure Highway and press ENTER MARK 2 Highlight the desired option and press ENTER MARK Setup Page Layout allows you to change the text size and number of data fields that will be displayed e Change Data Fields allows you to specify the type of data displayed in each data field used on the map display For detailed instructions on changing the data fields and layout of the Highway Page see pages 32 33 Active Route Page When you have activated a route in the GPSMAP 168 Sounder system the Active Route Page will show each waypoint of the active route along with various user selectable types of data For additional details on the Active Route Page see page 64 Route Name Route Points Reference Highway Page Options Configure Highway Setup Page Layout Change Data Fields RENO for Main Menu Highway Page Options Menu Active Route GPSHAP TOUR Waypoint Distance lt Course TOUR1 NE s TOUR2 1 8 On TOUR3 4 40 001 TOUR4 7 5 305 TOURS 17 3 n TOTALS 17 3 337 Selectable Data Field 43 Reference Creating and Using Waypoints The GARMIN GPSMAP 168 Sounder stores up to 500 alphanumeric waypoints wit
17. Started tour before using your unit for actual navigation The GPSMAP 168 Sounder Quick Reference Guide contains helpful tips on using the unit and performing various navigation tasks Its a good idea to keep the Quick Reference Guide nearby whenever youre operating your new GPSMAP 168 Sounder Initializing the Receiver The first time you power up your new GPSMAP 168 Sounder the receiver must be given an opportunity to collect satellite data and establish its present position To ensure proper initialization the GPSMAP 168 Sounder is shipped from the factory in AutoLocate mode which will allow the receiver to find itself anywhere in the world To speed up the initialization process we recommend using the graphic initialization process described on the next page which will usually provide a position fix within a few minutes Before you initialize make sure the GPSMAP 168 Sounder unit and antenna have been correctly installed on your vessel according to the instructions in Appendix G The antenna needs to be in a clear and unobstructed view of the sky to receive satellite signals To turn the GPSMAP 168 Sounder on 1 Press and hold the POWER key until the power tone sounds and the display comes on then release the POWER key The Welcome Page will appear while the unit conducts a self test Once the internal test is complete a warning page will appear asking you to read and acknowledge important information regarding the proper u
18. Transducer Pin 11 Yellow Alarm Pin 15 Red 10 18 VDC RED 10 to 18 VDC Pin 16 Brown NMEA In o Pin 14 Green No Connection Pin 17 Blue NMEA Out Pin 18 Black Ground A Pin 13 White No Connection BLACK Ground oo 10 18 volts DC BLUE NMEA Out 9 RXD mA BROWN NMEA In NMEA Device n j or Autopilot GREEN No Connection RXD Note During a typical installation only the Red and IWHITE Nal Connection op pare Black wires are used The other wires do not have to TeS RXD Beacon be connected for normal operation of the unit Alarm Relay og ene 100ma max coil current Interfacing The following formats are supported for connection of external devices GARMIN proprietary Differential GPS DGPS NMEA 0183 version 2 3 ASCII Text Output RTCM SC 104 input version 2 0 The following are the sentences for NMEA 0183 version 2 3 output Approved sentences GPRMC GPGGA GPGSA GPGSV GPGLL GPBOD GPRTE GPWPL SDDBT SDDPT SBMTW and SDVHW Proprietary sentences PGRME PGRMZ and PSLIB The GPSMAP 168 Sounder also includes NMEA input with support for the WPL sentence You can download a copy of GARMIN s proprietary communication protocol from the Help and Support section of our website at www garmin com Transducers The transducer acts as the eyes and ears of your new sonar Proper transducer selection and i
19. Viti Levu 1916 Viti LevwFiji Islands Wake Eniwetok Marshall World Geodetic System 72 World Geodetic System 84 Zanderij Surinam Altitude Height above mean sea level MSL Avg Speed The average of all second by second speed readings since last reset Bearing BRG The compass direction from your present position to a destination waypoint Course The desired course between the active from and to waypoints Distance Dist The great circle distance from present position to a destination waypoint Dist to Dest The great circle distance from present position to a GOTO destination or to the final waypoint in a route Dist to Next The great circle distance from present position to a GOTO destination or to the next waypoint in a route ETA Estimate Time of Arrival The estimated time you will reach your destination waypoint based on current speed and track ETA at Dest The estimated time you will reach a GOTO destination or the final waypoint in a route ETA at Next The estimated time you will reach a GOTO destination or the next waypoint in a route Fuel The fuel required to travel from present position to the indicated route waypoint Leg Dist The distance between two route waypoints Leg Fuel The fuel required to travel from a route waypoint to the next waypoint in sequence in the route Leg Time The time required to travel from a route waypoint to the n
20. center of the highway display The line down the middle of the highway represents your desired course As you navigate toward a waypoint the highway will actually move indicating the direction you re off course To stay on course simply steer toward the center of the highway or keep it on the road The six default data fields at the top of the page indicate Speed Distance To your destination or the next waypoint in a route To Course which shows the bearing to get you back on course the distance you are Off Course Time To the Next waypoint and the compass Track you are heading Use the Highway Page as your primary navigation page in lieu of the Compass Page when your main concern is following a defined course When the GPSMAP 168 Sounder is in simulator mode you can also adjust your speed and course from the Highway Page using the ARROW KEYPAD As you head toward each waypoint in the tour route try adjusting your boat speed and course to get a feel for how the highway works To adjust the simulated boat speed from the Highway Page 1 Press the UP arrow of the ARROW KEYPAD to increase the speed in 10 knot kph mph increments Press the DOWN arrow to decrease the speed in the same increments To steer the boat 1 Press the LEFT and RIGHT arrows of the ARROW KEYPAD Notice that as you get off course the highway will move to give you graphic guidance to get back on course You can zoom in or out on the highway displa
21. corrosion If using in Salt Water rinse the transducer and cable in fresh water and dry before storing in the case GPSMAP 168 Sounder Portable Batteries The GPSMAP 168 Sounder Portable comes with a D Cell battery pack Eight D Cell Alkaline batter ies will provide approximately 20 hours of continuous operation You have the option of purchasing a 12 Volt rechargeable Gel Cell battery for the portable case from a third party vendor The maximum size of the Gel Cell should not exceed 4 H x 2 5 W x 6 L If using a Gel Cell battery you can anticipate approximately 40 hours of continuous operation between charges Cold temperatures will reduce battery life Installing the D Cell Batteries 1 Disconnect the Red and Black leads 2 Install the batteries noting the correct polarity 3 Reconnect the Red and Black leads and place the battery pack batteries down in the provide location within the case Install the Battery Pack into the moulded location in the Portable Case Installing a Gel Cell Battery Verify that the Gel Cell battery has male spade connectors installed on the positive and negative leads 1 Disconnect the Red and Black leads and remove the D Cell battery pack 2 Connect the Red and Black Gel Cell leads to the Red and Black wires in the portable case 3 Place the Gel Cell battery in the same location as the D Cell battery pack The Portable Case was designed to accommodate a 12 Volt Gel C
22. create a user defined route The GARMIN GPSMAP 168 Sounder system lets you create and store up to 20 reversible routes numbered 1 20 with up to 30 waypoints each Routes can be created and modified in two ways The first way is to Edit as Text from the Route Review Page allowing you to see a list of the waypoints as you create review or modify the route The second way is from the Edit on Map from the Route Edit Map Page allowing you to see each route graphically on screen as you create review or modify the route All of the GPSMAP 168 Sounders route functions are accessed through the Main Menu Page or the NAV MOB key To create a route using text from the Route Review Page 1 Press the MENU key twice to display the Main Menu Page 2 Use the ARROW KEYPAD to highlight the Route tab and press the MENU key to display the route options menu 3 Select the New Route option and press ENTER MARK 4 Use the ARROW KEYPAD to highlight the first field under the word Waypoint and press ENTER MARK 5 From either the By Name or Nearest tab lists choose the waypoint you want and press ENTER MARK The next field down on the list will automatically highlight 6 Keep using the methods on steps 4 and 5 until the desired route points have been entered Press QUIT to return to the Route List Page Note To use map items as route points you will need to either already have them saved as a waypoint or create
23. date and time When moving about a page with these type of fields the cursor will skip over them RET ne Forme ET Waypoint Edit Track 12 Hour Every field and button on this page HOME AYRIM ES The waypoint can be renamed Trip Time Zone UTC Offset can be programmed or activated HONS Time Other 08 00 N 38 51 333 Depth Pages Daylight Savings Time W094 47 941 _ 20 0 A depth can be entered Za oA int symbol can be selected uct Current Time and Date on programable sit eas aes dal units 03 24 33 02 MAR 00 q data fields from a list of symbols e Option buttons can be activated Alarm The coordinates can be changed Getting Started Initializing the Receiver Acquiring Satellites H Aero oF 45 i y i i an E 01 o2 03 10 11 13 ry SSHR GPSmap 168 13 Sounder 4 o GPSMAP 168 Sounder Self Test Screen Acauirina Satellites WARNING All information is presented for reference only You assume total responsibility and risk associated with using this device to agree GPSMAP 168 Sounder Warning Screen The GPSMAP 168 Sounders advanced keypad system is designed to allow for fast convenient selection of navigation options and data entry The Getting Started Tour will introduce you to the keypad and provide a hands on lesson in using the GPSMAP 168 Sounder We strongly encourage you to take the Getting
24. for distance speed and altitude readouts in Nautical nm kt ft Statute mi mh ft or Metric km kh mt terms You may manually enter a magnetic variation e Depth lets you select the desired units of measure for depth readouts in Feet ft Fathoms fa or Meters mt Temperature lets you select the desired units of measure for temperature readouts in Fahrenheit F or Celsius C 11 Data Transfer Progress 72 Reference Main Menu Comm Tab Waypt Route Serial Data Format track TO Po My W El Garmin Data Transfer pages GARMIN DGPS Map NMEA Out sonor Text Out Syst RTCH In Comm RTCH In NMEA Out alarm RTCH In Text Out Celes None Tide I OF Comm Tab Serial Data Formats Comm Communications tab lets you control the input output format used when connecting your GPSMAP 168 Sounder to external NMEA devices a DGPS beacon receiver a personal computer another Garmin GPSMAP 168 162 etc Eight format settings are available Garmin Data Transfer the proprietary format used to upload download MapSource data exchange waypoint route track almanac and proximity data with a PC or another GARMIN GPSMAP 168 162 When you select Garmin Data Transfer there are 11 Transfer Modes to choose from Host Request Almanac Request Proximity Request Routes Request Tracks Request Waypoints Send Almanac Send Proximity Send Rou
25. leg on which you point you wish to insert the new point before To add a point to the end highlight the blank field at wish to insert a waypoint and press the bottom of the list and press MENU EN EERMARK 2 Highlight Insert Waypoint or Add Waypoint and press ENTER MARK Route Edit 3 From either the By Name or Nearest tab lists highlight the waypoint to be inserted added and N 35512 747 press ENTER MARK mak To select a waypoint from the map highlight the By Name or Nearest tab and press MENU With Select From Map highlighted press ENTER MARK Use the zoom IN and OUT buttons and the ARROW KEYPAD to highlight a waypoint on the map and press ENTER MARK Remove Waypoint Allows you to remove a point waypoint or map item from a route This option is available from both the Route Review and Active Route Pages mgs To remove a point from a route 25 Points Available 5 Points Used o 1 From either the Route Review or Active Route Pages use the ARROW KEYPAD to highlight the Drag the route leg to an existing waypoint shown map item or a blank spot on the point to remove and press MENU 62 map to create a new route point 2 Highlight Remove Waypoint and press ENTER MARK Invert The Invert function will reverse the route you choose This option is available from both the Route Review and Active Route Pages To invert a route 1 From the Route Review or Activ
26. map item To edit the route on the map 1 From the Route Review Page highlight Edit Route on Map and press ENTER MARK To edit a route point 1 Use the ARROW KEYPAD to highlight the desired route waypoint and press ENTER MARK A pop up menu of editing choices will appear with options for reviewing removing moving centering the map on the next point or adding turns to the beginning or end of the route To review a route point 1 Highlight the Review option and press ENTER MARK Press ENTER MARK again when done To remove a route point i Highlight the Remove option and press ENTER MARK To move a route point i 2 Highlight the Move option and press ENTER MARK Move the cursor to the new map position and press ENTER MARK To center the map on the next route point 1 Highlight the Next option and press ENTER MARK To add turns at the beginning or end of the route ie 2 3 4 Repeat steps 3 and 4 to insert additional waypoints or press QUIT to finish Select the first to add waypoints to the beginning of the route or last to add waypoints to the end of the route route waypoint with the map cursor and press ENTER MARK Highlight the Add Turns option and press ENTER MARK Move the cursor to the new point or position and press ENTER MARK If you are not inserting an existing waypoint press ENTER MARK to confirm the new waypoint Reference Editing R
27. not been predefined requires the use of both the ARROW KEYPAD and the ENTER MARK key To enter a name or number in a data field Entering Data 1 Once you have accessed a page with programmable data fields i e Waypoint Edit you can use the ARROW KEYPAD to move the cursor highlight to fields on the page Use the UP DOWN N 2828 32 N 28 28 32fE arrows to move up or down and the LEFT RIGHT arrows to move sideways WOSE 42 401 H082 42 401 2 Pressing the ENTER MARK key with the field highlighted begins the process for entering data in f A Pressing UP or DOWN the form of alphanumeric characters ty aa 3 Use the ARROW KEYPAD UP DOWN arrows to cycle through numbers 0 to 9 plus minus symbols letters blank space and the alphabet Pressing and releasing the keypad moves you character by character through the list Pressing and holding the keypad moves you rapidly through the list N ee 28 32 Hoge Gey aot 4 Use the ARROW KEYPAD LEFT RIGHT arrows to move to the next character on the line or backwards to edit characters If there are more than two lines of data keep pressing to the RIGHT D _ Pressing LEFT or RIGHT to drop down to the next line 4 4 J on the ou eid moves the cursor alon 5 When data entry is complete press ENTER MARK to accept data then move to the next program Rewer tage a mable field Not all data fields are programmable like the
28. of gray and black and makes determining the bottom type easier and more reliable Example 3 shows the bottom return with and without the whiteline activated 1 a E ANT Pad ee Qf E ce er ee eT A EE oe ee eee Se eee Tig FH Lt N Hard Bottom Whiteline Soft Bottom Whiteline Turned Off Example 3 Appendix H Understanding the Chart Whiteline can also help you to determine the type of bottom structure that is displayed on the chart By determining the hardness of the structure you can make a better informed decision on the type of structure Structure is hard Structure is soft probably a rock or stump probably a mud pile 103 104 Appendix H Understanding the Chart Thermoclines One of the unique features offered by GARMIN is See Thru technology See Thru technology allows the GPSMAP 168 Sounder to see through thermoclines and helps locate fish where they live and fish love the thermocline A A rough definition of a thermocline is a break in water where the water temperature changes faster than the water above it The thermocline usually displays as a gray level as shown below Thermocline A NGS e310 6 ac er en ee ne oe vi 93 PC CUNY eee rr E 21 PCC AG CANN E A 3l Active Route Page ceeeeeeeeeee 43 64 Active Route Page Options s 64 Adjustment Bar 0 0 00e 14 34 35 IPN EET E 75 76 Altitude Speed and Distance 71 Anchor Drag ATI es
29. only P N 010 10107 00 Peal ne 200 kHz 12 bronze thru hull mount depth temp P N 010 10217 00 e 200 kHz 12 plastic thru hull mount depth only P N 010 10119 00 200 kHz 12 plastic thru hull mount depth temp P N 010 10218 00 e 200 kHz 14 plastic trolling motor depth temp P N 010 10200 00 e 200 kHz 9 bronze thru hull depth temp speed P N 010 10177 00 e 200 kHz 8 plastic transom mount depth temp P N 010 10228 00 e 200 kHz 8 plastic transom mount depth temp speed P N 010 10229 00 e Speed Sensor P N 010 10252 00 e Temperature Probe P N 010 10225 00 e 10 ft Extension cable for transducers P N 010 10170 00 e 20 ft Extension cable for transducers P N 010 10170 01 93 Appendix G Narrow cone angle Appendix G Mounting the Transducer DO NOT mount the transducer behind strakes struts fittings water intake or discharge ports or anything that creates air bubbles or causes the water to become turbulent It is important that the transducer be in clean non turbulent water for optimal performance 94 Proper transducer installation is key to getting the best performance from your new unit If the transducer lead is too short extension cables are available from your GARMIN dealer DO NOT cut the transducer lead or any part of the transducer cable as this will void your warranty The cable cannot be spliced and connected to any existing Garmin or no
30. page Press twice to display the Main Menu The NAV MOB Key The NAV MOB key displays the Go To and Follow navigation menu It also activates the MOB Man OverBoard function when pressed and held for more than one second The POWER BACKLIGHT CONTRAST Key The POWER BACKLIGHT CONTRAST key turns on off the unit and display illumination Getting Started Keypad Usage ZOOM W A Arrow Keypad gt D MOB Ege Power Key Always press and release a key to perform its primary function Pressing and holding the ENTER MARK or NAV MOB keys will activate their secondary function gt Getting Started Selecting Options Measure Distance Show Flasher Resize Map Configure Map Setup Page Layout Change Data Fields hen for Main Menu Options Menu with highlighted option Full Screen Map On Measure Distance Show Flasher Resize Map Setup Page Layout Change Data Fields men for Main Menu Use the ARROW KEYPAD to highlight the next option Press ENTER MARK to activate Waypt Route Track r Trip Detail Time Orientation Pages AutoZoom Map Sonar Systm Comm Alarm General Source Points Line Geo T 7 aa i fA Units eS 2 field How To Select Options and Enter Data Before moving ahead into GPSMAP 168 Sounder features you will need to learn basic operation You can select and activate options and enter data to cust
31. scale at which the feature should appear on the screen Some types of data will only show up to certain zoom scales Topo Tab Major Medium Minor Contours Land Cover Reference Text None Small Medium and Large controls the screen size of the name Zoom Auto Off 120 ft 800 mi sets the maximum scale at which the feature should appear on Map Page Options the screen Some types of data will only show up to certain zoom scales Other Tab Bearing Line On Off draws an extension from the end of the boat icon in the direction of travel Ad tere Major Contour Medium AUTO Medium Contour Medium AUTO Color Mode Water Mode Land Mode when in Water Mode land will appear as a dark color and water will be light In Land Mode land will appear as a light color and water will be dark Minor Contour Medium AUTO Accuracy Circle On Off toggles the circle On and Off The circle represents the approximate tand Cover Medium AUTO accuracy of the unit based on EPE DOP and basemap quality You position will be within the Topo Tab circle ource Points Line Geo Topo lit Map Setup Menu Options Bearing Line Off From the map configuration tab you can access the following menu options Color Mode Land Mode Accuracy Circle On e Restore Defaults restores settings back to factory settings for the tab highlighted Restore All Map Defaults restores settings back to factory s
32. the basic pages and functions of the system using the simulator mode Once you re familiar with the main pages and functions of the unit refer to the reference section for instructions on performing specific tasks and functions The Getting Started tour assumes that the receiver has been properly installed and initialized and you have not changed any of the default unit settings If you have changed any settings position formats units of measure etc the descriptions and pictures in the tour may not match your configuration To turn the GPSMAP 168 Sounder on 1 Press and hold the POWER key until the power tone sounds then release the POWER key The Welcome Page will appear while the unit conducts a self test 2 Once the self test is complete press the ENTER MARK key if you agree to acknowledge the warning The Status Page will appear as the receiver begins acquiring satellites From the Status Page or any other page you may also adjust the screen contrast and backlighting To adjust the screen contrast 1 Press POWER to activate the Light and Contrast window 2 To decrease or increase the screen contrast press LEFT or RIGHT on the ARROW KEYPAD 3 Press the ENTER MARK key to finish The GPSMAP 168 Sounders adjustable screen backlighting is controlled with the POWER key and may be adjusted at any time from any page The backlight can cycle through off user defined and maximum backlight levels by repeatedly pressing the POWE
33. the route graphically on the Route Edit Map Page Reference Creating Routes wat GPSHAP TOUR eee Time Pages 77 Map Copy a Systm Delete Route j units Delete All Comm for Main Menu 19 Available 1 Used Route Tab and Route Options Menu s Select Waypoint By Name Nearest gt TOUR1 TOUR1 TOUR2 1 TOUR3 TOUR4 TOURS TOTALS ae Choose a waypoint from either the By Name or Nearest tab list 57 Reference Creating Routes H 35 0 1 287 H076 25 085 You will see INS below the cursor ds you add points Map Pointer KA H 35 02 036 058 a HO76 13 887 Edit as Text Stop Editing Route meno for Main Menu TORS a overzoo 27 To stop editing press MENU and choose one of the above options To create a route graphically from the Route Edit map page 1 2 Press the MENU key twice to display the Main Menu Page Use the ARROW KEYPAD to highlight the Route tab and press the MENU key to display the route options menu Select the New Route option and press ENTER MARK Press MENU highlight Create on Map and press ENTER MARK 5 To add an existing waypoint or map item to the route use the arrow cursor to highlight the desired waypoint or map item on screen and pre
34. the selected zoom range is covered by either the internal database or MapSource data cartography will be displayed e When the selected zoom range is covered by both the internal database and MapSource data cartography will be displayed using the data with the best resolution e When the selected zoom range exceeds the resolution of the data in use overzoom cartography will be displayed and an overzoom warning will appear below the scale field Map Page Options Reference Many features of the GPSMAP 168 Sounder are menu driven Each of the main pages have an options menu allowing you to custom tailor the corresponding page to your preferences and or select Map Page Options special features that specifically relate to that page The data window located at the top of the main pages Except the Status Page and Active Route Page provides a user selectable layout of various types of useful data Each data field may be configured to display any one of 27 data options The data window layout may also be changed to display additional data fields and change the actual size of the data displayed The GPSMAP 168 Sounders Map Page provides access to functions and features relating to the Map Page and the layout options T To display the Map Page options PE P a p 1 Press MENU ree MIRO PR To select a menu option p Shou Sonar 1 Use the ARROW KEYPAD to highlight the desired option and press EN
35. to control the position of the line on the chart The depth is displayed in a window on the right side of the line Show Hide Flasher with the Flasher active a graphic Flasher representation will be displayed on the far right side of the chart This graphic Flasher displays structure and bottom returns much the same as a true Flasher You may find this feature particularly useful when using Fish Symbols To turn the Graphic Flasher on and off 1 From the Sonar Page menu highlight Show Hide Flasher and press ENTER MARK Resize Split enables width adjustment of the Sonar split screen This option is only available when a zoom scale other than No Zoom is selected You may adjust the size of the split window anywhere from 1 4 to 3 4 width from the right half of the Sonar Page To resize the Map Page split screen 1 From the Map Page and Sonar Flasher split screen press MENU 2 Using the ARROW KEYPAD highlight Resize Map and press ENTER MARK 3 Move the horizontal double arrow LEFT or RIGHT using the ARROW KEYPAD until the desired vertical width line shows then press ENTER MARK 4 Ifyou wish to cancel this operation press QUIT or press MENU highlight Stop Resizing and press ENTER MARK Reference Sonar Page Options DEPTH SPEED f k t t WATER SPEED k t Range lt 2x Split gt Gain View Line 2X Zoom Split Screen 29 7 00 50 4 Range 2x Split Gain View 0 A
36. track Trip Odometer A running tally of distance travelled since last reset Also see Odometer Total Average Speed Average speed of unit for both moving and stopped speeds since last timer reset Total Trip Timer Total time the unit has been in operation since last reset of the trip timers Turn The angle difference between the bearing to your destination and your current track L indicates you should turn left R indicates you should turn right The degrees indicate the angle you are off course VMG Velocity Made Good The speed you are closing in on a destination along a desired course Also referred to as the vector velocity to your destination Physical Specifications Size Weight Display Case Temperature Range Performance Receiver Acquisition Times Warm Cold AutoLocate Update Rate Position Accuracy Velocity Dynamics Sounder Power Frequency Power Source Usage Fuse 4 63 H x 6 0 W x 2 75 D 11 7cm x 15 2cm x 7cm 1 lb 6 oz 763 kg 4 2 diagonal 10 7cm high contrast 4 level gray LCD with backlighting 240 x 240 pixels Fully gasketed high impact plastic alloy waterproof to IEC 529 IPX 7 5 F to 158 F 15 C to 70 C Ditferential ready 12 parallel channel receiver tracks all satellites in view Approx 15 seconds Approx 45 seconds Approx 5 minutes l second continuous 15 meters 49 feet RMS 1 5 meters 3 15 feet RMS with opt
37. ult GPSMAP 168 Sounder chartplotting receiver amp depth finder GP e 168 Sounder owner s manual and reference guide 2000 GARMIN Corporation Software Version 2 50 or above Internal Database Version 2 00 GARMIN International Inc 1200 East 151 Street Olathe KS 66062 U S A Tel 913 397 8200 or 800 800 1020 Fax 913 397 8282 GARMIN Europe Ltd Unit 5 The Quadrangle Abbey Park Industrial Estate Romsey SO51 9AQ U K Tel 44 1794 519944 Fax 44 1794 519222 GARMIN Corporation No 68 Jangshu 2 Road Shijr Taipei County Taiwan Tel 886 2 2642 9199 Fax 886 2 2642 9099 All rights reserved Except as expressly provided herein no part of this manual may be reproduced copied transmitted disseminated downloaded or stored in any storage medium for any purpose without prior written consent of GARMIN Corporation GARMIN Corporation hereby grants permis sion to download a single copy of this manual onto a hard drive or other electronic storage medium to be viewed for personal use provided that such electronic or printed copy of this manual or revision must contain the complete text of this copyright notice and provided further that any unauthorized commercial distribution of this manual is strictly prohibited Information in this manual is subject to change without notice GARMIN Corporation reserves the right to change or improve its products and to make changes in the content without obligation to notif
38. 4 066 uracy f i Text entry for simulator position Initialize Position TOUR4 om FO ag Point to your approximate location and press ENTER For future practice you may skip steps 3 and 4 and point to a location from the Initialize Position page Getting Started Let s give it a try by activating the practice route stored in memory for navigation 1 Press NAV MOB The options list will appear If we were selecting a single waypoint to navigate Simulated Tour to rather than a route we could highlight the waypoint on the map press NAV MOB and then press ENTER MARK 0 0 mron p ie 2 Use the ARROW KEYPAD to highlight the Follow Route option Press ENTER MARK to confirm i Select Route GPSMAP TOUR 3 The Select Route page will appear with the GPSMAP TOUR route highlighted 4 Press ENTER MARK then highlight Activate and press ENTER MARK again To get a better view of what s going on zoom in to a closer map scale D invert and Activate i P 1 Repeatedly press the IN key until you select the 3 nm scale Note You may also hold the IN or OUT keys down to quickly scroll through the map scales The Map Page should now display five waypoints chained together in a simple route with your boat at the first route waypoint You can also Invert a route to follow taeae A data field at the top of the page will now display the speed dis
39. 7 5 to W142 5 10 E037 5 to E052 5 3 W142 9 to W127 5 9 E052 5 to E00 3 4 R W127 5 to W112 5 8 E067 5 to E082 5 5 W112 5 to W097 5 E082 5 to E097 5 6 A simple way to determine your local time offset is how W097 5 to W082 5 6 E097 5 to El12 5 1 many hours you are behind or ahead of UTC also called W082 5 to W067 5 5 ELLS to ELT 8 Greenwich or zulw time i i Example EST Eastern Standard Time is 5 hours behind W067 5 to W052 5 A E2 ato E423 9 UIC so your offset would be 5 Adding one hour for W052 5 to W037 5 ze F142 5 to F157 5 10 daylight savings would make EDT Eastern Daylight Time 4 Subtract an hour for each time zone as you travel west W037 5 to W022 5 2 E15 5 to EL72 5 l W022 5 to W007 5 E172 5 to E180 0 12 Offsets for Continental U S would be EST 5 EDT 4 W007 5 to E007 5 0 CSE 6 CDT 5 MST MDT 6 PST 6 PDT 82 The GPSMAP 168 Sounder uses an on screen pop up message system to alert you to unit operating characteristics Press the ENTER key to acknowledge and return to the page you were viewing Alarm Clock The alarm clock has sounded Alarm Voltage Set Too High Set to 16 0V Voltage range must be between 10 0 and 16 0 volts Adjust setting Alarm Voltage Set Too Low Set to 10 0V Voltage range must be between 10 0 and 16 0 volts Adjust setting Anchor Drag Alarm You have drifted out of the
40. Alarm ssnvnsinteracdaswertemraepaens a Options Selecting ocenaaceascaszectseneaeceanercons 2 D TIN E er E er l DVT ZOO e E a exsenneqaeaes 26 P Packing AG psec as scccesnev ste E vi Fe Cy E AE E ene l Pages Talesen s E 68 Plan 6 cee ne ee ee ere 63 Portable CaSe scat tieccatnateschetoicedent cane 98 99 Position Format sixeds ncendsindaieacugamienionnias 70 eh OC en eee ere E 19 Paver eea eee nn ene 4 6 Power Backlight Contrast Key 4 l E 6 EEEN EE EE re ot ii Proximity Waypoints eeeieeeeee 50 52 Q DLTI y ae E nny ee ae l R Recevet aen a 21 22 Registration ii Remember Settings adecertsauanaetaceemecaaves 39 Restore Garmin Setup cece 69 Rone LAG E E en E aoe cane 59 Route Review Page ccccecseeeeseeeeeees 60 PO UNC S A E A nee 57 Routes Activating 0 eee 12 59 Routes COpying catceaxmaraercienatunedaraitencs 59 Routes Creating sseiiieeeiieee 57 58 Routes Deactivating 0 0 0 eeeeeeeeeees 59 Routes Deleting 0 0 0 0 59 63 Routes Editing ane eee ee oe 61 63 Routes Insert Add Turns amp Points 61 62 Routes banca Nlal canner eee tree ner 63 Routes Namning esris 60 Routes Plan ROUG cs ncaewsenctrereecte 63 Routes Removing Points 61 62 Routes Reviewing Points 0 60 61 S Satellite SHY VIEW sezccxcacynespceseacessnetenes 5 20 STON o e EE A TEE E TE 38 Serial Data FOA esascs 72 Seral ae esana iv Shallow Wate
41. Bearing Line Color Mode Accuracy Circle Trin Detail Normal Time Orientation North Up To change a map setup feature Pages Autozoom Off Hap ee 1 From the Map Page menu highlight Configure Map and press ENTER MARK DYSM C2 gt W 308 2 Move LEFT or RIGHT on the ARROW KEYPAD to highlight the desired tab then UP or DOWN on g the ARROW KEYPAD to highlight to the setting you want to change and press ENTER MARK Alarm 7 SS 4 Celes KFL 3 Move UP or DOWN on the ARROW KEYPAD to highlight to the desired setting and press Tide amp ie ENTER MARK _ 4 To exit press QUIT Main Menu Map Configuration Tab 29 Reference Map Page Options General Tab Source Tab Points Tab Line Tab Geo Tab 30 Titel Source Points Line Geo T Detail Normal Orientation North Up AutoZoom Off General ETT Points Line Geo T Basemap On MapSource On General Source JIN Line Geo T Text Zoom Medium AUTO Medium AUTO Medium AUTO Waypoints Active Route Marine Navaids General Source Points MYA Geo T Text Zoom Saved Tracks AUTO Track Log AUTO Active Route AUTO Lat Lon Grid Medium OFF General Source Points Line I T Text Zoom Geo Points Medium AUTO Rivers Lakes Medium AUTO Pork Areas Medium AUTO General Tab Detail Most More Normal Less Least controls how much map detail you will see This setting only applies to any map feature set to
42. Celes tab press MENU then use the ARROW KEYPAD to highlight Select a Position and press ENTER MARK 2 Select from Use Current Position Choose Position From Map or Choose Waypoint and press ENTER MARK 3 For Choose Position From Map use the ARROW KEYPAD and IN and OUT zoom keys to select a position on the map and press ENTER MARK 4 For Choose Waypoint use the ARROW KEYPAD to select a waypoint trom the By Name or Nearest tab lists and press ENTER MARK The location the unit is using will appear in the Date Time Position field The timetables displayed will be based upon your current time zone When using a position from another location outside of your time zone you will need to set the Time Zone for that location under the Time tab on the Main Menu see page 68 To change the time or date 1 From the Celes tab use the ARROW KEYPAD to highlight the date or time and press ENTER MARK 2 Enter a new date or time and press ENTER MARK To use the current date and time 1 From the Celes tab press MENU then use the ARROW KEYPAD to highlight Use Current Date and Time and press ENTER MARK Date Data Fields Reference Main Menu Celes Celestial Tab Waypt Date Time Position 13 FEB OON 08 33 Trip Current Position Position Time 7 Sag amp me S ar sunset _ Phase stm
43. ESTA Saved Route Track Active Track Memory Used Trip Time Pages Map Sonar Systm Units Comm Save Clear_ i Alarm Celes Record Hode Wrap Interval Value Resolution 82 Active Track Tab Waypt Active ETIT Route Track Trip Time Pages Map Sonar Systm Units Comm _ 16 FEB 00 9 Available 1 Used Saved Track Tab e Sonar sets up Sonar Page features speeds and calibrations See pages 38 40 e Systm defines beeper and simulator restores setup and displays software version e Units defines position format datum heading and distance and speed units e Comm interface settings for use with a PC or second device e Alarm sets up alarms for anchor drag arrival off course and clock e Celes Celestial page shows sun moon time cycles and positions Tide Tide page show 12 hour tide chart with levels and times Track Tab lets you specify whether or not to record a track log an electronic breadcrumb trail recording of your path define how it is recorded or save track log data for future use The Track Tab also provides an indicator of the memory used for the active track log and options to clear the track memory or start a TracBack route See pages 54 55 for TracBack information The Track submenu is divided in two tabs the Active tab and the Saved tab The Active tab
44. Getting Started Reviewing Creating Map Waypoints POINTER SPEED DIST TO NEST 0 0 1 2 TOUR4 7 65 H 35 04 371 H076 24 743 RT i S S a A _jeoRE Banks i The waypoint will highlight when the cursor is moved over it New Map Waypoint 001 N 35 02 151 Depth W076 26 084 Waypoint numbering will start with 001 and continually count up even if the waypoint name has been deleted 13 Getting Started Sonar Page Adjustment Data Fields Bar gee 30 3 10 0 30 40 o Auto Range gt Zoom Gain Line Fish Arch L Bottom Whiteline Thermocline Sonar Page Current 29 6 0 0 50 4 4 Auto Range gt Zoom Gain Setting Ne The Sonar Page lets you use the GPSMAP 168 Sounder as a fishfinder The top of the screen contains any of 27 selectable data field options while the middle of the page contains a right to left moving sonar image of the water beneath your boat Note Items appear on the screen as they pass under your transducer Those objects appearing on the right side of the screen are closer to you than those on the left Fish are displayed as a darkened arch or a fish icon in three different sizes Thermoclines layers of water separating warmer water above from cooler water below are shown as shades of gray The area of strongest sonar return or whiteline is displ
45. R key To turn on and adjust the backlighting 1 Press POWER to activate the Light and Contrast window 2 Press POWER again and the user defined level of backlighting will activate You may adjust this level by pressing UP or DOWN on the ARROW KEYPAD If you press POWER one more time the backlighting will be at the maximum setting 3 Press ENTER MARK or QUIT when done The backlight will now cycle through off the user defined and maximum backlight levels by repeatedly pressing the POWER key The GPSMAP 168 Sounders Status Page provides a visual reference of satellite acquisition receiver status date time and position coordinates Each page of the GPSMAP 168 Sounders system also features an options page which gives you access to other functions and features that relate to the specific page you are viewing To get a feel for how the options pages work lets put the GPSMAP 168 Sounder into simulator mode To place the GPSMAP 168 Sounder in simulator mode 1 From the Status Page press the MENU key The options page will appear displaying a menu of options and functions for the Status Page 2 Use the UP or DOWN arrow of the ARROW KEYPAD to highlight the Start Simulator option and press ENTER MARK 3 Press the ENTER MARK key to confirm the Running Simulator message that appears at the bottom of the display Once the simulator has been started the status field at the top of the page will display a Simulating Na
46. RANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE STATUTORY OR OTHERWISE THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS WHICH MAY VARY FROM STATE TO STATE IN NO EVENT SHALL GARMIN BE LIABLE FOR ANY INCIDENTAL SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES WHETHER RESULTING FROM THE USE MISUSE OR INABILITY TO USE THIS PRODUCT OR FROM DEFECTS IN THE PRODUCT SOME STATES DO NOT ALLOW THE EXCLUSION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE ABOVE LIMITATIONS MAY NOT APPLY TO YOU To obtain warranty service contact your GARMIN dealer or call the GARMIN Customer Service department 913 397 8200 for a returned merchandise tracking number The unit should be securely packaged with the tracking number clearly marked on the outside of the package and sent freight prepaid and insured to a GARMIN warranty service station A copy of the original sales receipt is required as the proof of purchase for warranty repairs GARMIN retains the exclusive right to repair or replace the unit or software or offer a full refund of the purchase price at its sole discretion SUCH REMEDY SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY Designed for detailed electronic charting capability the GARMIN GPSMAP 168 Sounder is a Introduction powertul navigation device that can give you the navigation information you need Precision Performance Capabilities High contrast four level gray LCD screen with backlighting 12 channel parallel
47. Range Zoom Gain View 4 Depth Line gt Depth Line OR Adjustment Off Selected 35 36 Reference Sonar Page Options 25 5L 0 0 30 4 Show om Line Show Flasher Resize Split Configure Sonar Setup Page Layout Change Data Fields menu for Main Menu FEH Sonar Page Options Menu WATER TEMP 42 3 10 0 90 4 Depth 23 5 N 989 0 2 292 wo7e 19 178 AN A n A Use a ARROW KEYPAD to point to an underwater target Sonar Page Options The GPSMAP 168 Sounders Sonar Page features a menu page that provides access to additional functions and to layout and data field options To display the Sonar Page options 1 Press MENU To select a menu option 1 Use the ARROW KEYPAD to highlight the desired option and press ENTER MARK The following options are available Show Hide Pointer allows you to reference sonar items and mark underwater waypoints This makes it easier to find and use an object such as a stump for a future fishing location When using this feature the Sonar Page will pause The pointer will not move off the paused display and cannot show an area that has scrolled off the screen The depth will continue to update while the display is paused but the unit will not show any new sonar data until the standard Sonar Page is resumed You may see a dicontinuity from where the sonar information stops to where it starts again To mark an underwater waypoi
48. TANCE LOCATION OR TOPOGRAPHY Introduction Warranty and Serial Number Serial Number Use this area to record the serial number 8 digit number located on the bottom of the unit in case it is lost stolen or needs service Be sure to keep your original sales receipt in a safe place or attach a photocopy inside the manual Serial Number EAA h The GARMIN GPSMAP 168 Sounder has no user service able parts Should you ever encounter a problem with your unit please contact your GARMIN dealer or GARMIN Customer Service department 913 397 8200 for repairs The GPSMAP 168 Sounder is fastened shut with screws Any attempt to open the case to change or modify the unit in any way will void your warranty and may result in permanent damage to the equipment IV LIMITED WARRANTY GARMIN Corporation warrants this product to be free from defects in materials and manufacture for one year from the date of purchase GARMIN will at its sole option repair or replace any components that fail in normal use Such repairs or replacement will be made at no charge to the customer for parts or labor The customer is however responsible for any transportation costs This warranty does not cover failures due to abuse misuse accident or unauthorized alteration or repairs THE WARRANTIES AND REMEDIES CONTAINED HEREIN ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED OR STATUTORY INCLUDING ANY LIABILITY ARISING UNDER ANY WAR
49. TER MARK Resize Map Configure Map The available options are Full Screen Map On Full Screen Map Off Measure Distance Show Sonar ad rh Show Flasher Hide Flasher Resize Map Configure Map Setup Page Layout and Change Data Fields gye EE for Main Menu Following are details on using each of these options sae P Full Screen Map On Full Screen Map Off toggles between a Map Page without or with data V T fields on the map display Peur To maximize the map show data fields 1 Highlight the Full Screen Map On option and press ENTER MARK The Map Page will now be maximized with no data fields 2 To show the data fields again press MENU highlight Full Screen Map Off and press ENTER MARK 97 Distance Bearing 28 Reference Map Page Options Map Pointer m H 25 45 066 40380 06 702 YELL N DUCK LAKE k P as mapsource seamen Full Screen Map Shown SPEED DIST TO NERT POINTER k n m EN es pN 0 3 9 10 a as 10 20 30 a p jus b Map Page with Sonar information shown mapsource O Fi s i oJ z ic es ll 3 a G oe aa yr REF Map Cursor Measure Distance allows you to measure the bearing and distance between any two points on the map display To measure the BRG DIS between two points 1 Highlight the Measure Distance option and press ENTER MARK An on screen pointer will a
50. US Mexico Naparima BWI Trinidad and Tobago Nahrwn Masirah Island Oman Nahrwn Saudi Arabia Nahrwn United Arab Emirates Observatorio 1966 Corvo and Flores Islands Azores Old Egyptian Egypt Old Hawaiian Mean Value Oman Oman Old Survey Grt Britn England Isle of Man Scotland Shetland Isl Wales Canary Islands Potsdam Germany Prov So Amricn 56 Bolivia Chile Colombia Ecuador Guyana Peru Venezuela So Chilean 63 S Chile Pitcairn Astro 67 Pitcairn Puerto Rico amp Virgin Isl Qatar National Qatar Qornoq Reunion Rome 1940 RT 90 Santo Dos Sao Braz Sapper Hill 43 Schwarzeck SE Base South Asia Sth Amrcn 69 SW Base Timbalai 1948 Tokyo User Tristan Ast 68 Viti Levu 1916 Wake Eniwetok WGS 72 WGS 84 Zanderij Qornog South Greenland Reunion Mascarene Island Rome 1940 Sardinia Isl Sweden Santo Dos Espirito Santo Sao Braz Sao Miguel Santa Maria Islands Sapper Hill 1943 East Falkland Island Schwarzeck Namibia Southeast Base Porto Santo and Madiera Islands South Asia Singapore S American 69 Argentina Bolivia Brazil Chile Colombia Ecuador Guyana Paraguay Peru Venezuela Trin Tobago Southwest Base Faial Graciosa Pico Sao Jorge and Terceira Islands Timbalai 1948 Brunei and E Malaysia Sarawak and Sabah Tokyo Japan Korea Okinawa User defined custom datum Tristan Astro 1968 Tristan da Cunha
51. Waypoint Edit Page is available for any stored waypoint by highlighting the desired waypoint from the map display or selecting it from the waypoint lists under the Waypt tab in the Main Menu and pressing the ENTER MARK key once To access the Waypoint Edit Page 1 Use the ARROW KEYPAD to highlight the desired waypoint on the map display You may also press MENU twice highlight the Waypt tab and then highlight a waypoint from the By Name Nearest or Proximity waypoint lists 2 Press ENTER MARK to display the Waypoint Edit Page Reference From the Waypoint Edit Page you may change the name symbol position coordinates or depth for the selected waypoint Once the changes have been made highlight OK and press ENTER MARK to save them Editing Waypoints To change the waypoint name 1 Highlight the waypoint name field and press ENTER MARK 2 Use the ARROW KEYPAD to enter a new name and press ENTER MARK when done To change the waypoint symbol 1 Highlight the waypoint symbol field to the left of the waypoint name and press ENTER MARK 2 Use the ARROW KEYPAD to select the desired symbol and press ENTER MARK when done To change the position coordinates pe Waypoint Edit 1 Highlight the position coordinate field and press ENTER MARK N 38 51 333 Perth W094 47 941 0 0 2 Use the ARROW KEYPAD to edit the coordinates To drop to the next line press to the right Mop Poi
52. a p H units 05 52 is m Skyview Hari N Window C Moonset _ Moon Position 01 27 ava N D Sun Position Horizon 0 45 70 Overhead 90 Waypt Date Time Position 13 FEB 00 rack Trip Current Position Time 08 33 Cunrien Ya nd Time Pac Mal i Track Cor Alarm 1 2 05 Celes Uir Tide Hoonset 01 s meno for Main Menu Choose Position From Map Choose Waypoint Select a Position Sub Menu Options You may also change the skyview from North Up to Track Up 11 Reference Main Menu Tide Tab Pans For Vero Beach Track on O7 FEB 00 Trip e Date e Map Sonar Systm Units Comm Alarm Celes 0 2 Event STA CEE S i 4 E 2134 0 38 12 43h 0 84 Times 06 524 0 2 07 15 0 14 ME e 3 1 f 0 4 Tide Tab Track on Vero Beach os Vero Beach ocean Pages Oslo Map St Lucie Sonar Wabasso ystm Units Fort Pierce Comm Fort Pierce Inlet Alarm Fort Pierce Inlet south os Sebastian njoelect From Hap 09 345 24 d3 2 You can select from a list of nearest 78 stations or from the map Station Name Tide Chart Tide Tab shows a graphical chart which displays tide station information in a 24 hour span starting at midnight station time You can choose from different dates and over 3000 tide s
53. and background information If Fish Symbols are set to Off the unit will display all of the available information about the underwater environment If a fish symbol is selected the chart will display only the information related to that symbol Off Fish Symbols Off All available information will be displayed Suspended targets will display as fish symbols Background information will be displayed u Whiteline controls how the unit displays information about the bottom type hard or soft With the Whiteline Off the bottom return will display as black and contain no information on Ieri oat u F CO ie cedhovatiet arget depth attached bottom hardness With Whiteline On the bottom return will become grayscaled and can be mm used to determine bottom hardness See page 34 for more detail on this feature ae apa n gmo No Scroll Speed adjusts the speed that the chart scrolls from right to left If you are sitting background information will be displayed still or the chart is moving too fast slowing the scroll rate can be beneficial Options are Fast ax Same as above with taget depth attached Mey o1ow OF aes If you are using the GPSMAP 168 Sounder on the portable case battery power slowing the scroll rate will help to conserve your battery Scale controls the depth Scale displayed vertically along the right side of the chart The Reference depth Scale can be configured t
54. ate the use of authorized government charts not replace them Only official government charts and notices to mariners contain all information needed for safe navigation and as always the user is responsible for their prudent use Use the GPSMAP 168 Sounder at your own risk To reduce the risk of unsafe operation carefully review and understand all aspects of this Owners Manual and thoroughly practice operation using the simulator mode prior to actual use When in actual use carefully compare indications from the GPSMAP 168 Sounder to all available navigation sources including the information from other NAVAIDs visual sightings charts etc For safety always resolve any discrepancies before continuing navigation The GPSMAP 168 Sounder should not be used as a navigational aid or depth sounder to prevent collision grounding boat damage or personal injury The digital depth displayed is the depth under the transducer and not necessarily the front of the boat By the time a depth is displayed most of your boat may have already passed over that area We recommend that you operate the boat at a very slow speed if you suspect shallow water or submerged objects NOTE This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications There is no guarantee that interference will not occur in a particular installation I
55. awa Merchich Midway Ast 61 Minna NAD27 Alaska NAD27 Bahamas NAD27 Canada NAD27 Canal Zn NAD27 Caribbn 86 Map Datums Kandawala Sri Lanka Kerguelen Island West Malaysia Singapore Cayman Brac Island Liberia 1964 Liberia Luzon Mindanao Island Luzon Philippines excluding Mindanao Isl Mahe 1971 Mahe Island Marco Astro Salvage Isl Massawa Eritrea Ethiopia Merchich Morocco Midway Astro 61 Midway Minna Nigeria North American 1927 Alaska North American 1927 Bahamas excluding San Salvador Island North American 1927 Canada and Newfoundland North Am 1927 Canal Zone North American 1927 Caribbean Barbados Caicos Islands Cuba Dom Rep Grd Cayman Jamaica Leeward and Turks Islands NAD27 Central NAD27 CONUS NAD27 Cuba NAD27 Grnland NAD27 Mexico NAD27 San Sal NAD83 Naparima BWI Nhrwn Masirah Nhrwn Saudi A Nhrwn United A Obsrvtorio 66 Old Egyptian Old Hawaiian Oman Ord Srvy GB Pico De Las Nv Potsdam Prov S Am 56 Prov S Chln 63 Ptcairn Ast 67 Puerto Rico Qatar National North American 1927 Central America Belize Costa Rica El Salvador Guatemala Honduras Nicaragua North Am 1927 Mean Value CONUS North American 1927 Cuba North American 1927 Greenland Hayes Peninsula N American 1927 Mexico North American 1927 San Salvador Island North American 1983 Alaska Canada Central America CON
56. ayed as solid gray Typically the bottom will be the primary source of the whiteline A thin whiteline indicates a softer bottom while a thick whiteline shows a harder bottom A black line is used to show the point where water meets the whiteline This black line will follow the bottom contour along with any significant objects lying on the bottom Along the right side of the screen is an adjustable scale which reflects the depth of the area being displayed If the unit does not detect a transducer attached to the unit a Sonar Turned Off message will appear across the top of the Sonar Page More on the Sonar Page may be found on pages 34 40 The GPSMAP 168 Sounder uses two range modes auto and manual Auto mode displays the most information possible while continuously showing the bottom Manual mode lets you select the displayed depth These and other Sonar Page functions are controlled from the adjustment bar To switch from auto to manual mode 1 With the Range field highlighted press the ARROW KEYPAD UP or DOWN until the desired depth range is displayed on the adjustment bar or shows on the depth scale in the lower right side of the page 2 Press ENTER MARK or press LEFT or RIGHT on the ARROW KEYPAD to confirm the selected range To switch from manual to auto mode 1 With the Range field highlighted press the ARROW KEYPAD UP or DOWN until the selection arrow points to Auto or Auto is displayed on the adjust
57. cano 75 PUTA A A AT serer oeni 75 ARROW KEYPAD suacsasnuahinedeaneuocavectlaruacs l B BACH DNE cossirec retann 6 7 Battery Ala ee 75 Bearin TNS ae SMasace tosses 31 Bearing Distance Measuring 00 28 DE arene ee E 69 C Capabilities ae on ee nee a eee Vv EO a I E T iii Celestial TAD ironiemo ennari nis T7 ock A aeee nee eee 75 Compass Page cceeeeeeeesteeeeeee 16 41 Compass Page Options ceeeeeeee 41 Contrast Setting 0 0 eeeeeeeeeeeeeeeereeees 6 Cursor Movement D Vata FOU seenen Data Fields Changing 0 05 32 33 Data Transfer ericeira etei 72 Pay AS ee S 20 68 Datumi MaD i eareaiiattnneandidewesendces 70 85 86 Daylight Savings Time 0eeee 68 Deep Water Alarm x ccscrcserncyieteeotseentecns 75 Depth Line a se 14 34 35 37 DopE S cales 14 34 39 Dep UNIS eeren ae EEr 71 DGPS Interlace Settings niaii 73 74 DGPS SUAS ereer 20 22 74 Dilution Of Precision DOP 0000 21 Distance Speed and Altitude fal E ENTER MARK Key n i 1 44 F AOI Se e r ENET 69 Fish Alarm ccccsecsccevevseeeeeeseceeeennes ie Pish Sy DO ener eee eee ane 38 Flasher cccccccccceceeeeeeeees 14 28 34 37 Follow Mack contew see snes sce iieiea 54 Follow Route ccccccsecceseeesseeeees 12 59 Appendix l Ta O ee E 63 Fall Seren Map nersipseisne 27 G Feehan OA A T T 34 35 GO To Waypoint suciiiseniiiiiserrssiisisss 52 53 Go
58. cription of that point and its distance and bearing from your current position oo ms pass iii To create a new waypoint graphically ne 1 Use the ARROW KEYPAD to move the cursor to the desired map position If you want to create the mn is Map waypoint from non map item new waypoint from an on screen map item highlight the map item on the map display p wiaypoine yr P 2 Press the ENTER MARK key If you are not using a map item to create a waypoint go to step 4 3 Highlight Create Waypoint or OK and press the ENTER MARK key Navaid 4 To accept the waypoint with the default name and symbol press ENTER MARK If you are creating Red Nun a waypoint from an on screen map item the name and symbol will automatically reflect the selected map item s name and symbol Unlit Navaid Red 5 To change the name symbol or depth highlight the appropriate field and press ENTER MARK Make your changes and press ENTER MARK when cone 6 After entering and confirming your changes move the field highlight back to the OK prompt and press ENTER MARK a E You may also create an underwater waypoint graphically from the Sonar Page See Choose Create Waypoint to use a page 36 for instructions map item for a new waypoint 45 Submenu Tabs Reference Creating and Editing Waypoints Waypt By Hame Nearest Proximity Route Trip 001 Hep Delete Waypoint onar Delete by Symbol Systm Delete All
59. d symbol press ENTER MARK to confirm the highlighted OK prompt 3 To enter a different name highlight the name field and press the ENTER MARK key then use the ARROW KEYPAD to enter the new letter numbers and press ENTER MARK when done Note You may use up to 10 alphanumeric characters for the name 4 To enter a different symbol highlight the symbol field to the left of the name and press the Highlight waned d and press ENTER ENTER MARK key then use the ARROW KEYPAD to highlight the new symbol and press MARK to enter a new symbol name ENTER MARK 44 or depth 5 To enter an optional depth highlight the Depth field to the right of the position coordinates Reference and press the ENTER MARK key then use the ARROW KEYPAD to enter a value and press ENTER MARK 6 When done use the ARROW KEYPAD to highlight the OK prompt and press ENTER MARK to save the waypoint into memory Creating Waypoints z New Map Waypoint Creating Waypoints Graphically 001 a Cs a Depth Waypoints may also be quickly created from the map display which allows you to point and shoot HEEFT ee at any map position to create a new waypoint To mark a map item select the desired map item with i the cursor The GPSMAP 168 Sounder will use the map item text shown on the cartography as the default name When selecting a map item the option Create Waypoint will appear in addition to a ot a des
60. de Feet ft To setup Loran TD from the Status Page Lat Suo ike 1 Press MENU then use the ARROW KEYPAD highlight the Loran TD On and press ENTER MARK 2 To change the settings of any of the five fields highlight the field press ENTER MARK select enter 3D Navigation the desired setting and press ENTER MARK courao 3 When done press the QUIT key to return to the Status Page Loran are If the active GRI Chain secondary stations or offsets have been changed since the waypoint was N GRI_8970 created the waypoint will now reference the active GRI chain and secondary stations and adjust the r E y p offset 1 pt TD coordinates accordingly Remember that the GPS is not relying on the Loran signal for navigation 4 igeri and actually converts the TD coordinate to a useful LAT LON coordinate in the background before g GRI_9930 storing the waypoint to memory or using it for navigation Because of this the unit can navigate to a TE al TD coordinate anywhere in the world Selecting the Loran Chain Number 81 Appendix B The chart below gives an approximate UTC Universal Time Coordinate time offset for the various longitudinal zones Check with local charts for more detailed information If you are in daylight savings time add one hour to the offset Time Offsets Longitudinal Zone Offset Longitudinal Zone Offset W180 0 to W172 5 12 E007 5 to EQ22 5 W172 5 to W157 5 11 E0229 to E037 2 W15
61. de bar If the sonar performance is signiticantly degraded another location will need to be tested Installing the Transducer 1 Lightly sand the surface of the hull and face of the transducer with 400 grit wet or dry sandpaper 2 Build a dam using strip caulk about 1 4 tall Pour about 1 8 of two part slow cure epoxy in the dam Place the transducer in the epoxy turning the transducer to work out any air bubbles Installing the Transducer 3 Weight the transducer in place and allow to cure for 24 hours 95 Strip Caulk or RIV Sealer Dam Appendix G Trolling Motor Installation Included in the 010 10200 00 transducer kit you should have Mounting the Transducer 1 Worm Gear Clamp 2 Cable Ties 3 Transducer Mounting the Transducer aie 1 Loosen the Worm Gear Clamp until the end of the band is clear of the worm gear aple Les 2 Slide the clamp band through the slots on the transducer 3 Place the free end of the clamp band into the worm gear and tighten until the band is through the worm gear Wormi 4 Place the clamp and transducer over the body of the trolling motor Finish tightening the clamp to secure the transducer to the trolling motor 5 Secure the transducer cable to the trolling motor shaft using the supplied cable ties Clamp Band If you are experiencing interference while the trolling motor is operating try installing the transducer cable at right angles to the trolling motor power cables N
62. directions to ensure the best reception Avoid mounting the antenna where it will be shaded by the boats superstructure a radome antenna or mast The GPS antenna should be mounted about 2 5 3 feet away from the radar dome Sailboat users should avoid mounting the antenna high on the mast to prevent inaccurate speed readings caused by excessive heeling Most marine VHF and LORAN antennas should not seriously degrade the GPS antenna reception Never paint the antenna or clean it with harsh solvents The GARMIN antenna screws directly onto any standard 1 x 14 thread antenna mount If you need to raise the antenna to avoid shading try using a 1 x 14 thread extension mast available at most marine dealers To install the GPS antenna 1 Screw the antenna directly onto the 1 x 14 thread mount 2 Route the cable to the mounting location of the display unit Use the appropriate tie wraps fasteners and sealant to secure the cable along the route and through any bulkhead or deck 3 Once the GPSMAP 168 Sounder unit has been installed connect the cable to the antenna connector on the back of the display unit Make sure that you turn the antenna cable connector 1 4 turn clockwise to lock the cable into place Mounting the GPSMAP 168 Sounder Unit Appendix G The GPSMAP 168 Sounders compact waterproof case is suitable for mounting in exposed loca tions or at the nav station The unit comes with a gimbal bracket for surface or overhead mount
63. e The Save feature allows you to store a track log from certain times and dates To save a track log 1 From the Main Menu use the ARROW KEYPAD to highlight the Track tab then highlight the Active tab to the right 2 Use the ARROW KEYPAD to select the Save option and press ENTER MARK 3 From the Save Back Through window highlight the desired time date or Entire Log and press ENTER MARK 4 Next the track will begin saving and then display the Saved Track window when done The default name distance and number of points will be displayed Highlight OK and press ENTER MARK to save the track To activate a TracBack using the NAV MOB key Reference 1 Press the NAV MOB key then highlight the Follow Track option and press ENTER MARK 2 Highlight the track you wish to follow and press ENTER MARK TracBack Navigation 3 Choose either Original which will navigate you from the end to the start of your trip or Reverse Default Total which will navigate you trom the start to the end of your trip and press ENTER MARK Track N RPE Active Saved number name Trac 1R FFR NN of points Once a TracBack has been activated the GPSMAP 168 Sounder will take the track log currently Te Saved Track stored in memory and ae into segments an legs Up to 30 a turns ji be o 16 FEB 00 o to mark the most significant features of the track log in order to duplicate you
64. e MOB Man OverBoard feature This marks the point at which the MOB was activated as a waypoint named MOB and also establishes it as an active Go To point Highlighting an on screen waypoint or map item as a destination directly from the Map Page and pressing NAV MOB allows you to graphically select points to Go To For our simulated trip you re going to select a pre programmed tour route using the first method This will also show how the MENU key is used throughout the GPSMAP 168 Sounder system to provide tab style options and functions Let s start by changing the position to where the practice route is located To change the GPSMAP 168 Sounder position in simulator mode 1 From the Status Page press the MENU key A pop up window will appear displaying a list of options and functions for the Status Page 2 Press UP or DOWN on the ARROW KEYPAD to highlight the Initialize Position option and press ENTER MARK 3 From the Initialize Position Page press the MENU key You will see Enter As Text highlighted then press ENTER MARK 4 On the Enter Position window press ENTER MARK then use the ARROW KEYPAD to enter N34 56 800 W076 24 066 and press ENTER MARK when done Getting Started Using the NAV MOB Key Simulating Navigation H Acc i gi0 20 Y o E DGPS Revr i E Enter Position aa l N 34 56 800 15 1 W076 24 06 126 N 3456 800 40 76 2
65. e Route Page press MENU 2 Using the ARROW KEYPAD highlight Invert and press ENTER MARK Plan Route The Route Review and Active Route Pages also display trip planning information for each leg or the entire route Available information includes Course ETA Fuel to point Leg Distance Leg Fuel Leg Time Sunrise and Sunset at point location and Time To point To use the Plan Route feature 1 To select the desired planning figure highlight the desired route from the Route List and press ENTER MARK to display the Route Review Page If you have an active route you may also do the same from the Active Route Page 2 One of nine available planning figures appears to the right of each route waypoint and its distance Use the LEFT RIGHT keys on the ARROW KEYPAD to select the desired item 3 To enter planning information Press MENU and select Plan Route from the options list Enter the figures for Speed Fuel Flow Depart ure Time and Depart ure Date Press QUIT to return to the Plan Route Page A Fuel flow rates on your unit are measured in units per hour System setting changes for units of measure statute nautical or metric do not affect the fuel flow measure You should enter fuel flow rates based upon available information for your vehicle operator s manual performance specifications etc and make note of the desired units of measure gallons liters etc Delete Route deletes route and any map it
66. e map which is not d waypoint or map item Waypt Active Saved Route Track cathe Track Hemery Used Trip Time Record Mode Pages Wrap MaP Interval Value Sonar m aa systm Resolution 82 Units Comm MEET Clear Alarm Celes Tide _ Highlight Save and press ENTER MARK to save an active track log TracBack Navigation Follow Track The second method of navigating to a destination is by using the TracBack feature The TracBack function allows you to retrace your path using the track log automatically stored in the receivers memory which will eliminate the need to store waypoints along the way TracBack routes are created by reducing your track log into a route of up to 30 turns and activating an inverted route along those points Once activated a TracBack route will lead you back to the oldest stored track log point so it s a good idea to clear the existing track log at the start of your current trip before you get started To clear the track log and define a starting point for a TracBack route 1 Press the MENU key twice to display the Main Menu Page 2 Using the ARROW KEYPAD highlight the Track tab then highlight the Active tab to the right 3 Use the ARROW KEYPAD to select the Clear option and press ENTER MARK 4 Highlight the OK field and press ENTER MARK You must first save the track log before you can use the Follow Track featur
67. e mode to On Distance or Time for the Arrival alarm and press ENTER MARK 3 Highlight the next field to the right and press ENTER MARK then enter the desired settings and press ENTER MARK to finish Waypt 7 Route Anchor Drag Off 0 00 Track eT Trip Arrival Time 00 00 15 Tine Off Course Off 0 00 Map Chock 10 30 Sonar On When an alarm is activated a message will appear at the bottom of the display screen pages 83 84 In order to hear an audible alarm you must have the beeper turned on page 69 Shallow Water Off 0 0 Comm peep Water Off 0 0 Alarm Celes Fish Off go Etes Off 11 2 Setting the Clock Alarm Waypt Route Anchor Drag Off 0 00 Trip rrival Time 00 00 15 Off Course Off 0 00 Clock m 09 05 ae Shallow Water Off 0 0 Comm Deep Water Off 0 0 Alarm Celes Fish off Alarm Clock Press ENTER MARK to acknowledge 76 an alarm and clear the message Celes Celestial Tab displays celestial data for sun and moon rise set moon phase and approximate skyview location of the sun and moon The moon phase will display the current visible portion of the moon as a light color You may display this data for your current position a position from the map or a waypoint location Also you may select a different date and time or use the current data To choose a position 1 From the
68. e other than No Zoom is selected the Adjustment Bar will display a new selection labeled View See page 15 for a detailed description of the available Zoom settings Gain allows the user to control the sensitivity of the units receiver This provides some flexibility in what is seen on the display To see more detail increase the receiver sensitivity by selecting a higher gain If there is too much detail or if the screen is cluttered lowering the sensitivity may increase the clarity of the display e View available when a Zoom scale other than No Zoom is selected The View setting is used to change the viewing range of a zoomed display If the display is split only the zoomed portion on the left side of the display will be affected by the change See page 15 for available zoom settings Line used to control the setting of the Depth Line See page 37 for details on adjusting the Depth Line If the unit is unable to track the bottom for any reason the digits in the depth window will flash on and off to alert the user that the unit is not tracking the bottom Reference Sonar Page 4 Auto Range gt Zoom Gain View Line Range Adjustment Range q 4x Zoom gt Gain Yiew Line Zoom Adjustment Range Zoom 4 3 Gain gt View Line a Gain Adjustment b 3 Norma ae Range Zoom Gain 4 Fixed View gt Line om Zoom View g OR Adjustment Manual Mode Auto Mode
69. ear on the adjustment bar The View function operates in either Auto View or Fixed View Auto View will follow the bottom 47 g 0 50 g contour while Fixed View will display the selected depth Ranged 2x Split bGain View O To access the Sonar Zoom function 1 While viewing the Sonar Page press IN once The 2X split screen will appear 2 Continue to press IN to advance to further zoom screen levels on 3 To deactivate the Zoom function press OUT until the original scale No Zoom appears area shown 4 on 2X View Press ENTER MARK or press LEFT or RIGHT on the ARROW KEYPAD For more on the Zoom View and other Sonar Page functions see pages 34 40 Sonar Zoom To learn more about how sonar works see Appendix H Adjustment 15 Getting Started Compass Highway Navigation Pages Data Fields Current Destination Compass Ring Pointer Arrow Now that we re navigating to an actual destination lets move on to the GPSMAP 168 Sounder navigation pages by pressing the PAGE key The GPSMAP 168 Sounder features two different navigation pages Compass and Highway The Compass Page is first This page provides graphic steering guidance to a destination waypoint with an emphasis on the bearing to your destination and current direction of travel the Highway Page places greater emphasis on the straight line desired course and the distance and direction you are off course The middle of t
70. ece cee a 18 65 Change units of measure statute nautical metric 70 71 Change the displayed time zone 0 00000 piei tidad 68 De a OD sities te wn tay ach bape hb ak edie ame ane a 80 81 View nde MOTTAGOI searadair ie aE a seated 78 79 View celestial ntormatiom 2 2 0oscacsnena dus tesco piani gens d ew 77 A ss ne et eed wee een E meee san he ween ee ees 75 76 See curent position date ANd TIME cies aeeersnardewnrwoe ronda 8 20 MIC Wa WEIN A a he tinct e th trae ae eee Bole kee 83 The IN Key The IN key adjusts the map scale to display a smaller area with more detail Zooms in The OUT Key The OUT key adjusts the map scale to display a larger area with less detail Zooms out The PAGE Key The PAGE key selects the main pages in sequence and returns display from a submenu page The ARROW KEYPAD The ARROW KEYPAD is used to select Highlight menu options and enter data It also controls cursor movement on the Map Page The ENTER MARK Key The ENTER MARK key selects a highlighted menu option When entering data it allows you to initiate entry and then to accept the selected value s It also marks the current location as a waypoint when pressed and held for more than one second The QUIT Key The QUIT key returns the display to the previous page and when entering data it restores the previous value cancels data entry The MENU Key The MENU key displays a menu of available options for the current
71. ee page 93 yi Before installing and getting started with your unit please check to see that your package includes the following items If any parts are missing please contact your GARMIN dealer immediately Standard Package GPSMAP 168 Sounder Unit GA 29 External Antenna and 30 cable P N 010 00174 00 Internal Antenna Bail Mount P N 010 10265 00 Power Data Cable P N 010 10083 03 Owner s Manual P N 190 00170 00 Quick Reference Card P N 0190 00170 01 Protective Cover P N 147 00008 00 Not included with part numbers 010 00202 00 or 010 00202 02 with internal antenna Not included with part numbers 010 00199 00 or 010 00199 02 with external antenna Optional Accessories US A C PC Adapter P N 010 10276 00 EURO A C PC Adapter P N 010 10276 01 UK A C PC Adapter P N 010 10276 02 Cigarette Lighter Adapter P N 010 10208 00 MapSource CDs US Waterways amp Lights US Topo US Roads amp Recreation European Roads amp Recreation and WorldMap Beacon Receiver for differential corrections GBR21 E Field Antenna P N 010 00068 00 GBR23 H Field Antenna P N 010 00151 00 2nd Mounting Station P N 010 10196 01 Quick Release Flush Mounting Kit P N 010 10246 00 Marine Swivel Mount 1 RAM Mount P N 010 10256 00 Introduction cccc anaana i viii FOC WOM 14 eeanesetecenraadnede ness i Preface and Registration ii Warnings and Precautions iii Warra
72. eld to turn the Sonar 0k Off 10 11 alarm on and off Units Shallow Water Off 0 0 e Clock provides an alarm for the system clock Enter a time in the time field and turn the alarm on om say oe lt oe and off from the control field menu Remember to enter alarm times in the same time format UTC Wil a or local you re using for your system The unit must be on for the clock alarm to work S aia Off 11 2 Shallow Water sets an alarm to sound when you enter an area of specified depth that is too Aan tb shallow Enter a depth range from 0 to 999 99 in the distance field and use the control field to turn the alarm on and off Deep Water sets an alarm to sound when you enter an area of specified depth that is too deep Enter a depth range from 0 to 999 99 in the distance field and use the control field to turn the alarm on and off Fish sets an alarm to sound when the unit detects a fish Choose from 3 symbol settings Large Medium and Small Fish Large and Medium Fish Only Large Fish Only Use the control field to turn the alarm on and off e Battery sets an alarm to sound when the unit reads a specific input voltage Enter a voltage range from 10 0 vDC to 16 0 vDC and use the control field to turn the alarm and and off 1 Reference To set an alarm 1 Use the ARROW KEYPAD to highlight the field to the right of the alarm name you wish activate Main Menu and press ENTER MARK Alarm Tab 2 Change th
73. ell battery and hold it securely in place 99 Appendix H Understanding Sonar This Phish is currently in a Dead Zone and is not detected by the sonar The fish is in the coverage area of the transducer but remember the first strong return sets the bottom level The fish will eventually be detected when the first strong return sets the bottom level below the fish 100 Understanding Sonar If you are familiar with sonar and can determine what is on the chart this section may not be for you This section is intended to help the novice user gain some understanding of how the GPSMAP 168 Sounder operates and how it can help improve their fishing productivity To understand what the unit is displaying it is important to have a general knowledge of how the unit works and how it determines what to display Briefly described the unit operates by transmitting sound waves toward the bottom of a lake stream or seabed in a cone shaped pattern When a transmitted soundwave strikes an underwater object such as the bottom a piece of structure or a fish sound is reflected back to the transducer The transducer collects the reflected sound waves and sends the data to the unit to be processed and displayed on the chart The underwater data is displayed on the chart in the order that it is returned first returned first on the chart The diagram in the sidebar demonstrates this showing an underwater scene as it would be displayed on the char
74. em points within route To delete a route 1 From the Route Review Page press MENU 2 Highlight Delete Route and press ENTER MARK and ENTER MARK again to confirm the deletion Reference Editing Routes Route Review Waypoint Distance TOURS 0 0 TOUR4 9 8 TOURS 12 9 TOUR2 15 4 TOUR1 17 7 TOTALS 17 7 Press LEFT or RIGHT on the ARROW KEYPAD to change the data field Route Review TOUR1 TOURS Wovpnint Distance lt Course gt Plan Route Depart Time p M Plan Route Data Fields 63 64 Reference Active Route Page Active Route TOUR1 TOURS Waypoint Distance Course gt TOUR1 a TOUR2 23 ON TOUR3 4 8 015 TOUR4 1 9 339 TOURS 17 7 a TOTALS 17 7 350 Active Route Page Active Route TOUR1 TOURS Waypoin Edit on Map TOUR Insert Waypoint 017 PTOUR Remove Waypoint 24q TOUR Invert on TOUR Plan Route TOUR men for Main Menu Course gt TOTALS 17 7 351 Active Route Page Menu Options Active Route Page Whenever you have activated a route in the GPSMAP 168 Sounder system the Active Route Page shows each point waypoint or map item of the active route with the point name distance and choice of Course ETA Fuel to point Leg Distance Leg Fuel Leg Time Sunrise and Sunset at point location or Time To point for each point from your present position The current destination po
75. ent top of the compass ring A bearing pointer in the middle of the compass ring indicates the direction Go To of the destination bearing relative to the course over ground The compass ring and pointer arrow work independently to show at a glance the direction of your movement and the direction to your destination For instance if the arrow points up you are going directly to the waypoint If the arrow points any direction other than up turn toward the arrow until it points up then continue in that direction Compass Ring Bearing Pointer Due to Selective Availability Error the bearing pointer and or compass ring may point in various directions when you are stationary or at very low speeds Once you start moving the pointer will be correct di Huge 2 Rows Option 0 0 t The GPSMAP 168 Sounders Compass Page features a menu page that provides access to layout and data field options The data window located at the top of the page provides a user selectable layout of DIST TO MERT various types of useful data Each data field may be configured to display any one of 27 data options n The data window layout may also be changed to display additional data fields and change the actual Current m size of the data displayed Go To No ee Navigating To Miami Line To display the Compass Page options po N 4 345 1 Press MENU Compass oe bev Course To select a menu option Ribbon When using the
76. ersus the current water depth If they are the same use epoxy non silicone based to affix the transducer to the inside of the hull Appendix G Weight transducer PVC Pipe to hold it in place or a Can Thru Hull Installation The 010 10224 00 transducer is designed to be mounted inside a fiberglass hull The standard plastic transom mount transducer can also be mounted in this fashion using this method If using a temperature sensing transducer the temperature displayed will reflect the hull temperature Fill Pipe or Can Selecting a Location Strip Caulk with water or a 1 The location has to be solid fiberglass devoid of any air bubbles laminates fillers or dead air space or RTV Sealer light mineral oil The location needs to be in an area of clean water at all speeds Do not place the transducer over any strakes or behind any obstruction on the hull that would create turbulence at speed Hull Surface Many modern hulls have a prelocated pocket for thru hull transducer installation If Testing the Location you are unsure if your hull is equipped with a prelocated pocket contact your hull manufacturer Apply twisting motion Weight transducer in place to eliminate any for at least 24 hours Testing the Location trapped air bubbles Slow cure 1 Place the transducer in the water pointed directly at the bottom and set unit for optimum 5 part epoxy performance Place the transducer in the test device as show on the si
77. ervice pg iv to have the unit serviced No DGPS Position No differential correction data is available or not enough data is available to compute a DGPS position No Tide Stations For That Area There are no tide stations within 100 miles of the specified point Try another area Off Course Alarm You have exceeded the specified off course distance Processor Failed Unit Needs Repair Internal problem with the unit Contact your dealer or GARMIN Customer Service pg iv to have the unit serviced 83 Appendix C Messages Proximity Alarm List is Full You have used all ten proximity waypoints Proximity Alarm Waypoint You have entered the alarm radius for the proximity waypoint indicated Proximity Overlaps Another Proximity Waypoint The alarm radius specified overlaps the area specified for another proximity waypoint Adjust the distance Route Already Exists lt route name gt You have entered a route name that already exists in memory Modify the route name or delete the previous route name Route Does Not Exist lt route name gt Route has been renamed or removed from memory and cannot be used Route Is Full You have attempted to add more than 30 points to a route Reduce the number of points or create a second route Route Memory Is Full Can t Create Route Maximum amount of 20 routes is already in the units memory and no additional routes can be added until existing ones are removed R
78. ets you select a destination waypoint and quickly sets a direct course from your present position If you have a waypoint highlighted on a list or the map Go To lt waypoint name gt will appear in addition to Go To Waypoint The Go To function can be accessed from a list of waypoints or graphically from the map display To activate a Go To from the waypoint list Reference 1 Press the NAV MOB key 2 Use the ARROW KEYPAD to highlight Go To Waypoint and press ENTER MARK Going to a Destination 3 To select a waypoint from the waypoint lists use the ARROW KEYPAD to highlight either the By _ a Name or Nearest tab select a waypoint and press ENTER MARK nin i To select a waypoint from the map highlight either the By Name or Nearest tab and press F Select Waypoint Hearest MENU With Select From Map highlighted press ENTER MARK Use the zoom IN and OUT 001 buttons and the ARROW KEYPAD to select a waypoint then press ENTER MARK 001 BAIT Selecting a Go To Graphically FISH GARHIN A graphical Go To may be used to select one of three items from the map display an existing GRHEUR waypoint an on screen map item roads rivers cities navaids etc or a new map point non map item If you are selecting a map item as the Go To destination the GPSMAP 168 Sounder will automatically use the name of the map item but the point wil
79. ettings for all tabs e MapSource Info allows you to display not display optional map sets loaded in the unit ala To restore defaults for map settings 1 From the Map tab in the Main Menu highlight the tab you want to restore settings to and press MENU Restore Defaults 2 Highlight Restore Defaults highlight Restore All Map Defaults if you want all tabs restored and seats a6 Lard Defaults press ENTER MARK m for Main Menu MapSource Info shows the number of maps downloaded from the optional MapSource software Map Setup Menu Options package Each downloaded map is described by name and may be deselected if you wish to retain the map in memory but not display the data on the Map Page When a MapSource file is selected the boundary for any downloaded map is shown on the Map Page as a gray shaded outline 31 32 Reference Map Page Options MapSowrcelnfo Chambers County Harris County East LORAIN OH Feb 2000 Chambers County Texas Harris County East Texas Lorain Oh West Topomap v Miami FI Northeast Topom v Put In Bay Oh Cn West T v Miami FI Southeast Topom Y US Road amp Rec Continental US Chambers County Texas MapSource Info Page SPEED ee TO NEST POINTER 911 0 0 m YMG Time TONEXT TURN k An y HiME OF DAY None 11 50 Small 1 Row Medium 1 Row Medium 2 Rows Large 1 Row Huge 1 Row
80. ext waypoint in sequence in the route Max Speed The maximum second by second speed recorded since last reset Moving Average Speed Average speed while the unit is moving Moving Trip Timer Total time the unit has been moving Appendix E Navigation Terms 87 Appendix E Navigation Terms ACTIVE TO WAYPOINT lt gt ACTIVE FROM WAYPOINT 88 Odometer A running tally of distance travelled based upon the distance between second by second position readings Off Course The distance you are off a desired course in either direction left or right Also referred to as cross track error or course error Speed The current velocity at which you are travelling relative to a ground position Also referred to as ground speed Time To The estimated time required to reach a GOTO destination or the next waypoint in a route Also referred to as estimated time en route Time to Dest The estimated time required to reach a GOTO destination or the final waypoint in a route Time to Next The estimated time required to reach a GOTO destination or the next waypoint in a route To Course The recommended direction to steer in order to reduce course error or stay on course Provides the most efficient heading to get back to the desired course and proceed along your route Track The direction of movement relative to a ground position Also referred to as ground
81. f this equipment does cause harmful interference the user is encouraged to try to correct the interference by relocating the equipment or connecting the equipment to a different circuit Consult an authorized dealer or other qualified technician for additional help if these remedies do not correct the problem This device complies with Part 15 of the FCC limits for class B digital devices for home or office use Operation is subject to the following conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Introduction Warnings and Precautions MAP DATA INFORMATION One of the goals of GARMIN is to provide customers with the most complete and accurate cartography that is available to us at a reasonable cost We use a combination of governmental and private data sources which we identify as required in product literature and copyright messages displayed to the consumer Virtually all data sources contain inaccurate or incomplete data to some degree This is particularly true outside the United States where complete and accurate digital data is either not available or prohibitively expensive CAUTION IT IS THE USER S RESPONSIBILITY TO USE THIS PRODUCT PRUDENTLY THIS PRODUCT IS INTENDED TO BE USED ONLY AS A NAVIGATIONAL AID AND MUST NOT BE USED FOR ANY PURPOSE REQUIRING PRECISE MEASUREMENT OF DIRECTION DIS
82. fore For more information on setting up the Track options and saved tracks see pages 66 67 using the Follow Track option 55 56 Reference MOB Man OverBoard Map Pointer 1302 05 8 26 557 1 50 534 SS _ ouerZoom quickly activate a navigation back to a location Map Pointer 13027 H H1 Go To MAP Point Stop Navigation Are You Sure Wo E for Man Overboard n __ OUETRZO0 m Highlight Yes and press ENTER MARK to stop navigation OB The GPSMAP 168 Sounders Man OverBoard function MOB lets you simultaneously mark and set a course to a position for quick response to emergency situations To activate the MOB function 1 Press and hold the NAV MOB key or press the NAV MOB key twice 2 Press the ENTER MARK key to confirm and begin navigating to the MOB position Once a MOB has been activated a MOB waypoint with a diver down symbol will be created and the unit will be on an active navigation to that point Use any of the navigation pages to guide you back to the MOB point The MOB waypoint will be stored in the waypoint list and may be deleted like any other waypoint To stop navigation to the MOB position 1 Press the NAV MOB key highlight Stop Navigation and press ENTER MARK 2 Choose either Yes or No and press ENTER MARK to confirm Routes The last way to navigate to a destination is to
83. from 1X to 16X with a default setting of 8X cale al To change the highway perspective scale Desired Track Line Current Position 1 Press the IN or OUT key to select the desired setting The GPSMAP 168 Sounders Highway options page allows you to define the data fields and select 10 0 OF OIT which waypoints are displayed on screen The data window located at the top of the page provides a 5 8 05 28 017 user selectable layout of various types of useful data Each data field may be configured to display any Navigating To TOUR2 one of 27 data options The data window layout may also be changed to display additional data fields and change the actual size of the data displayed ae The GPSMAP 168 Sounders Highway Page features a menu options page that provides access to X functions and features relating to the Highway Page and the layout options i To display the Highway Page options i 1 Press MENU You can configure the page to show the active point only and also zoom To select a menu option 42 out to get a better view 1 Using the ARROW KEYPAD highlight the desired option and press ENTER MARK The following options are available from the Highway Page menu Show Hide Tracks toggles the display of track lines on off Configure Highway allows you to select what waypoints are shown on the Highway display Four options are available Rte amp Nearest all route and nearest waypoints displayed
84. from satellites visible at its last known or initialized position but has not collected enough data to calculate a fix e 2D Navigation at least three satellites with good geometry have been acquired and a 2 dimensional position fix latitude and longitude is being calculated 2D Differential Navigation will appear when you are receiving DGPS corrections in 2D mode and a D will show on the strength bar of satellites being corrected 3D Navigation at least four satellites with good geometry have been acquired and your position is now being calculated in latitude longitude and altitude 3D Differential Navigation will appear when you are receiving DGPS corrections in 3D mode and a D will show on the strength bar of satellites being corrected e Poor GPS Coverage the receiver is no longer tracking enough satellites for a 2D or 3D fix e Receiver Not Usable the receiver is unusable possibly due to interference or abnormal satellite conditions Turn the unit off and back on to reset e Simulating Navigation the receiver is in simulator mode 21 22 Reference Status Page Options DGPS Receiver Status 3D Navigation H q Accuracy Pele m 3a Bm Il DORAT E m t oa oa o7 oa 11413 2 0 7 E Em Ditt Revr m i Scanning 1 BB Ditt SHR ae 15 18 19 26 27 31 24 JAN 00 01 25 51 N 38 91 343 W094 4 7 928 SNR Strength The DGPS Revr and Diff SNR fie
85. g a speed you display Check that the speed sensor wheel is moving or safely increase boat speed If there is a problem with the speed sensor unit or if a speed senor is not installed a Water Speed Sensor Is Not Working message will appear at the bottom of the display Check connections of speed sensor cables Setup Page Layout allows you to change the text size and number of data fields that will be displayed e Change Data Fields allows you to specify the type of data displayed in each data field used on the map display For detailed instructions on changing the data fields and layout of the Sonar Page see pages 32 33 Compass Page Reference The GPSMAP 168 Sounder features two different navigation pages Compass and Highway When a NAV MOB Follow Track TracBack or Follow Route has been activated the GPSMAP 168 Sounder s Comp ass Page Compass Page will guide you to your destination with digital readouts and a graphic compass display which includes a bearing pointer Use this page instead of the Highway Page when travelling at slower Data Fields speeds when making frequent directional changes or when straight line navigation is not possible due a to obstructions or terrain The middle of the page features a rotating compass ring that shows your 10 0 1 5 09 23 course over ground track while you re moving Your present course over ground is indicated at the Navigating To Miami Beach Curr
86. ge as measured by the unit e WATER SPEED Speed through the water if equipped with optional speed transducer sensor e WATER TEMP Water temperature if equipped with optional speed transducer sensor To change a data field 1 From the Map Page s menu options list use the ARROW KEYPAD to highlight the Change Data Fields option and press ENTER MARK 2 Move the field highlight to the data field you want to change and press ENTER MARK 3 Move UP or DOWN on the ARROW KEYPAD to highlight the data you want to display and press ENTER MARK To exit press QUIT Reference Map Page Options POINTER TALTITUDE BEARING COURSE DIST TO DEST DIST TONEXT HII ETA AT DEST ETA AT NEXT MAX SPEED Dl A MOV AVG SPEED MOV TRIP TIMER Choose the type of data you wish to 33 Adjustment Reference Sonar Page Fish Arch a Bottom Whiteline WATER TEMP Bar poe 30 3 10 0 50 4 Auto Range gt Zoom Gain Line Thermocline Sonar Page 4 418 gt 0 0 0 4 q Fish 7 12 Symbols with amp Depth A 40 40 ANA oC a S48 2X Zoom View Normal View 34 2X Split Screen Shown Data Fields Depth Line Depth Scale 5 Flasher Bar represents area shown on 2X View Sonar Page The Sonar Page is where your GPSMAP 168 Sounder becomes a powerful fishfinder flasher The top of the screen contains data fields whic
87. ghlight to the desired setting and press ENTER MARK To exit press QUIT e Change Data Fields allows you to specify the type of data displayed in each data field used on the map display The following options are available for Map Page data fields and on the Highway and Compass pages e ALTITUDE Altitude above below MSL Mean Sea Level BEARING Compass direction from your position to destination e COURSE Course over ground DEPTH Depth below transducer DIST TO DEST Distance to final waypoint e DIST TO NEXT Distance to next waypoint ETA AT DEST Estimated Time of Arrival to final waypoint e ETA AT NEXT Estimated Time of Arrival to next waypoint e MAX SPEED Fastest speed the unit has traveled e MOV AVG SPEED Average moving speed e MOV TRIP TIMER Time unit has been moving for a trip e OFF COURSE Distance from desired track e POINTER Arrow points to your destination e SPEED Speed over ground water e TIME OF DAY Current time TIME TO DEST Time to final waypoint at current speed and course e TIME TO NEXT Time to next waypoint at current speed and course e TO COURSE Distance to desired track e TRACK Current compass heading TRIP ODOM Trip Odometer TTL AVG SPEED Total average speed TTL TRIP TIMER Total travel time of trip stopped and moving e TURN Turn angle to waypoint e VMG Velocity Made Good to destination VOLTAGE Input volta
88. h a user defined Creating Waypoints icon and depth available for each waypoint Waypoints can be created using three basic methods ENTER MARK key used primarily for marking your present position the ENTER MARK key also provides options that allow you to select a map position or map item from the map display New Waypoint 001 N 38 51 333 Depth e Graphically allows you to define a new waypoint position from the map display using the ARROW KEYPAD Text Entry allows you to enter a new waypoint position coordinates manually from a chart etc W094 47 941 0 0 GRAHAM ISLAND ENTER MARK Key The GARMIN GPSMAP 168 Sounders ENTER MARK key lets you quickly capture your present position or cursor or map item position in order to create a new waypoint You must have a valid position 2D or 3D fix to mark your present position This can be determined by looking at the Status Page When you move the cursor over a map item you will see a highlighted description of that item are MIAMI s j Go To Delete Press ENTER MARK to use the default name and symbol New Waypoint To mark your present position N 38 51 333 Depth 1 Press and hold the ENTER MARK key until the New Waypoint window appears then release it W094 47 941 0 0 E You will see a default three digit name and symbol for the new waypoint 2 To accept the waypoint with the default name an
89. h can display any of 27 selectable data field options while the adjustment bar below the data fields allows direct access to the settings most commonly changed while using the Sonar Page These include the depth Range Zoom setting Gain sensitivity and View zoom mode only of the unit The middle of the page contains a right to left moving sonar image of the water beneath your boat Note Items appear as they pass under your transducer Those items on the right side of the screen are closer to you than those on the left Along the right side of the screen is an adjustable scale which reflects the depth of the area being displayed Fish are displayed as a darkened arch or a fish icon in three different sizes Thermoclines are shown as shades of gray The area of strongest sonar return or whiteline is displayed as solid gray Typically the bottom will be the primary whiteline A thin whiteline indicates a soft bottom while a thick whiteline shows a harder bottom A black line is used to show the point where the water meets the whiteline This black line will follow the contour of the bottom and show any objects of reasonable size For more information on understanding sonar and the display see Appendix H Using the Adjustment Bar The Adjustment Bar allows direct access to the settings most commonly changed while using the unit These include the depth Range Zoom setting the Gain sensitivity View adjus
90. habetical list of available waypoint symbols to choose from Press the ARROW KEYPAD UP or DOWN until you highlight the Anchor symbol You will see a scroll bar on the right of the window indicating your current position on the entire list of symbols 8 Press ENTER MARK to confirm the Anchor symbol 9 Highlight OK at the bottom of the window and press ENTER MARK again to confirm the OK prompt and save the waypoint You may also press QUIT to not save the waypoint The waypoint is now stored in memory Note that waypoints may also be created graphically from the map display or by manually entering position coordinates Each of these techniques is described in the reference section of the manual and or on your GPSMAP 168 Sounder Quick Reference Guide Going to a Destination GPS is all about marking positions as waypoints and navigating to them using the receiver s steering guidance and map displays We ve already seen how to use the ENTER MARK key to store our present position so it s time to move on to the fun part going to a destination The NAV MOB key is the primary tool used to select a destination waypoint TracBack or a route to navigate The NAV MOB key can be used in three primary ways e Pressing NAV MOB once displays a list of options from which you can select Go To Waypoint Follow Route Follow Track or Stop Navigation e Holding down or pressing twice on the NAV MOB key activates th
91. hart This line will only appear if the tide ranges to the zero value or below The numbers directly below above LCL and STA indicate the maximum minimum levels respectively The four data fields below the chart indicate event times and levels at which the tide changes starting in the upper left field going downward then to the upper right and down again To select the nearest tide station from you current location Reference 1 From the Tide tab press MENU then using the ARROW KEYPAD highlight Nearest Tide Station and press ENTER MARK Main Menu The name of the closest station will appear in the For field You must be within 100 miles of Tide Tab a tide station to use the Nearest Tide Station option If you are not within this range you will see Wavet or Vero Beach a message No Tide Stations For That Area Use the Select From Map option and select a location te 1 17 FEB 00 closer to a tide station Time g jH ages i i To select a tide station from the map a PE systm Use Today s Date Using the ARROW KEYPAD highlight the For field and press ENTER MARK Units ___ for Main Menu Highlight Select From Map and press ENTER MARK Alarm BRB W N _ Celes o s Hn Select a position on the map and press ENTER MARK Tide tar og aaa na a A list will appear showing up to nine of the nearest tide stations Highlight the des
92. hat position format datum e Irish Grid Loran TD e Maidenhead e MGRS heading and units of measure are being used for the map ahaa e New Zealand e Qatar Grid e Swedish Grid e Swiss Grid e Taiwan Grid e User Grid e W Malayan RSO Waypt Position Format Rout Trook hddd mm mmm Trip Map Datum i aE Time WGS 84 Map Datum allows you to select the datum reference used to determine a given position The A gt Heading default setting is WGS 84 Datums are used to describe geographic positions for surveying For additional information on Loran TD setup see pages 80 81 sonar Auto Mag Var 003 E eat en oon pre mapping and navigation and are not actual maps built in the unit Although over 100 datums are mi Nautical nm kt ft available as listed on pages 85 86 you should only change the datum if you are using a map or Foei chart that specifies a different datum Celes T bed i Tide empera n i 3 g Fahrenheit CF WARNING Selecting the wrong map datum can result in substantial position errors When in doubt use the default WGS 84 datum for best overall performance 70 Units Tab e Heading lets you select the reference used in calculating heading information You can select from Reference Auto Mag Var True Grid and User Mag Var Auto Mag Var provides magnetic north heading references which are automatically determined from your current positio
93. he main pages or Jump To a particular page Trip Tab To select deselect a main page 1 Use the ARROW KEYPAD to highlight the box to the left of the page name Pressing ENTER MARK will select deselect that page When a page is selected a will appear in the box You a must leave at least one page checked Route TMe Format Track 12 Hour You may also press MENU and choose from one of the following and press ENTER MARK Trip Time Zone Selectable ui Central P Data Enable All Pages selects all pages Pages Daylight Savings Time i Map Auto Fields e Basic Chartplotter selects Map Page only Non Slectable Suge 07 44 1 n 1 7 FEB DO e Nav Tools Only selects Compass Highway and Active Route Pages only Data Field aa e Basic Fishfinder selects Sonar Page only Celes Tide To Jump To a specific page 1 Use the ARROW KEYPAD to highlight the Jump To option to the right of the desired page and 63 Titae lab press ENTER MARK Systm System Tab controls system setting for beeper speed filter languages system mode Reference simulator controls restores factory settings and displays software version Main Menu The following settings are available Systm System Tab e Beeper controls audible beep Select from Off Alarms Only sounds for alarms messages Key y Sy and Alarm sounds for key
94. he page features a rotating compass ring that shows your course over ground track while you re moving and a bearing pointer that indicates the direction of the destination bearing rela tive to the course over ground The compass ring and pointer arrow work independently to show at a glance the direction of your movement and the direction to your destination For instance if the arrow points up you are going directly to the waypoint If the arrow points any direction other than up turn toward the arrow until it points up then continue in that direction The current speed and distance to the next waypoint as well as the time to the next waypoint are displayed at the top of the screen This page provides better steering guidance than the Highway Page when travelling at slower speeds and or when making frequent directional changes When you are not navigating to a waypoint the compass will show your direction of travel as you move but the arrow will not appear Note Due to Selective Availability error it is possible for the compass to point in the wrong direction when stationary or at very low speeds Lets move on to the Highway Page by pressing the PAGE key The GPSMAP 168 Sounders Highway Page also provides graphic steering guidance to a destination waypoint As you head toward your destination the middle of the screen provides visual guidance to your waypoint on a moving graphic highway Your present position is at the bottom
95. he ten nearest waypoints that are within 100 miles of your present position The nearest waypoints are continuously updated to your present position and provide quick access to the closest points of safety in emergency situations To scroll through and review the nearest waypoint list 1 Highlight the Nearest tab then use the ARROW KEYPAD to scroll through the list in either direction 2 Press ENTER MARK to review the highlighted waypoint 3 To return to the waypoint list highlight the OK prompt and press ENTER MARK 4 The field highlight will automatically scroll to the next waypoint If you want to review each waypoint you can scroll through any waypoint list by pressing the ENTER MARK key repeatedly To select a nearest waypoint as a NAV MOB destination 1 Use the ARROW KEYPAD key to select the desired waypoint 2 Press NAV MOB followed by ENTER MARK Proximity Waypoint List The third waypoint submenu list available from the Waypt tab is the Proximity list which lets you define an alarm circle around a stored waypoint position and can be used to help you avoid reefs rocks or restricted waters Up to ten waypoints may be listed with a maximum alarm radius of 99 99 nautical or statute miles or kilometers If a proximity alarm circle overlaps with an existing alarm circle a Proximity Overlaps Another Proximity Waypoint message will appear each time the unit is turned on If you enter an alarm circle overlap
96. ice The 14 Menu tabs are divided into categories by function Manem thi S To select a Menu tab from the Main Menu Page Waypt By Hame Hearest Proximity 1 Move the ARROW KEYPAD UP or DOWN to highlight the tab you want to view The information Rote 001 for the highlighted tab will automatically appear to the right I 001 2 If you want to highlight any of the tab items press to the RIGHT on the ARROW KEYPAD then eA move UP or DOWN to select individual items Sonar GARHIN ystm a 3 You may then press either MENU for additional submenu options or press ENTER MARK to make A ical changes to the highlighted item larm PILE l l Celes ROCKS lt 4 Press LEFT on the ARROW KEYPAD to get back to the Menu tab list Pressing QUIT will take TEn e you out of the Main Menu Page den Avebe 1E U The Main Menu tabs are Main Menu Page e Waypt allows you to create edit or delete waypoints See pages 44 53 e Route allows you to create edit activate or delete routes See pages 57 64 e Track lets you record a track define how it is recorded and displayed Trip provides trip speeds odometers averages and trip timers e Time sets up time format time zones and daylight savings e Pages enables main pages to be shut off turned on or jumped to e Map sets up Map Page features zooms and text size See pages 29 31 65 66 Reference Main Menu Track Tab Waypt
97. ill automatically appear when highlighted on the Saved list and NAV MOB is pressed 67 Reference Trip Tab displays Trip Odometer Moving Average speed Total Average speed Maximum Speed Stopped Time Moving Time Total Time and Odometer You may reset the data by choosing from Main Menu Reset Trip Reset Odometer Reset Max Spd speed or Reset All and pressing ENTER MARK Trip Time and Pages Tabs Time Tab displays the current time and date allows you to adjust the 12 or 24 hour time format enter a time zone and adjust for daylight savings to show correct local time Waypt Route Track 0 2 01 59 24 The following options are available Moving Average Moving Time Time 00 04 40 Pages Total Average Total Time 0 1 02 04 04 Trip Odometer Stopped Time Data Time Format choose from 12 or 24 hour military time format Fields Time Zone choose your correct time zone to show correct local time or enter a UTC Offset The onar o smal Maximum 412 Odometer 0 2 UTC also called Greenwich Time offset is how many hours you are ahead or behind the time line Comm l See the table on page 80 for time offsets Alarm Reset Trip Reset Max Spd Reset e Daylight Savings choose from Auto On or Off to adjust for daylight savings Options Z ResetAll l Pages Tab allows you to turn on off any of t
98. ing Unit Installation When choosing a location for the display unit make sure you consider the following conditions e There should be at least a 3 5 cm clearance behind the case to allow connection of the antenna external antenna only and power data cables The mounting surface should be heavy enough to support the unit and protect it from excessive vibration and shock For units with the built in internal bail mount antenna 010 00202 00 it should be mounted in a location that has the clearest most unobstructed view of the sky in all directions to ensure the best reception Avoid mounting the unit where it will be blocked by the boats superstructure a radar arch or mast A The temperature range for the GPSMAP 168 Sounder is 5 F to 158 F 15 C to 70 C Extended exposure to temperatures exceeding this range in storage or operating conditions may cause failure of the LCD screen This type of failure and related consequences are NOT covered by the manufacturer s limited warranty To install the GPSMAP 168 Sounder unit Mounting Bracket 1 Place the mounting bracket in the desired location Mark and drill the four mounting holes for the fastener you are using 2 3 Fasten the bracket to the surface using the appropriate fastener 4 Insert the GPSMAP 168 Sounder into the mounting bracket The bracket is designed for a tight fit to OK provide additional support when swiveling the unit Screw the two moun
99. ing to a Destination 11 52 H FV AS ei 71 FAIS VAY PAC cet csiteranioncmneadeaes 16 18 42 Highway Page Configuration 43 Highway Page Options 06 42 43 How TO NOX eese viii I IN Key noin l Initialization aiiiar 4 5 21 Tosta llai Oissar 90 99 Interlace FOrMAtS 2 caninerntrnnemawcenee 72 Mteracing sesasine ieis 12 92 105 Appendix l Index J PRO TOPA eeir airen Ea 68 K ao kG cis eee een ee 39 1241 0 CLG foe cope ee en EE l L E vale CaTa e PEE A TT 31 Languape Selecon eeren 69 NAO E 32 Eora U e Teer Tet 80 81 M Magnetic Variation eeeeeeeeeeeeeeeeeeeeeen 71 Main Ment secerni 65 79 Main Menn Paf vctenccesudranutina vensisonaanicanns 65 Map Configuration 0 0ceee 29 31 Map Dats siesena 70 85 86 Map Page aiiiar 8 9 24 33 Map Page OPUONS sarasonoiiariieesi 21 33 106 NE E EA 26 Map ZOOMING n se 9 26 MapSource Info Page iicccricceacesernernnts 31 32 Measure Distance Bearing eee 28 MENUT Verre a nica EEN Messages 00 2 eee eeeeeeeeeeeeeteteeeeeeeeeenteees 83 84 NOB caterer tonite ce eae 52 56 Moonrise Moonset ccceeseeseeeeeeees ce N NAV MOB Key seserapan 1 11 12 52 53 55 56 59 Navipation TETMS crue atreectivanicadacens 87 88 Nearest Tide StavOis ccn ccsmeridesesntuspecor 79 Nearest Waypoint List eee 50 NMEA Output Formats scciiacneasercstane 72 92 aen E eet ashe E TE N 39 O Odometer T Pee RN 68 Off Course
100. int the active point is marked with an arrow icon As you navigate a route the waypoint list will automatically update to indicate the next active point first The Active Route and Route Review Pages share many of the same features and options The following route options are available from the Active Route Page e Edit on Map see page 61 for instructions e Insert Waypoint see page 62 for instructions e Remove Waypoint see pages 62 for instructions Invert see page 63 for instructions e Plan Route see page 63 for instructions e Re evaluate recalculates and reactivates the current route data Re evaluate reactivates the current route and selects the route leg closest to your current position as the active leg The active leg defines the current from and to waypoints To Re evaluate an active route 1 From the Active Route Page press MENU 2 Using the ARROW KEYPAD highlight Re evaluate and press ENTER MARK to recalculate Main Menu Page Reference The GPSMAP 168 Sounders Main Menu Page provides access to various waypoint system naviga tion and interface management and setup menus in an easy to use tab format The Main Menu Main Menu Tabs Page is available from any page in the GPSMAP 168 Sounder s system and is accessed through the MENU key See pages 2 3 for additional instructions changing settings and entering data To access the Main Menu Page 1 Press MENU tw
101. ional GARMIN DGPS receiver 0 1 knot RMS steady state 6g s 150 watts RMS 1200 watts peak to peak 200 kHz 10 18v DC 10 watts max AGC BAG 2 Amp Appendix F Specifications 89 Appendix G Antenna Installation BEST RETR r 4 Suggested locations for mounting the GA 29 antenna Garmi C It is possible to route the coaxial cable either through or outside the antenna mount The BNC connector on the coaxial cable can be removed and the coaxial cable shortened to ease installation If the BNC connector is removed it must be replaced with a new crimp compression or solder on BNC connector If you need assistance please contact Garmin Technical Support at 913 397 8200 90 Installing the GPSMAP 168 Sounder The GPSMAP 168 Sounder must be properly installed according to the following instructions to get the best possible performance If you have the 168 Sounder with the built in internal bail mount antenna 010 00202 00 you may skip this section and proceed to the next page For units purchased with the external GA 29 antenna 010 00199 00 follow the instructions below To complete the installation you ll need the appropriate fasteners and a 1 x 14 thread marine antenna mount available at most marine dealers Mounting the GPS Antenna The antenna should be mounted in a location that has a clear unobstructed view of the sky in all
102. ired station _ and press ENTER MARK If the No Tide Stations For That Area message appears repeat steps You may automatically search for the 1 4 until you find a station nearest station and also view past and future information You may also change the date to see tide charts for other days To change the date for the tide chart Route For Sear a 1 Using the ARROW KEYPAD highlight the On field and press ENTER MARK te u E 2 Enter the desired date and press ENTER MARK To use the current date Systm 1 Press MENU then highlight Use Today s Date and press ENTER MARK comm Celes J O RAE om You must select a location within 100 nm of a tide station 79 Appendix A Loran TD 3D Navigation dis Start Simulator Track Up ALoran TD On J utol ocd ite 2D Alltitude env for Main Menu N 3 W094 4 7 931 You may change to Loran TD from either the Status Page or Units Tab on the Main Menu Waypt Route Position Format Track WC CCM Aull mw Maidenhead HMGRS New Zealand Swedish Grid Swiss Grid Taiwan Grid Alarm Celes UTM UPS Tide Wy Malayan RSO YE t 80 Loran TD System Loran C is a radio navigation aid operated and maintained in the United States by the United States Coast Guard The name LORAN is an acronym for LOng RAnge Navigation The Loran system cove
103. is for the active log the log currently being recorded It displays track memory used and current settings The Saved tab displays and manages a list of any saved track logs allows TracBack activation and map display of saved logs The active log stores up to approximately 2000 track log points based upon the criteria specified in the Track settings Up to 10 track logs may be saved in memory with up to 250 track log points in each saved log For the Active tab the following settings are available e Record Mode lets you select one of three track recording options Oft No track log will be recorded Note that selecting the Off setting will prevent you from using the TracBack feature Fill a track log will be recorded until the track memory is full Wrap A track log will be continuously recorded wrapping through the available memory replacing the oldest track data with new data e Interval defines the frequency at which the track plot is recorded Three interval settings are Reference available Time records track plot based on a user defined time interval Main Menu Resolution records track plot based upon a user defined variance from your course over Track Tab ground The resolution option is the default setting and is recommended for the most efficient Track Map use of memory and TracBack performance The distance value entered in the value field is the maximum error all
104. l not be stored in the waypoint list See page 45 for creating waypoints using map items If you are selecting a new map point non map item as the Go To destination the GPSMAP 168 Sounder will automatically create or move a waypoint named MAP at the cursor position Choose a waypoint from either the By Name or Nearest tab list H 35 0 1 287 H076 25 085 To activate an existing waypoint or map item as a Go To from the map display 1 Use the ARROW KEYPAD to highlight the waypoint or map item on screen and press NAV MOB 2 You will see Go To lt waypoint name gt then press ENTER MARK You may also highlight the rack waypoint or map item press ENTER MARK highlight Go To from options at the bottom of the eda a window and press ENTER MARK a Xa 7 To activate a new map point non map item as a Go To from the map display 1 Use the ARROW KEYPAD to move the arrow cursor to the desired position The waypoint or map item name 2 Press NAV MOB you will see Go To MAP Point highlighted then press ENTER MARK will automatically appear when high lighted and NAV MOB is pressed 53 Follow Track 54 Reference TracBack Navigation H 35 02 036 HO76 13 887 Go To Waypoint Follow Route Follow Track a Stop Navigation a for Man Overboard J v Go To MAP Point allows you to navigate to a spot on th
105. land Indonesia 74 Ireland 1965 ISTS 073 Astro Johnston Island Chua Astro Paraguay Corrego Alegre Brazil Djakarta Batavia Sumatra Island Indonesia Dos 1968 Gizo Island New Georgia Islands Dutch Easter Island 1967 European 1950 Austria Belgium Denmark Finland France Germany Gibraltar Greece Italy Luxembourg Netherlands Norway Portugal Spain Sweden Switzerland European 1979 Austria Finland Netherlands Norway Spain Sweden Switzerland Finland Hayford Finland Gandajika Base Republic of Maldives Geocentric Datum of Australia Geodetic Datum 49 New Zealand Guam 1963 Guam Island Guadalcanal Island Hjorsey 1955 Iceland Hong Kong Taiwan Indian Bangladesh India Nepal Indian Thailand Vietnam Indonesia 1974 Indonesia Ireland 1965 Ireland ISTS 073 ASTRO 69 Diego Garcia Johnston Island Appendix D Map Datums The GPSMAP s built in world wide database includes coverage down to 20 n m 30 km Note that the GPSMAP 168 Sounder basemap is valid to 75 north and 60 south of latitude The User datum is based on a WGS 84 Local datum and is an advanced feature for unlisted or custom datums Check your local library or on the world wide web for educational materials on datums and coordinate systems 85 Appendix D Kandawala Kerguelen Islnd Kertau 1948 L C 5 Astro Liberia 1964 Luzon Mindanao Luzon Philippine Mahe 1971 Marco Astro Mass
106. lds appear below the Accuracy and DOP fields The Differential Receiver status will show one of the following e Off No optional beacon receiver attached or enabled in the Comm menu e No Signal DGPS receiver attached but not transmitting RTCM data to GPS e Tuning Receiver is tuning manual frequency e Scanning DGPS receiver is scanning for available frequency e Rcving Unit is receiving DGPS corrections Chk Wiring DGPS is enabled in Comm menu but no DGPS receiver attached or bad corrections The Differential SNR Signal to Noise Ratio indicates on a scale to 0 30db with 30db being the best the strength of the DGPS signal being received If no optional DGPS receiver is used with the GPSMAP 168 Sounder the DGPS Revr field will display Off and the DGPS SNR field will be blank The SNR will depend upon the mounting of your DGPS receiver and the distance from the DGPS transmitting station Many features of the GPSMAP 168 Sounder are menu driven Each of the main pages has an options menu allowing you to custom tailor the corresponding page to your preferences and or select special features that specifically relate to that page The GPSMAP 168 Sounder s Status Page features an options menu that provides access to functions and features relating to the Status Page To display the Status Page options 1 Press MENU To select a menu option 1 Using the ARROW KEYPAD highlight the desired opti
107. le Delete unwanted waypoints to make space for new entries Adindan Afgooye AIN EL ABD 70 Anna Ast 65 ARC 1950 ARC 1960 Ascnsn Isld 58 Astro B4 Sorol Astro Ben E Astro Dos 71 4 Astr Stn 52 Aus Geod 66 Aus Geod 84 Austria Bellevue IGN Bermuda 1957 Bogata Observ Campo Inchspe Canton Ast 66 Cape Cape Canavrl Carthage CH 1903 Chatham 1971 Adindan Ethiopia Mali Senegal Sudan Afgooye Somalia AIN EL ANBD 1970 Bahrain Island Saudi Arabia Anna Astro 65 Cocos I ARC 1950 Botswana Lesotho Malawi Swaziland Zaire Zambia Zimbabwe Kenya Tanzania Ascension Island 58 Ascension Island Sorol Atoll Tern Island Astro Beacon E Iwo Jima Astro Dos 71 4 St Helena Astronomic Stn 52 Marcus Island Australian Geod 66 Australia Tasmania Island Australian Geod 84 Australia Tasmania Island Austria Efate and Erromango Islands Bermuda 1957 Bermuda Islands Bogata Obsrvatry Colombia Campo Inchauspe Argentina Canton Astro 1966 Phoenix Islands Cape South Africa Cape Canaveral Florida Bahama Islands Carthage Tunisia CH 1903 Switzerland Chatham 1971 Chatham Island New Zealand Chua Astro Corrego Alegr Djakarta Dos 1968 Dutch Easter Isld 67 European 1950 European 1979 Finland Hayfrd Gandajika Base GDA Geod Datm 49 Guam 1963 Gux Astro Hjorsey 1955 Hong Kong 63 Hu Tzu Shan Indian Bngldsh Indian Thai
108. ledge necessary to use the unit to its fullest potential Part Two is divided into sections that provide detailed references to the advanced features and operations of the GPSMAP 168 Sounder This allows you to concentrate on a specific topic quickly and look up detailed information about the GPSMAP 168 Sounder Customer Service Product Registration Help us better support you by completing our on line registration today Have the serial number of your GPSMAP 168 Sounder handy and connect to our website www garmin com Look for the Product Registration link on the Home page Also be sure to record your serial number in the area provided on page iv of this manual NOTE If you have previously registered a GARMIN product purchase using a mail in registration card we invite you to re register using our NEW on line system Many services provided by our new product registration system are now being automated Re registering your purchase ensures you the best possible support from GARMIN The GPS system is operated by the United States government which is solely responsible for its accuracy and maintenance The system is subject to changes which could affect the accuracy and performance of all GPS equipment Although the GARMIN GPSMAP 168 Sounder is a precision electronic NAVigation AID NAVAID any NAVAID can be misused or misinterpreted and therefore become unsafe The electronic chart is an aid to navigation and is designed to facilit
109. low Track Units Stop Navigation Com for Man Overboard Alarm Celes Tide 18 Available 2 Used If you highlight a route name from the Route List and press NAV MOB the name will automatically appear wat GPSMAP TOUR Route track TOUR1 TOURS Trip _ eee ae ee ee Ti Pap TT Hap Copy sm Delete Route Systm Delete All Units E for Main Menu 6 _x EE EE EEE Alarm Celes Tide 18 Available 2 Used Route List Menu 59 Route Name OUR1 TOUR5____ Route Points 60 Reference Route Review Page Route Review Waypoint Distance lt Course gt TOUR1 0 0 TOUR2 2 3 i TOUR3 48 oo 0 TOUR4 7 9 doe TOURS 17 7 TOTALS Data Totals Route Review TOUR1 TOURS Waypoint F Course gt Editon Map TOUR Insert Waypoint 003 TOUR Remove Waypoint p TOUR Invert TOUR Plan Route TOUR Delete Route meno for Main Menu TOTALS 17 7 Route Review Options Menu Route Review Page Once you have created a route the Route Review Page allows you to review and modify the route displayed To get to the Route Review Page 1 Press MENU twice to display the Main Menu then highlight the Route tab 2 Highlight the name of the route you wish to review and press ENTER MARK The Route Review Page also allows you to enter your own 15 character name for any listed route By default the na
110. lt Slide the Clamp Band through slots on the Transducer 96 Testing the Installation Appendix G While it is possible to perform some checks with the boat trailered the boat should be in the water to properly test the installation Testing the Installation Press the POWER button and the GPSMAP 168 Sounder should power on If the unit fails to power on verify that the wiring adapter is seated properly in the back of the unit the Red and Black wires are connected to the correct polarity and that the 2 Amp fuse is installed and not blown If the unit is connected to a power supply that exceeds 18 VDC a Battery Voltage High warning will be displayed and the unit will turn off As the unit powers on it should immediately start showing the bottom Verify that the unit is not in the simulator mode If the unit is in the simulator mode make sure that the transducer is connected to the wiring harness To test the transducer installation gradually increase the boat speed while checking the unit operation If the unit displays intermittently or fails to display verify that the transducer is aligned parallel with the bottom and if necessary adjust the transducer height until the unit operates correctly It may be necessary to make several adjustments to ensure proper operation throughout the speed range When adjusting the depth of the transducer make the adjustments in small increments Placing the transducer too deep can adversel
111. me includes the first and last waypoints in the route To enter a custom route name 1 From the Route Review Page highlight the name field and press ENTER MARK to begin editing 2 Use the ARROW KEYPAD to enter the desired name and press ENTER MARK when finished Once you are on the Route Review Page you may review the route points waypoints or map items one at a time from the list To review individual route points 1 Highlight the desired point and press ENTER MARK 2 On the Waypoint Review window you may choose OK highlight the next point on the route list Go To activate a direct navigation to that point or Delete permanently delete the waypoint from the unit and press ENTER MARK If the route point is a map item you may choose Create Waypoint to turn it into a permanent waypoint Once you are back on the route point list the next point in the route will automatically be highlighted This allows you to review each point on the route by pressing only ENTER MARK repeatedly Route Review Menu Options Menu options available from the Route Review Page are Edit on Map Insert Add Waypoint Remove Waypoint Invert Plan Route and Delete Route Edit on Map this option allows you to review and modify the route displayed through a pop up window menu for each point waypoint or map item on a map page You may also use the cursor to insert a new route point on a route leg and review the waypoint or
112. ment bar 2 Press ENTER MARK or press LEFT or RIGHT on the ARROW KEYPAD Another useful feature of the GPSMAP 168 Sounder is the sonar zoom which allows you to Getting Started instantly zoom in to look at a specific portion of the sounder display by using the either the IN or OUT key The Zoom function is divided into four display levels Sonar Page e 2X Split Shows two reduced size sonar pictures at the same time The right half of the display screen shows the complete sonar picture at its original scale The left half shows a portion of the rR p a original picture at 1 2 depth scale 46 1 00 mmi 2X Zoom Range 4 2x Split gt Gain View Line Normal View e 2X Zoom Displays the 2X zoomed picture on the full GPSMAP 168 Sounder screen and does not show the original scale picture View 4X Split Shows two reduced pictures with one at the original depth scale and one at 1 4 the original depth scale e 4X Zoom Displays only the 4X zoomed picture on the full GPSMAP 168 Sounder screen Once activated the zoomed picture becomes the Sonar Page display Note The Zoom function can be deactivated by pressing the OUT key until the No Zoom setting appears Sonar 2X Split Screen shown with Once in Zoom mode you can control the view of the left side of the split When the unit is set Depth Line and Flasher to one of the Zoom settings and additional optional named View will app
113. n True provides headings Main Menu based upon a true north reference Grid provides headings based on a grid north reference and Units Tab is used in conjunction with the grid position formats described on page 70 User Mag Var allows you to specify the magnetic variation at your current position and provides magnetic north heading references based upon the variation you enter To enter a user defined magnetic variation 1 With the Heading field set to User Mag Var highlight the heading reference field immediately to the right and press ENTER MARK 2 Use the ARROW KEYPAD to enter the magnetic variation at your current position and press Wot ENTER MARK Route Pasitisa Format Track hddd mm mmm _ Ea EL S Trip Map Datum Time Q WARNING If User Mag Var is selected you must periodically update the magnetic Pages ane x zoa z i x z a variation as your position changes Using this setting the unit will not automatically sonar User Mag Var Of 0 E calculate and update the magnetic variation at your present position Failure to update Toe Nautical am kt FU this setting may result in substantial differences between the information displayed on Comm ie aD your unit and external references such as a magnetic compass cae WAR SS 5 S Fahrenheit F e Distance Speed and Altitude lets you select the desired units of measure
114. n Garmin transducer cables Following are some tips and basic installation instructions for three popular transducers Detailed installation instructions are provided in the transducer kits Some transducers may need to be installed by a professional marine installer Transom Mount Installation 010 10118 00 depth temp Transom Mount Transducer Mount the transducer cable cover lt gt well above the waterline Apply marine sealant to all screw threads to prevent water from seeping into the transom Transducer should extend 1 8 below fiberglass hull or 3 8 below aluminum hull Make sure that the transducer is below water level when the boat is on plane at high speed N Do not mount transducer directly in the path of the prop The transducer can cause cavitation that may degrade the boat s performance and damage the prop Mount the transducer parallel with the bottom To avoid drilling a hole to mount a thru hull transducer a transom mount transducer may be used with epoxy inside a boat shoot thru hull installation For a transducer to be mounted inside the hull shoot thru not thru hull the boat must be fiberglass no core contact your boat manufacturer if you are unsure Test by placing a small amount of water inside the hull placing the transducer on top of Mounting the Transducer the water then verifying the accuracy of the locators v
115. n indication of what satellites are visible to the receiver and whether or not they are being tracked The signal strength is shown on a bar graph for each satellite with the satellite number below As the receiver locks onto satellites a signal strength bar will appear for each satellite in view with the appropriate satellite number 01 32 underneath each bar The progress of satellite acquisition is shown in three stages e No signal strength bars the receiver is looking for the satellites indicated e Light signal strength bars the receiver has found the satellite s and is collecting data Dark signal strength bars the receiver has collected the necessary data and the satellite s are ready for use Each satellite has a data transmission that must be collected light bar status before that satellite may be used for navigation dark bar status When the receiver is looking for a particular satellite the corresponding signal strength bar will be blank and the sky view indicator will not be highlighted Once the receiver has found the satellite a light signal strength bar will appear indicating that the satellite has been found When the receiver has collected data from the satellite and locked on the number in the sky view will appear highlighted and the status bar will become dark As soon as the GPSMAP 168 Sounder has collected the necessary data from the best satellites in view to calculate a fix the status field will indica
116. n the coverage area at that time 102 Understanding the Chart It is important to understand that the unit does not display a 3 D representation of the underwater environment The unit can display multiple things at the same time but can not determine where the return originated only when it was received Example 2 provides a look at the underwater world from a top view and relates that view to what would be displayed on the chart On the chart it appears the fish and tree are side by side but when we look at the scene from the top we can see that the fish is several feet from the tree It is important to remember that the fishfinder can not determine where in the coverage area the tree or fish are only that the returns were received in the same time frame Enlarged Branches Transducer View Example 2 Whiteline The GPSMAP 168 Sounder can help you to determine if the bottom is hard or soft When the sonar soundwaves are reflected back by the bottom a hard bottom will return a stronger signal than a soft bottom The stronger bottom return the wider the bottom layer is displayed The unit uses the whiteline function to make this bottom layer information easier to distinguish When viewing the display without Whiteline active the bottom return is black While you can make some determination of the bottom type the black return makes this more difficult With the whiteline active the bottom return appears layered in shades
117. niraceg th encedaetoeteas 70 71 User AWM sep erect annan 85 86 Appendix l Index W W a T AE iii TEI eee A iv T 616 S 31 Water Speed Calibrating 0 0 0 0 39 40 WT O sere eee rarer reer 39 Waypoint Lists 0 0 0 2 eects 48 50 Waypoint Options eee 48 49 Waypoints Creating 10 13 26 44 46 Waypoints Deleting c eee 49 Waypoints Editing 0 0 0 0 46 47 Waypoints MOVING ee eeeeerteeeeeee ar Waypoints Naming s s a Waypoints Nearest 0 eeceeeeeeeeeees 50 Waypoints Proximity cee 50 52 Waypoints Reviewing eeee 13 46 Welcome Page jovi csxstinsnnrnyuye sononnstukestemease ii Whiteline aiiiaiciccaaan 14 34 38 103 Wiring Installation 0 0eeeee 92 Z LOOMINE srera 9 15 24 26 42 107 GARMIN 2000 GARMIN Corporation ul GARMIN International Inc 1200 East 151 Street Olathe Kansas 66062 U S A GARMIN Europe Ltd Unit 5 The Quadrangle Abbey Park Industrial Estate Romsey S051 9AQ U K GARMIN Corporation No 68 Jangshu 2 Road Shijr Taipei County Taiwan www garmin com Part Number 190 00170 00 Rev B
118. nstallation are critical to the operation of your unit The transducer transmits sound waves toward f the bottom in a cone shape The larger the cone angle the larger the coverage area at a given depth Selecting A Transducer While it is good to see as large of an area as possible it is best to select a transducer that suits the water that you are on A wide cone angle transducer works best in shallow water The wide cone angle provides a large coverage area but at a decreased bottom resolution In deeper water this can result in a large dead zone where fish cannot be seen A narrow cone angle transducer is better suited to deep water installations i The narrow cone angle provides a smaller viewing area compared to a wide cone angle transducer at the same depth with improved bottom resolution and a smaller dead zone Included in the 010 00199 00 or 010 00202 00 package is a 20 cone angle temperature sensing transom mount transducer This transducer provides good all around performance Listed below are a variety of optional transducers and accessories which are available from your local dealer or GARMIN 200 kHz 20 plastic transom mount depth only P N 010 10105 00 e 200 kHz 20 plastic transom mount depth temp P N 010 10118 00 e 200 kHz 20 plastic transom mount depth temp speed P N 010 10106 00 e 200 kHz 20 plastic in hull depth only 0 rise P N 010 10224 00 e 200 kHz 12 bronze thru hull mount depth
119. nt 1 From the Sonar Page press MENU highlight Show Pointer and press ENTER MARK to pause the screen movement 2 Use the ARROW KEYPAD to move the cursor onto the target underwater drop off stump etc you want to mark A data field will appear with the cursor s depth coordinates and bearing and distance from your current position 3 Press ENTER MARK The New Map Waypoint page will appear with the waypoint s coordinates default three digit name and depth automatically filled in 4 To change the name symbol or depth highlight the appropriate field and press ENTER MARK Make your changes and press ENTER MARK when done 5 When done move the field highlight back to the OK prompt and press ENTER MARK 6 To return to the standard Sonar Page press QUIT or press MENU highlight Hide Pointer and press ENTER MARK Show Hide Depth Line adds the Depth Line selection to the Adjustment Bar and a horizontal depth line across the display which is used to measure the depth of underwater objects The depth of the line will appear in a box on the right side of the line To activate deactivate the Depth Line from the Sonar Page 1 Press MENU to display the Sonar Page options 2 Using the ARROW KEYPAD highlight Show Hide Depth Line and press ENTER MARK To change the position of the Depth Line 1 Highlight the Depth Line selection on the Adjustment Bar then press UP or DOWN on the ARROW KEYPAD
120. nter Wo94 4s 402 237 on the ARROW KEYPAD 3 Press ENTER MARK when done To move the waypoint on the map 1 From the Waypoint Edit Page press MENU highlight Move Waypoint on Map and press ENTER GoTo Delete MARK A MOVE label will now appear under the cursor arrow in addition to a distance bearing and coordinate window You may also use the IN and OUT keys to zoom the map The map scale will appear in the lower right corner 2 Use the ARROW KEYPAD to point to the new position and press ENTER MARK If you wish to stop the move process press QUIT or press MENU then highlight Stop Moving Waypoint and press ENTER MARK 3 When done highlight OK and press ENTER MARK to confirm Point to a new location and press ENTER MARK to move the waypoint 41 Reference Waypoint Options Submenu Tabs Waypt By Hame Nearest Proximity Route Track 001 Trip 001 Time Pages P Options Mami Delete Waypoint Menu Sr Delete by Symbol units Delete All Comm __ 0 for Main Menu Celes TOUR4 491 Available 9 Used aa Waypoint List Status 48 Waypoint Submenus The GPSMAP 168 Sounders Main Menu Page features three waypoint submenu tabs By Name Nearest and Proximity that let you manage a large number of waypoints quickly and efficiently The submenu tabs also provide a contin
121. nty and Serial Number iv Capable actpnted et ine tata redoheees V e AE E EE vi How To INGE eoccrnart ieren Enia viii Section One Getting Started 1 19 Keypad Usage Selecting Options Entering Data Initializing the Receiver Power On Off Contrast Backlighting Simulator Description of Main Pages Simulated Tour Section Two Reference nuun 20 79 Status Page and Options 20 Map Page and Options 4 24 Map Page Configuration 29 Sonar Page and Options 34 Sonar Page Configuration 38 Compass Page and Options 4 Highway Page and Options 42 Way DOUG estatus Es emaa phi i a C Er E EAEE E aa Reviewing and Editing 46 Maypoint SC naser cies amen sede oan 48 Nearest and Proximity 50 Going toa Destination 52 M TE E E 54 MOD EEEE E EEEE EEEE 56 NE EE EE EE E E sji C esprito sedans bee vi hae I Reviewing and Editing 60 ACHIVE Rante PASC since hod ane ktgee dane 64 Main Ment PAC6 24 nici ouiutee dieit 65 Tack Tab does bavapates kulede peices 66 Trip Time and Pages Tabs 68 Seem UD e camacdadncensheeeys nay 69 UHI OD 2640n eeu peensseenciaes 70 Communication Tab 2 Ala Deense ay de AEN oe aed 15 Celestial TAD cn c oto biden ddes riria Uf Ge 2e5atandooudewss een ceases 78 Appendix A Loran TD
122. o display four different ways as an Overlay in the Corners with Basic or No Scale Sonar Tab Options e Noise Reject helps filter unwanted noise from the chart The Noise Reject tool can be turned Off set to Auto automatically adjusts for optimum viewing or to a fixed Low Medium or High setting SR Transducer at Surface A When setting the Noise Reject tool the HIGHER the noise rejection setting the unit is Enter positive more likely to NOT show fish or structure number to show depth from bottom of keel Keel Offset allows the user to offset the surface reading for the depth of a keel This makes it possible to measure depth from the bottom of your keel instead of from the transducer s location Enter a positive number to offset for a keel It is also possible to enter a negative number to compensate for a large vessel that may draw several feet of water The Keel Offset will be reflected in the depth reading Transducer at Bottom of Keel a Enter negative number to show e Water Type since sound waves travel through Fresh and Salt water at different rates it is depth from surface necessary to select the Water Type to ensure accurate readings on the unit sca pe Waypt e Remember the unit can be set to remember All of the Sonar settings including the
123. omize the GPSMAP 168 Sounder to fit your requirements You can use the ENTER MARK key and ARROW KEYPAD to select options enter names and numbers in data fields and activate your selections To select and activate an optional feature 1 With any page displayed press the MENU key to pop up the options menu The options menu will display a list of optional features which are specific for that particular page To select any feature on the list of options requires movement of the cursor which is identified as highlighting selecting or choosing an item in a list or a field box on a page 2 Use the ARROW KEYPAD to move the cursor highlight up and down a list or up down and sideways on menus 3 Once you have moved to the selection desired press the ENTER MARK key to either activate the feature or the MENU key to pop up a sub menu or list of yet more feature options Just repeat this process to select an option from the list or press the QUIT key to return to the previous setting The QUIT key will move backwards through these steps or when pressed back to the main page you started on To select and activate a function button 1 When moving about a page with function buttons like the New Waypoint Page you will observe functions such as OK Go To and Delete To activate the function highlight the desired button and press the ENTER MARK key Getting Started Naming a waypoint or placing any sort of data that has
124. on and press ENTER MARK The following options are available on the Status Page Start Stop Simulator allows you put the unit in simulator mode See the Getting Started Tour for more on using simulator mode Track Up North Up allows you to select between a north up or track up sky view display for the Status Page only Loran TD On Ofi allows you to toggle the position coordinate format between latitude longitude and Loran TD Time Delays For setup of Loran TD see pages 80 81 AutoLocate allows the receiver to locate your position automatically This process can take up to five minutes Initialize Position allows you to initialize the receiver graphically on the Map Page to initially help the receiver acquire more quickly See pages 4 5 for instructions on initialization Set 2D Altitude allows you to manually enter the altitude when in 2D Navigation or Simulator mode only Any altitude entered will be automatically calculated when the GPS is in 3D Navigation mode Reference Status Page Options 3D Navigation H Accuracy in Hihi 74 oP Peo pSt Simulator 1a Track Up Loran TD On AutoLocate 16 F Initialize Position 51 Set 2D Altitude menu for Main Menu 9 W094 4 7 941 Status Page Options 23 Reference Map Page Data Fields User Land Waypoint Map aoe MIHEYAHTA 0H THE Bay Item ieee 4 ee Boat Icon eae a x W 4s
125. ontrol Track awm Auto Track 357 Tide Peed Transducer s 0 0 Temp Systm System Tab 69 Reference Units Tab defines Position Format Map Datum Heading and units of measure for Distance Speed Altitude Depth and Temperature Main Menu Units Tab The following settings are available e Position Format is used to change the coordinate system in which a given position reading is displayed You should only change the position format if you are using a map or chart that specifies a different position format or wish to use a format you are familiar with The default format is latitude and longitude in degrees minutes and thousandths of a minute hddd mm mmm The following The Units tab settings will affect how navigation information is displayed on the GPSMAP 168 Sounder When in doubt additional formats are available seek assistance e hddd ddddd latitude longitude in decimal degrees only If you are using a map or chart in conjunction with your ee y a ie he an e a i e p jih e hddd mmsss s latitude longitude in degrees minutes seconds GPSMAP 168 Sounder match that of the map or chart This e UTM UPS Universal Transverse Mercator Universal Polar Stereographic grids information should be displayed somewhere on the map or a l l S l chart If the information is not present contact the map British Grid Dutch Grid Finnish KKJ27 e German Grid or chart maker to determine w
126. oute Truncated An uploaded route from another device has more than 30 points Reduce the number of points Running Simulator The unit is in simulator practice mode 84 Shallow Water Alarm Specified shallow water alarm depth has been detected below transducer Sonar Failed Unit Needs Repair Internal problem with the unit Contact your dealer or GARMIN Customer Service page iv to have the unit serviced Track Already Exists lt track name gt You have entered a saved track name that already exists in memory Modify the track name or delete the previous track name Track Memory Is Full Can t Create Track Track log memory is full No additional track log data can be stored without deleting old data to create memory space Track Truncated A complete uploaded track will not fit into memory The oldest track log points were deleted to make space for the most recent data Transducer Disconnected Sonar Turned Off No transducer attached or bad cable transducer Transfer Complete The unit has finished uploading downloading information to the connected device Water Speed Sensor is Not Working Speed sensor is not detected Check connections Waypoint Already Exists lt waypoint name gt You have entered a waypoint name that already exists in memory Modify the waypoint name or delete the previous waypoint name Waypoint Memory Is Full Can t Create Waypoint You have used all 500 waypoints availab
127. outes TOURS 14 65 H 35 01 287 349 H076 25 085 ECT F rocks Remove Move Next Add Turns Choose Review to display the point details H 35 01 287 349 H076 25 085 h 25 Points Available 5 Points Used Choose Next to center the map on the next point in the route 61 Reference The GPSMAP 168 Sounders Route Edit mode also allows you to insert a new route waypoint in any route leg using the map cursor To insert a new point between two existing route waypoints 1 Use the ARROW KEYPAD to select the leg you want to insert the new waypoint in the route line Editing Routes Route Edit i will highlight and change to a dotted line when the leg is selected and press ENTER MARK H076 30 876 2 Move the cursor to the new map position existing waypoint or map item You will see INS below a the arrow and the route lines will move with the arrow and press ENTER MARK 3 If you are not inserting an existing point press ENTER MARK to confirm the new waypoint S Insert Add Waypoint Allow you to insert a waypoint into the list of route points or add a point s onto the end of the route ra n To insert a point into the route or add a point to the end 25 Points Available 5 Points Used 1 From either the Route Review or Active Route Pages use the ARROW KEYPAD to highlight the Highlight the route
128. owed from the true course before recording a track point Map Pointer 9 9 HN 35 02 036 058 H076 13 887 Distance records track based on a user defined distance between points Value defines the distance or time used to record the track log e Save allows you to save the current active track log e Clear allows you to clear the active track log currently stored in memory For the Saved tab the following menu options are available e Show Map displays the saved track log on a Track Map page You can use the Show Map option to Delete Track deletes highlighted saved track log from memory display a saved track e Delete All deletes all saved track logs from memory Wayet active Saved Route You may also activate a TracBack from any track on the Saved tab Trek eo To activate a TracBack from the Saved tab list 1 Using the ARROW KEYPAD highlight the track you wish to use for a TracBack and press ay Follow Route NAV MOB Follow Track i Stop Navigation 2 The Follow lt track name gt will automatically appear highlighted Press ENTER MARK See 3 Choose either Original which will navigate you from the end to the start of your trip or Reverse Tide 8 Available 2 Used which will navigate you trom the start to the end of your trip and press ENTER MARK The track name w
129. pg 57 Copy Delete Route or Delete All To activate a route with the NAV MOB key 1 From any page press the NAV MOB key then using the ARROW KEYPAD highlight Follow Route and press ENTER MARK If you highlight a route from the Route List or Route Review Page and press NAV MOB the window will automatically display Follow lt the route name gt 2 Highlight the route you wish to navigate and press ENTER MARK 3 Choose Activate or Invert and Activate and press ENTER MARK Activate will use the route as is Invert and Activate will reverse the route then activate it To deactivate stop navigation of a route 1 Press the NAV MOB key highlight Stop Navigation and press ENTER MARK 2 Choose either Yes or No and press ENTER MARK to confirm To copy or delete a route 1 From the Route List using the ARROW KEYPAD highlight the route you want to copy or delete and press MENU 2 Choose either Copy or Delete Route and press ENTER MARK and with OK highlighted press ENTER MARK again to confirm a deletion To delete all routes 1 From the Route List press MENU 2 Highlight Delete All and press ENTER MARK and with OK highlighted press ENTER MARK again to confirm the deletion Reference Route List Page wat GPSMAP TOUR Route track TOUR1 TOURS Trip Time Ma Go To Waypoint sonar Follow Route Systm Fol
130. ppear on the map display at your present position with ENT REF below it 2 Move the cursor to the desired reference point the point that you want to measure from and press ENTER MARK 3 Move the cursor to the point that you want to measure to The bearing and distance from the reference point will be displayed in the data window at the top of the display 4 Press the QUIT key to finish Show Sonar Show Flasher Hide Flasher toggles a split screen showing Sonar or Flasher information on the right side of the Map Page in addition to the map With Show Sonar active the unit will act as a fishfinder showing a graphic representation of fish water depth thermoclines and structure and bottom type and shape In Show Flasher mode the graphic Flasher displays structure and bottom returns much the same as a true Flasher To cycle through the Show Sonar Show Flasher Hide Flasher options 1 From the Map Page press MENU 2 Using the ARROW KEYPAD highlight Show Sonar Show Flasher or Hide Flasher 3 Press ENTER MARK repeatedly to cycle through the options You will see the Sonar or Flasher information appear on the screen behind the menu window on the right side of the display 4 Press QUIT when you have the desired setting to return to the Map Page Resize Map enables width adjustment of the Map and Sonar Flasher split screen This option is only available when the unit is in Show Sonar or Sho
131. presses and alarms messages PE ste GPS Page Jump To e Speed Filter averages speed readings Choose from Off Auto automatically controls filtering f Z hap Pese or On allows you to enter a value from 1 to 255 seconds Time y Sonar Page Jump To e Language select from 11 languages for the unit s on screen display ms V Compass Page _Jump To e System Mode select from Normal normal navigation Simulator for practice ONLY Sounder V Highway Page Jump To Only or GPS Only Active Route Page Jump To f omm Track Control Auto Track will steer to the current navigation point User Track allows you to Celes Then the Pase Oult key eyole enter a heading in the Track field 7 THe Joe To buttons take you i Speed lets you enter a speed Pages Tab e Track lets you enter a heading e Set Position allows to set your location while in simulator mode See page 11 starting with step 2 for additional instructions waypt These fields will only appear when the unit is in Simulator Mode Route Beever Track Off The following options are available by pressing MENU from the Systm tab r e Restore Garmin Setup restores all settings to Garmin original setup values for the entire unit ian English Sonar Software Version displays the unit s software basemap version and serial number Em pere Comm Track C
132. r Alarm csssicnssecsamcetmecass 75 Signal Strength Bars 0 eee 5 20 O e E 7 69 Software Versiot seseorcsianena neien 69 Sonar Configuration 38 40 DOMAIN ACC eio 8 14 15 34 35 Sonar Page Options i cccrareantaanecasatin 36 40 Sonar Understanding 100 104 DOME 7 OOM DEEE TEE 15 34 35 SPS CHICAIONS shacaseuneyacesadeseieauntoeaecuet 89 Speed Distance and Altitude 71 5 0 E ET eee ere ee ee een 69 Split Screen Resizing 0 4 28 29 37 Stats PACS ve ontonssinscinuondicnunaieanven 5 8 20 21 Status Page Options creer 22 23 Sunrise Sunset fc sscucoviverntuadenten 63 64 77 Symbols Waypoint System Mode ys seriesssasievsdensueeirdoremnrvaretenlie T Table ol COnteniS anserino sin vii MS I E ernie 71 Thermoclines 0 ccecceeeeeeee 14 34 104 Tao OIN seeen 78 79 Tide Page Setii S anernneniaes 78 79 Time Daylight Savings 0 0eee 68 Wiaatca ge waal E tre re teen inrr nerves 68 Tae O E rac ansecseccensecapteceeeteneorseoteans 82 To ONG edie 68 WAC aCe aerate sececd 54 55 67 Track Log Clearing 0 00 19 54 67 Track Log Deleting se ccctcescesssnesterstrestentee 67 Track Log Displaying 30 43 55 Tack Lor SA cisse 54 67 Track Log Showing on Map 30 43 55 67 TAR p eee 66 67 MRAM CINC C15 aS 93 97 Tip and Fuel PINNING c chsetoneacndereesabonse 63 PpP Odon E artn n 68 Tap L operne R 68 U TNS Setting eae agtec
133. r exact path as closely as Total in bites op aa possible To get the most out of the TracBack feature remember the following tips Dienne Unit l options e Always clear the track log at the point that you want to go back to dock etc Aer Celes The Record Mode option on the track log setup page must be set to Fill or Wrap Tide _ Available 3 Used e There must be at least two track log points stored in memory to create a TracBack route e Ifthe track log interval is set to the Time option the route may not follow your exact path keep the Check this box to display track interval set to resolution for best performance e If the receiver is turned off or satellite coverage is lost during your trip the TracBack will draw a Seats aa O i k n straight line between any point where coverage was lost and where it resumed J w A e Tf your track logs changes in distance and direction are too complex 30 waypoints may not mark Sate your path accurately The receiver then assigns the 30 waypoints to the most significant points of Fn Ta hasmaina your track and simplifies segments with fewer changes in direction There are no saved Tracks to follow ok To stop TracBack navigation 1 Press the NAV MOB key highlight Stop Navigation and press ENTER MARK 2 Choose either Yes or No and press ENTER MARK to contirm You must first save a track be
134. receiver tracks and uses up to 12 satellites for fast accurate positioning Differential Ready just add an optional GARMIN beacon receiver for better than 5 meter accuracy Fully gasketed high impact plastic alloy case waterproof to IEC 529 IPX 7 Advanced Navigating and Plotting 500 alphanumeric waypoints with selectable icons Built in Americas basemap to 20 miles includes detailed ocean river and lake coastlines cities interstates US state highways and local thoroughfares 20 reversible routes with up to 30 waypoints each Uploadable maps up to 2 5 Megabytes of data using GARMIN s MapSource PC products Coordinates Lat Lon UTM UPS Loran TD plus 9 grids including Maidenhead TracBack route feature which allows you to quickly retrace your track log to a starting position Built in simulator mode Superior Fishfinding Ability Whiteline feature provides a clear image of both bottom hardness and structure See Thru technology which helps separate fish returns from thermoclines and structure Four zoom levels with a moving view window Underwater waypoint marking Map Sonar split screen combines navigation and fishfinding information Fish and depth alarms Introduction Packing List GPSMAP 168 Sounder Standard and Optional Transducers Unit part numbers 010 00199 00 and 010 00202 00 include a 200 kHz 20 degree plastic depth and temp transom mount transducer P N 010 10118 00 For a complete list of optional transducers s
135. rs the entire United States and the U S Coastal Confluence Zone From the perspective of a mariner the system is used for ocean and coastal navigation It can be used as a supplemental system for harbor and harbor approach navigation and it is used for inland navigation by recreational vehicles Loran TD Feature The Loran TD Time Delay feature eases the transition from using Loran to using GPS The GPSMAP unit automatically converts GPS coordinates to Loran TDs for those who have a collection of Loran fixes for favorite fishing spots and other waypoints recorded as TDs You can display your position as a TD or enter waypoints as TDs The accuracy to be expected from this conversion is approximately 30 meters When the unit is placed in the Loran TD format mode it simulates the operation of a Loran receiver Position coordinates may be displayed as TDs and all navigation functions may be used as if the unit was actually receiving Loran signals Using the Loran TD Format When creating new waypoints using Loran TD coordinates you must set the correct Loran chain number and secondary stations in the Setup TD field before storing the waypoint After the waypoint is stored in unit memory it will always reference the Loran chain number and secondary stations currently selected in the Setup TD field If you enter a different Loran chain number change the secondary stations or offsets in the Setup TD field the active waypoint information will reflec
136. s lets clear out the track log you created during the simulated tour This will ensure that you have a clean slate once you start navigating in your home waters To select the Track submenu tab 1 Use the ARROW KEYPAD to highlight the Track menu tab You will see the options for the Track tab appear to the right of the Main Menu list 2 Press to the right one time on the ARROW KEYPAD and you will see Active highlighted The Track Log Page allows you to specify whether to record a track plot define how it is recorded and save your current track log It also provides both an indicator of the percentage of total memory used and the individual options to save or clear the active track log To clear the active track log 1 Highlight the Clear option and press ENTER MARK A confirmation page will appear 2 Highlight the OK prompt and press ENTER MARK to confirm 3 Press PAGE or QUIT to return to any of the main pages Congratulations You ve now gone through the basic operation of the GARMIN GPSMAP 168 Sounder Your new digital chartplotter is a powerful tool with many advanced features not covered in the Getting Started tour For detailed instructions on using these features or performing a specific task please refer to the Quick Reference Guide or the appropriate reference section of this manual To turn the GPSMAP 168 Sounder off 1 Press and hold the POWER key for about 2 seconds until the screen is blank 2
137. s are operated by the U S Coast Guard or similar government agency in other countries which is responsible for their accuracy and maintenance For DGPS transmitter problems or to find the most updated list of frequencies and coverage areas contact your local USCG or see their web site at http www navcen uscg mil Status Field The SNR and Distance fields will 74 show data when a signal is received Alarm Tab allows you to turn an alarm On or Off and define the alarm setting for Anchor Drag Reference Arrival Off Course Clock Shallow Water Deep Water Fish and Battery e Anchor Drag sets an alarm to sound when you ve exceeded a specified drift distance Enter a Main Menu distance up to 9 99 miles or kilometers in the distance field and use the control field to turn the Alarm Tab alarm on and off e Arrival sets an alarm to sound when youre a specified distance or time away from a destination ______ waypoint Enter a distance radius or time for sounding the alarm and use the control field to set the Fonte Anchor Dras Off 0 00 alarm to Off Dist Distance or Time Trip Arrival Time 00 00 15 l Time off Course Off 0 00 e Off Course sets an alarm to sound when you re off a desired course by a specified distance i z Enter a distance from 0 to 99 99 units in the distance field and use the control fi
138. se of the unit To acknowledge the warning 1 After reading the warning press the ENTER MARK key if you agree To graphically initialize the GPSMAP 168 Sounder 1 2 From the Satellite Page press the MENU key The Satellite Page options menu window will appear Using the ARROW KEYPAD highlight Initialize Position and press ENTER MARK to initialize the receiver from the built in worldwide map The Initialize Position Page will appear prompting you to select your approximate location with the map cursor Use the ARROW KEYPAD to move the map cursor and point to your approximate location within 100 miles If you have difficulty identitying your position press and release the IN key to zoom in to see the next lower map scale Once you have determined your approximate location on the map press the ENTER MARK key This does not calibrate the unit in any way but rather helps to speed up the initial satellite acquisition If the unit switches to the Map Page or displays 2D or 3D Navigation during this process it is not necessary to initialize the unit The GPSMAP 168 Sounder will now begin searching for the appropriate satellites for your region and should acquire a fix within a few minutes A signal strength bar for each satellite in view will appear on the top middle of the page with the appropriate satellite number under each bar The progress of satellite acquisition is shown in three stages No signal s
139. specified distance range Antenna Input Shorted To Ground Check antenna wiring connections or antenna replacement Approaching Waypoint You are a specified alarm distance from a destination waypoint Arrival At Waypoint You have arrived at the destination waypoint Basemap Failed Unit Needs Repair Internal problem with the unit Contact your dealer or GARMIN Customer Service pg iv to have the unit serviced Battery Alarm Specified amount of input voltage has been detected Battery Voltage High Please Check Connection Input DC voltage is too high for unit Battery Voltage Low Please Check Connection Input DC voltage is too low for unit Boat is Not Moving Fast Enough to Calibrate Speed wheel is not turning Check for debris or boat speed is too slow Appendix C Messages Database Error Internal problem with the unit Contact your dealer or GARMIN Customer Service pg iv to have the unit serviced Deep Water Alarm Specified deep water alarm depth has been detected below transducer Lost Satellite Reception The unit has lost satellite signals Check antenna connections or try moving to a location with a clear view of the sky Memory RAM Failed Unit Needs Repair Internal problem with the unit Contact your dealer or GARMIN Customer Service pg iv to have the unit serviced Memory ROM Failed Unit Needs Repair Internal problem with the unit Contact your dealer or GARMIN Customer S
140. ss ENTER MARK To add a new waypoint to the route use the arrow cursor to select the desired map position and press ENTER MARK Press ENTER MARK again to confirm the new waypoint You may also change the name and symbol of the new waypoint see page 47 As you add each new waypoint to the route the data window at the top of the map display will show the waypoint map item name bearing and distance from your location and coordinates of the cursor The bottom of the display will show you the number of available and used points A route line will appear on the map to indicate each completed leg and a dotted line will appear to indicate the distance and bearing to the arrow cursor trom the last route waypoint Repeat steps 4 and 5 until you have finished defining all route waypoints When finished press MENU highlight either Edit as Text to return to the Route Review Page or Stop Editing Route or press QUIT to return to the Route List Page and press ENTER MARK Route List Page The GPSMAP 168 Sounder Route List Page displays all the routes currently stored in memory along with a descriptive name for each route Once a route has been created it can be activated and used for navigation with the NAV MOB key A route may be followed in the same sequence as it was originally created or you can invert the route and navigate from the end waypoint back to the beginning waypoint From the Route list menu you may choose New Route
141. t 5 Use the ARROW KEYPAD to enter a distance value to 99 99 units and press ENTER MARK Ti Pe a s r OCSE sy OQ for Main Menu ur 002 a BAIT ce FISH Tia S E lae S Select Waypoint Screen 51 Reference Proximity Alarms Proximity Circle Proximity Waypoint A dashed circle will appear showing the alert boundary for the proximity waypoints 52 To turn proximity alarms on or off 1 Use the ARROW KEYPAD to highlight the field below Proximity Alarm and press ENTER MARK 2 Select the desired ON or OFF setting and press ENTER MARK To clear one or all proximity waypoint s from the list 1 Use the ARROW KEYPAD to highlight the proximity waypoint to clear and then press the MENU key 2 To clear a single alarm highlight the Clear Alarm field and press ENTER MARK 3 To clear all proximity waypoints select the Clear All option and press ENTER MARK 4 Use the ARROW KEYPAD to highlight the OK prompt and press ENTER MARK to confirm Going to a Destination Using the NAV MOB key the GPSMAP 168 Sounder provides four ways to navigate to a destina tion Go To Waypoint Follow Track TracBack MOB Man OverBoard and Follow Route navigation Once you are actively navigating you will see a straight line that always runs from your current location to the destination The easiest method for selecting a destination is the Go To function which l
142. t Generally speaking if the only thing between the transducer and the bottom is water the first strong return will come from the bottom directly below the transducer The first strong return sets the bottom level Weaker secondary returns provide the detailed data Stronger returns will display in darker colors black being the strongest return In Example 2 page 102 you can see that the branches and the fish where the strongest secondary returns are indicated in black on the display That is brief description of how your GPSMAP 168 Sounder operates Lets take a look at how this data can help you to improve your fishing Transducer Coverage The area covered by the transmitted sound waves is determined by the cone angle of the transducer and the water depth Using GARMIN s standard 20 transducer the coverage is approximately 1 3 of the water depth As shown is Example 1 the coverage area at a 30 foot depth is approximately a 10 foot diameter circle The scale below illustrates how coverage increases as depth increases Coverage Diameter _____ ee Depth 3 P aT 15 Le O 10 30 Example 1 Appendix H Transducer Coverage Coverage Diameter 8 Transducer Coverage Chart 101 Appendix H Understanding the Chart Enlarged Transducer View Branches Remember that the Fishfinder displays a 2D picture of the underwater environment The fish and tree could be located anywhere i
143. t below 2 Use the ARROW KEYPAD to highlight the symbol of the waypoint s to be deleted and press 4 Repeat this until the name appears Press ENTER MARK ENTER MARK when you see the name 3 Press ENTER MARK to confirm You may also choose Cancel or press QUIT to stop the deletion 5 Highlight the name on the list and press ENTER MARK s ee again to review the waypoint To delete all waypoints or the entire waypoint list SE O TENUE ie WD 1 Press the MENU key to select the options window 2 Use the ARROW KEYPAD to highlight Delete All and then press ENTER MARK 3 Highlight the OK prompt and press ENTER MARK to confirm 49 50 Reference Nearest Proximity Waypoint Lists Waypt By Hame IIA Proximity Route Waypoint Brg Dist tip TOURS 308 1 0 time TOUR2 182 1 8 Pases ROCKS 045 1 9 SHIPWRECK 264 1 9 systm OUR4 001 3 6 units PILE 338 3 6 Comm TOURI 190 4 0 BAIT 327 10 2 Tide OWIM 303 10 3 FISH 014 11 5 Nearest Waypoint List Waypt By Name Nearest rsanis Route proximity Alarm Track Trip On Time Waypoint Distance Pases SHIPWRECK 0 40 ROCKS 1 00 sam PILE 0 25 Units em ee COMM ee eee m Alarm e e n Celes n D mem N aaa Proximity Waypoint List Nearest Waypoint List The second waypoint submenu list available from the Waypr tab is the Nearest list which shows t
144. t is selected additional fields are provided to control a GARMIN differential beacon receiver directly from your GPSMAP 168 Sounder You may have the unit automatically scan for the DGPS beacon signal or you can enter the beacon frequency and bit rate on the unit and the information will be used to tune the beacon receiver To have the unit automatically scan for a frequency 1 With the unit set to Garmin DGPS or RTCM In NMEA Out use the ARROW KEYPAD to highlight the Beacon field and press ENTER MARK 2 Highlight Scan and press ENTER MARK The numbers in the Frequency field will change as the unit scans from 284 kHz to 325 kHz 200 bit rate then 100 at 6 second intervals To restart the scan 1 Press MENU highlight Restart Scan and press ENTER MARK Reference Main Menu Comm Tab Waypt p Ba Serial Data Format Track Garmin Data Transfer Trip Transfer Mode Time Pages Map Sonar Request Almanac m Request Proximity Comm Request Routes Alarm Request Tracks Celes Request Waypoints Tide Send Almanac Y Comm Tab Transfer Modes pm Serial Data Format Track Trip Baud Status Time 4800 Scanning Pages 5 Beacon Bit Rate Frequency Sonar can 200 300 0 Systm SHR Distance Units tf Cm Comm Alarm Celes Tide 7 o The unit can automatically scan for a DGPS signal 73
145. t those changes Since the GPSMAP unit does not rely on the Loran signal for navigation it can reference a different GRI chain and or secondary stations and still navigate to the location stored in memory The Loran Position Format field is located under the Units tab in the Main Menu The Loran TD Setup window contains the fields to select the Loran GRI Chain Number Primary and Secondary Stations and TD Offsets When inputting Loran coordinates you must have the correct chain number secondary Appendix A station identifiers first and second and proper map datum available for the TD coordinates you input into the GPS unit For better position accuracy navigate to the Loran TD Setup Loran point then re mark the point with a GPS unit in LAT LON format 7 n EN Position Format To setup Loran TD from the Main Menu Foute Loran TD Setup 1 Using the ARROW KEYPAD highlight the Units tab and then the Position Format field and ie Coran TD Setup press ENTER MARK Page Loran Chain Number Mop 54 MR Sond Tp Station 1 TD Offset 1 Syst 2 Highlight Loran TD press ENTER MARK then highlight Setup and press ENTER MARK 3 To change the settings of any of the five fields highlight the field press ENTER MARK select enter Unit ram TE Station2 TD Offset 2 the desired setting and press ENTER MARK er Y 4 When done press the QUIT key to return to the Main Menu Ti
146. tance to the second route waypoint and a pointer which shows you which way to go To get started lets enter a speed for our bere vessel which we can do from the Main Menu Page rr Speed Filter To enter a boat speed ime Auto Pages Language 1 Press the MENU key twice to display the Main Menu Page C l 2 Use the ARROW KEYPAD to highlight the Systm tab then press RIGHT then DOWN until the field units Simulator Set Position below the word Speed is highlighted and press ENTER MARK Comm Track Control Track aam Auto Track 357 3 Use the ARROW KEYPAD to enter a speed of 60 knots Speed Transd 0 0 Temp 4 Press ENTER MARK to finish and QUIT until you return to the Map Page The Set Position Track Control Once a speed has been entered you ll notice that the map will automatically begin to move slowly Track and Speed fields only show keeping your boat centered on the display The direction of movement also called track will be 12 while in simulator mode controlled by the simulator You ll now have a clearer picture of the route you are navigating Keep in mind that whenever you do exceed the usable range of the built in database or the optional MapSource data in use the range field will display overzoom or NO MAP to indicate that you should exercise extreme caution using the map data Press the IN key to zoom into the 2 nm scale Now that you ve zoomed in a little closer
147. tations around the USA coastline Alaska Hawaii western Canada and several of the Caribbean islands The top of the page displays the tide station being referenced below that the date The top of the chart shows a 24 hour block of local time LCL for your position with the reported station time STA appearing at the bottom Daylight light bar and nighttime dark bar show across the time scale with the time progressing from left to right Local time scales and sunrise sunset info may not be available for a few stations The solid light vertical lines are in 4 hour increments and the light dotted vertical lines are in 1 hour increments A dark vertical line with arrows at the ends of the line will indicate the time of day when using current date and will intersect the tide graph to show their relation _ tl Em 11 _3 i Local Time Y 0 8 Day Max Level Current Time eta 4 High Tide Curve Current Tide Height Low Tide Curve MLLW Min Level o s Night ST4 EEE Stes tie 1 134 0 8 _ 12 434 0 8 Station Time gs25 og 07158 01 Event Times The tide curve shows as a shaded area with higher tides being taller and lower tides shorter The dark horizontal line with arrows at the ends of the line indicates the current tide height The figure to the left of the line will show the current tide level in feet The Mean Lower Low Water MLLW appears as a solid vertical line near the bottom of the c
148. te a 2D or 3D status The unit will then update the position date and time You can use the sky view to help determine if any satellites are being blocked and whether you have a current position fix indicated by a 2D Navigation or 3D Navigation in the status field The sky view shows a bird s eye view of the position of each satellite relative to the receiver s last known position The outer circle represents the horizon north up the inner circle 45 above the horizon and the center point a position directly overhead You can also set the sky view to a Track Up configuration causing the top of the sky view to align along your current track heading Receiver Status Accuracy and DOP Reference Receiver status is indicated at the top field of the page with the current Accuracy and Dilution Of Precision DOP to the right of the sky view DOP is an indication of satellite geometry quality measured Status Page on a scale of one to ten lowest numbers the best highest numbers the poorest Accuracy uses DOP and other factors to calculate horizontal position accuracy in feet or meters The status field will show one of the following conditions e Looking For Satellites the receiver is looking for any satellites e AutoLocate the receiver is looking for any satellite whose almanac has been collected This process can take up to five minutes e Acquiring Satellites the receiver is looking for and collecting data
149. tes Send Tracks and Send Waypoints Garmin DGPS used to connect the GPSMAP 168 Sounder with a Garmin DGPS beacon receiver NMEA In NMEA Out supports the input output of standard NMEA 0183 version 2 3 data Text Out outputs simple text ASCII output which contains time position and velocity data RTCM In allows DGPS input using a standard RTCM format without any output capabilities RTCM In NMEA Out allows Differential GPS DGPS input using a standard RTCM format and also provides NMEA 0183 version 2 3 output RTCM In Text Out allows Differential GPS DGPS input using a standard RTCM format and also provides simple text ASCII output which contains time position and velocity data output None provides no interfacing capabilities To select an input output format 1 2i Highlight the Serial Data Format field and press ENTER MARK Use the ARROW KEYPAD to select the desired setting and press ENTER MARK To select a transfer mode 1 Use the ARROW KEYPAD to select Garmin Data Transfer in the Serial Data Format field 2 Highlight the Transfer Mode field and press ENTER MARK 3 Use the ARROW KEYPAD to select the desired setting and press ENTER MARK To restore the Serial Data Format settings back to the default Garmin Data Transfer 1 From the Comm tab press MENU highlight Restore Defaults and press ENTER MARK If Garmin DGPS or RTCM In NMEA Out forma
150. th W082 40 537 ay cih sk i jc AEF AIR VIEW LANES Sh S M GoTo __ Delete Creating a New Map Waypoint Jm Using Built In Basemap TU el Mapsource Using MapSource Data F Lm PLIC k i 26 Overzoom no additional data To eliminate the cursor and re center your position on screen 1 Press the QUIT key The cursor may also be used to create new waypoints directly from the map To create a waypoint with the cursor 1 Use the ARROW KEYPAD to move the cursor to the desired map position 2 Press the ENTER MARK key and the New Map Waypoint Page will appear 3 Press ENTER MARK to confirm the new waypoint using the default three digit name and symbol Selecting Map Scales The map display has 24 available range scales from 120 ft to 800 mi 30 mt to 1200 km The map scale is controlled by the IN and OUT keys with the current scale displayed at the bottom right of the data window To select a map scale 1 Press the OUT key to zoom out and the IN key to zoom in A The scale value represents the distance from one end of the scale bar to the other The GPSMAP 168 Sounders system has a built in worldwide database to 20 mi with more detailed coverage available through the use of the optional MapSource software The GPSMAP 168 Sounder will display cartography as long as there is chart information available for the range you ve selected Map coverage will conform to the following conditions e When
151. the ARROW KEYPAD to move the cursor in an up down left or right direction As you move the cursor the distance and bearing from your present position to the cursor will be displayed in the data window along with the cursors position coordinates Keep in mind that when the cursor is stationary the distance and bearing from your present position will change as your boat moves The cursor may also be used to snap to on screen waypoints and map items allowing you to review a selected position directly from the map display To select an on screen waypoint or map item with the cursor 1 Use the ARROW KEYPAD to move the cursor to the desired waypoint or map item if there are several waypoints grouped closely together zoom in closer for a better view 2 When a waypoint or map item is selected it will become highlighted on screen with the name and position displayed Reference Map Page Cursor SPEED JDISTTONERT POINT k n m Sass Coronado 2029 H 32 40 730 H117 10 151 Move the cursor over an item on the map to highlight it Small City Coronado Small City Coronado DO OK Go To Create Waypoint Pressing ENTER MARK while highlighting a map item will bring up additional details and options 25 Reference Map Page Cursor and Zooming New Map Waypoint 003 N 41 30 964 Dep
152. the boat to Trip lt a Time cruising speed Note Pose your top speed then Map stop the boat and Sero press ENTER ystr Units Cancel ee Comn Top Uncalibrated dlarn Top Celes Ground Speed Water Speed Water a Sensor Is Not Working ENTER An error message will appear if the speed sensor is not working or not installed To calibrate the water speed 1 From the Sonar tab use the ARROW KEYPAD to highlight Calibrate Water Speed and press ENTER MARK 2 Bring the boat to a cruising speed Both the top ground and uncalibrated water speeds will be shown at the bottom of the calibration window Note your top speed then stop the boat and press ENTER MARK 3 By default the top ground speed will automatically show in the What was your top water speed field If a ground speed is not available the top uncalibrated water speed will be used instead If the new speed is correct highlight OK and press ENTER MARK If you wish to manually enter a calibration press ENTER MARK on the speed field enter a new speed and press ENTER MARK 4 You may also press MENU from the calibration screen and choose Use Top Ground Speed to default back to ground speed or Use No Calibration to use the speed sensor s uncalibrated speed will see a Boat Is Not Moving Fast Enough To Calibrate message at the bottom of the If the boat is not moving fast enough or the speed sensor is not outputtin
153. ting knobs through the bracket and into the display case The Mounting Bracket is designed to be secured using a Ul 6 Connect the power data and antenna cables external antenna only to the back of the unit making flat head screw If you use a screw with a countersunk sure the locking rings are fully tightened on both connectors head you risk damaging the Mounting Bracket 91 Appendix G Wiring and Interfacing If your boat has an electrical 10 18 Volt Boat Supply system it may be possible a i to wire the unit directly to 3 an unused holder on your Install lb current fuse block If you are 2 Amp using the boat s fuse block Fuse J remove the in line fuse holder 4 S supplied with the unit jai If your boat does not have a fuse block the unit can be a a wired directly to the battery Cau Make sure the 2 Amp in line fuse supplied with the unit is Black Wire 7 I installed Red Wire Complete information concerning NMEA formats and sentences is available for purchase from NMEA at NMEA PO Box 3435 New Bern NC 28564 3435 252 638 2626 92 252 638 4885 FAX Connecting the Power Data The power data cable connects the GPSMAP 168 Sounder to a 10 18 volt DC system and provides interface capabilities for connecting external devices The color code in the diagram below indicates the appropriate harness connections Replacement fuse is a AGC 3AG 2 Amp fuse H To
154. tment and Line Depth Line of the unit The View setting will only display when the Sonar Page is in split screen mode The Line setting will appear only when the Depth Line is activated To select a setting from the Adjustment Bar 1 Using the ARROW KEYPAD place the highlight white bar over the desired selection by pressing RIGHT or LEFT on the ARROW KEYPAD and the current setting will be displayed in the highlight If you wish to review the available settings before making a change press ENTER MARK to activate the adjustment list To immediately change the setting press UP or DOWN on the ARROW KEYPAD 2 With the ARROW KEYPAD move UP or DOWN and place the pointer or adjustment bar at the desired setting or range 3 To change View to Auto or Line to Off hold UP or DOWN on the ARROW KEYPAD until the adjustment bar reaches the top or bottom of the scale release then press once more in the same direction 4 You may press QUIT or ENTER MARK to accept the setting and return to the Sonar Page You may also press RIGHT or LEFT on the ARROW KEYPAD to accept the setting and move to the next Adjustment Bar setting The available Adjustment Bar options are Range sets the display depth range used for viewing The unit can be set to automatically track the bottom or set to a user specified depth range e Zoom used to quickly select a display zoom scale or to split the display When a scal
155. to your route you can pan ahead of your vessel with the cursor to review map items and create on screen waypoints Try moving the cursor to highlight the TOUR3 waypoint just use the ARROW KEYPAD to move the cursor as close as possible to the waypoint To move the cursor in small increments try a series of short key presses Once the cursor is over the TOUR3 waypoint you ll notice that the waypoint symbol and name will become highlighted The data field at the top of the page will display the waypoint name the range and bearing from your present position and the coordinates for the waypoint To review the waypoint page for a selected waypoint 1 Press the ENTER MARK key 2 To return to the Map Page press ENTER MARK again or press QUIT The cursor can also be used to create new waypoints right from the map display To create a new waypoint using the cursor 1 Use the ARROW KEYPAD to move the cursor as close as possible to the following position N35 02 151 W 076 26 084 Use the data window to verify the cursor position 2 Press the ENTER MARK key to capture the cursor position 3 Use the ARROW KEYPAD to highlight the waypoint symbol field to the left of the waypoint name number 4 Press ENTER MARK to access the symbol list 5 Press UP or DOWN on the ARROW KEYPAD to select the Shipwreck symbol and press ENTER MARK to confirm 6 Highlight OK at the bottom and ENTER MARK again to finish
156. trength bars the receiver is looking for the satellites indicated Hollow signal strength bars the receiver has found the indicated satellite s and is collecting data Solid signal strength bars the receiver has collected the necessary data and the satellite s are ready for use Once the receiver has collected information from at least three satellites the top of the screen will display either 2D or 3D Navigation and the GPSMAP 168 Sounder is ready for use Getting Started Initializing the Receiver Initialize Position LAR GOSCARELANDE MELBOURNE a FAFORT LAUDERDALE 4 BAHAI L ANDROS Is South 4 30h AVANA CANFAS e Point to your approximate location and press ENTER Point to your approximate location and press ENTER MARK Looking for Satellites Accuracy 15 n 07 J B W E oz 04 97 08 09 14 A satellite s strength bars will turn black when its ready for use Getting Started Power On Screen Contrast Light Contrast T To adjust the screen contrast press LEFT or RIGHT on the ARROW KEYPAD to move the contrast slider GPSMAP 168 Sounder Getting Started Tour The GARMIN GPSMAP 168 Sounder is a powerful electronic navigation and depth sounding system that provides detailed map coverage and convenient control of many advanced features right from the screen display This tour is designed to take you through
157. uously updated nearest waypoints list and a proximity waypoint alarm function that can be used to define an alarm circle around submerged hazards shallow waters etc To access the Main Menu Page Waypoint Waypt submenus 1 Press MENU twice then highlight the Waypt tab using the ARROW KEYPAD then highlight the desired submenu tab By Name Waypoint List The first waypoint submenu list available from the Waypt tab is the By Name list which displays a master list of all waypoints currently stored in memory From the By Name list you may review edit rename or delete individual waypoints or delete all user waypoints The total number of stored and available waypoints is displayed at the bottom of the By Name tab with the stored waypoints arranged in numerical alphabetical order The following options are available from the By Name submenu of the Waypt tab e New Waypoint creates a new waypoint Delete Waypoint deletes selected waypoint from list AND any route in which it was used Delete by Symbol deletes all waypoints that use the same symbol Delete All deletes all waypoints from the unit Once a waypoint is deleted from the list it cannot be recovered from the unit It is advisable to backup important waypoints to a computer using an optional PC cable and interface software or record them manually To display the waypoint menu options Reference 1 Using the ARROW KEYPAD
158. vigation status Now you re ready to continue the rest of the simulated tour Keep in mind that the GPSMAP 168 Sounder does not track satellites or show actual sounding data in simulator mode and this mode should never be used for actual navigation or depth sounding All the waypoint and route planning done in simulator mode will still be retained in memory for future use Getting Started Backlighting Simulator Mode Light Contrast ey I B Press UP or DOWN on the ARROW KEYPAD to move the backlighting slider up for brighter or down for dimmer backlighting Simulating Navigation Accuracy f hie 05 1 U E gz p 02 o4 os o O8 os 04 2 0 DGPS Revr Off za H DGPS SHR 14 EER 15 FEB 00 04 03 24 N 38 91 330 W094 4 7 958 When the unit is in simulator mode an S will appear in the lower left corner of every screen and the Satellite Page will show Simulating Navigation The Status Page is one of six main pages used in the GPSMAP 168 Sounders system The six main pages are the Status Page Map Page Sonar Page Compass Page Highway Page and Active Route Page All six pages are linked together in a simple chain which allows you to scroll through the pages in Status Page Map Page either direction using the PAGE and eae 3D Navigation 10 0 4 0 24 01 10 0 0 024 epSiap TOUR Getting Started TRACK
159. w Flasher mode You may adjust the size of the Sonar Flasher window anywhere from 1 3 to 1 2 width of the right half of the Map Page To resize the Map Page split screen Reference 1 From the Map Page and Sonar Flasher split screen press MENU 2 Using the ARROW KEYPAD highlight Resize Map and press ENTER MARK Map Page Options 3 Move the horizontal double arrow LEFT or RIGHT using the ARROW KEYPAD until the desired vertical width line shows then press ENTER MARK ie 0 aiiai ia 4 Ifyou wish to cancel this operation press QUIT or press MENU highlight Stop Resizing and 7 E Te press ENTER MARK gE New Configure Map allows you to configure the map display to your preferences including map detail map orientation automatic zoom and various map items and points The map configuration option uses a file tab feature making it easier to organize the various settings for ease of use The following Cronk table lists the file tabs and the settings available under each tab Size General Detail Orientation AutoZoom S B MapS uae oe ap ource Move the double arrow left or right Points Waypoints Active Route Marine Navaids l to adjust the size of the Sonar or Line Saved Tracks Track Log Active Route Lat Lon Grid Hiei Geo Geo Points Rivers Lakes Park Areas Topo Major Medium Minor Contours Land Cover EEATT Source Points Line Geo T Other
160. with the cursor you ll see that the map display actively scrolls or pans letting you explore areas around the world and create waypoints and routes Wherever you move the cursor you ll always be just one QUIT keystroke away from returning the map to your present position Now that you ve seen how the Status and Map Pages can be used to monitor satellite acquisition and your present location lets take a minute to learn how to mark and store your present position as a waypoint Since you re in simulator mode the present position displayed will be the last position calculated by the receiver which should be the spot where you ve initialized the unit This will also give you an opportunity to see how the GPSMAP 168 Sounders keypad and ENTER MARK key are used for data entry and changing the waypoint name and symbol Getting Started Map Cursor EED TIME OF DAY 0 0 OS 48 1 t amp T JU H f Current position SPEED DIST TO NEXT POINTER Distance Map Pointer 1302 Bearing Map Cursor Cursor Coordinates 9 Getting Started Marking Waypoints New Waypoint DOCH N 29 36 861 Depth W094 59 899 0 0 fp pean _ HOUSTON YACHT CLUB Press ENTER MARK after entering the name 7 New Waypoint H Anchor N H za Beach Boat Ramp ime Bridge Buoy 4 Campground Ti e Car O Controlled Area yeor amp
161. y affect the boat s performance and put the transducer at greater risk of striking underwater objects 97 Appendix G GPSMAP 168 Sounder Portable Secure the GPSMAP 168 Sounder to the boat using the provided eyelets 98 The Portable Case The Portable Case is designed for rugged use and provides storage for the Battery Pack the Portable Suction Cup Transducer and a mount for the GPSMAP 168 Sounder A Use the two square eyelets located by the handle to secure the GPSMAP 168 Sounder Portable Case to the boat The case is water resistant but is not designed to float in the event it should go overboard The Suction Cup Transducer Using the Portable unit you will still need to find a suitable location for the transducer If you are in a slow moving boat such as a canoe or flat bottom boat the mounting location is not as critical Follow these simple guidelines and you should be fine To install the suction cup transducer mount 1 Look for clean non turbulent water 2 Mount the transducer with approximately 1 2 extending beyond the bottom of the boat 3 Do not mount the transducer behind strakes on the bottom of the boat or in the path of a prop 4 Ifyou experience poor reception try another location N WARNING Speeds in excess or 20 MPH may cause the transducer to fly off and strike occupants of the boat When storing the Suction Cup Transducer in the case dry the transducer and cable to avoid Appendix G
162. y any person or organization of such changes Visit the GARMIN website www garmin com for current updates and supplemental information concerning the use and operation of this and other GARMIN products January 2001 Part Number 190 00170 00 Rev B Printed in Taiwan Introduction Foreword GARMIN Autolocate See Thru DCG Depth Control Gain and TracBack are registered trademarks and MapSource is a trademark of GARMIN Corporation and may not be used without the express permission of GARMIN Corporation Introduction Preface and Registration Why should you register your GARMIN GPS unit e Notification of Product Updates e Notification of New Products e Lost or Stolen unit tracking Preface Congratulations on choosing one of the most advanced depth sounding and marine navigation systems available The GARMIN GPSMAP 168 Sounder utilizes the proven performance of GARMIN GPS and full featured depth sounding and mapping to create an unsurpassed marine navigation chartplotter and fishfinding package To get the most out of your new navigation and sounding system take the time to go through this owners manual and learn the operating procedures for your unit This manual is broken down into two parts for your convenience Part One introduces you to the GPSMAP 168 Sounder and provides a Getting Started tour so you may become more familiar with the unit This section will provide you with a basic working know
163. y for a smaller or larger view Five available settings range from 1X to 16X with a default setting of 8X The current scale will appear in the bottom right of the display To zoom in or out on the highway display 1 Press either the IN or OUT key to increase or decrease the zoom scale Getting Started Highway Page Data Fields 2 00 59 OTT Navigating To TOUR2 TOURS 7001 Tours ax Desired Course Zoom Scale Present Position Current Waypoint 17 Getting Started The main pages except the Status and Active Route Pages data fields may also be configured to display any of 27 different information categories see page 32 for the complete list On the Highway Data Fields Active Route Page Page lets change the TO COURSE field to TURN Main Menu Page To change a data field 1 Press the MENU key to display the Highway Page options 2 Press DOWN on the ARROW KEYPAD highlight Change Data Fields and press ENTER MARK 3 Once the menu window disappears use the ARROW KEYPAD and highlight TO COURSE then press ENTER MARK 4 On the alphabetical list of options press the ARROW KEYPAD UP or DOWN until you highlight QO TIME OF Day OFF COURSE F TIME TIHE TO DEST eO a TIME TO NEXT Navigati TO COURSE TRACK Ln TURN and press ENTER MARK You will see a scroll bar on the right side of the window indicating TTL TRIP TIMER
164. you will only be alerted to the closest proximity waypoint The following options are available from the Proximity submenu of the Waypt tab Reference e Add Waypoint adds a waypoint to the proximity list from the waypoint list Proximity Waypoints e Clear Alarm removes selected waypoint from proximity list e Clear All removes all waypoints from proximity list To display the waypoint menu options oute L LoS 1 Using the ARROW KEYPAD highlight the Proximity tab and press the MENU key Trip Time Waypoint Distance To add a proximity waypoint Poses x re 1 Use the ARROW KEYPAD to highlight Add Waypoint and press ENTER MARK The Select Systm Sk ol in dii 0 40 Waypoint screen appears Units me for Main Menu y 2 To select a waypoint from the lists use the ARROW KEYPAD to highlight the desired waypoint am Lo e from the By Name or Nearest waypoint lists a Aa To select a waypoint from the map highlight either the By Name or Nearest tab and press MENU With Select From Map highlighted press ENTER MARK Use the zoom IN and OUT Proximity Tab Options Menu buttons and the ARROW KEYPAD to highlight a waypoint 3 Press ENTER MARK to confirm The distance field will now be highlighted Waypt By Name Nearest Proximity 4 Press ENTER MARK to begin entry of the proximity radius Select Waypoin
165. your current position on the entire list of options TURN 5 Press QUIT when done Press PAGE to see the last page appearing in the main sequence which is the Active Route Page Whenever you have activated a route or TracBack this page will show each waypoint name along with useful data for each point As you navigate the route the information will automatically update to VHG You may choose from 27 different types of data ao aa indicate the next point along the route which is denoted by an arrow on the left hand side of the rie screen For more detailed information on the Active Route Page see page 64 meatal er As you ve seen the primary pages provide status map and navigation information The tours last alr 001 page is the Main Menu Page which allows access to the GPSMAP 168 Sounder s waypoint route and a 002 planning functions various operational and navigation setup features and celestial and tide data enu y M DOCK The Sone GARMIN The Main Menu is available from any page and is accessed through the MENU key units local To access the Main Menu Page Lb 1 Press the MENU key twice zl a ig ase The Main Menu Page lists 14 menu tabs that are divided into categories by function You can view a particular menu by simply highlighting the desired tab which will then show any secondary 18 submenu tabs and options for that tab To get a feel for how the Main Menu Page work

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