Garmin 010 00289 01 320c With Dual Transducer
Contents
1. mum j O umm jj lll Boat Ground DE Black Wire To Fishfinder 320C Installation Wiring and Interfacing You can download a copy of Garmin s propri etary communication protocol document from the Help and Support section of our web site at www garmin com Complete information concern ing National Marine Electronics Association NMEA format and sentences is available for purchase from NMEA at NMEA Seven Riggs Avenue Severna Park MD 21146 USA 410 975 9425 410 975 9450 FAX www nmed org PIN 1 red 10 35 VDC Power 10 35 volts DC Cable View PIN 3 blue Port 1 Data OUT PIN 4 brown Port 1 Data IN RXD GPS NMEA PIN 5 white Port 2 Data IN N C Device TXD PIN 6 green Port 2 Data OUT JanaRxp 9 PIN 7 yellow Alarm Low NMEA Device Alarm Relay RAD 100ma max coil current Note During a typical installation only the Red and Black wires are used The other wires do not have to be connected for normal operation of the unit Interfacing The Fishfinder 320C allows for NMEA 0183 Version 2 3 input output with a compatible GPS or navigation device NMEA Input Output must be set to On to send receive data see pg 18 For additional information on using your Fishfinder 320C with NMEA devices see pages 3 13 14 and 18 The following are the sentences for NMEA 0183 version 2 3 Input GPBOD GPBWC only used if2. plastic thru hull mount depth e 200kHz 12 plastic thru hull mount depth temp e 200kHz 14 plastic in hull mount depth e 200kHz 14 plastic trolling motor mount depth temp Introduction Selecting a Transducer dead zone fish not seen Introduction Table of Contents Introduction aaaea i Vi Preracesand Resistant o oso e socie cedes i i Floris ARE T ii Software License Agreement iii Ea a E e EEE deus um 04r adii dites iv Selecting a Transducet i soc res V Tale OL CORPS 6o oid alatis erp oqt vi Section One Installation LL 1 7 Unit Installation zia reete l Wiring and Interfacing xc cit eate iret 3 Mounting the Transducer eset eet 5 Testing the Installation n a naana 7 Section Two Unit Operation 8 20 Keypad LSd9eo 2324 edat uat Gu tdi n eed 8 SONAIACS 6 Desideri uA Va aide eras 9 Using the Adjustment Menu 10 Adjustment Menu Options 10 RANG MEET 10 Zo 10 VIEWS DE eaire tet at es Go vieta asl ode tes l1 Srl m MICE MA WA Cer BOULE cenis Dapur Seanpangniar 11 OUO e EE SEOST ETE E EOT 12 PRCOUEINO Ys 1 83 eedeteieb rop a fd 12 VI Dep TE a5 aris Aaya nccettammeccu sates 12 NOISE REEE diaues ei Abe qa Id cR eR x 12 son OE PPP 12 Sure Sls ne eae ne ee 12 Using the PAUSE Key o noce bes 13 Using the DATA Key l4 KTE a s aset quete a a A 15 C E EEEE EE E ee A TT Io FISH OVIMDOIS
3. owner s manual and reference guide Copyright 2003 Garmin Ltd or its subsidiaries 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 9DL 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 Garmin hereby grants permission to download a single copy of this manual and of any revision of this manual onto a hard drive or other electronic storage medium to be viewed and to print one copy of this manual or any revision hereto 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 or any revision hereto is strictly prohibited Information in this manual is subject to change without notice Garmin reserves the right to change or improve its products and to make changes in the con tent without obligation to notify any person or organization of such changes Visit the Garmin web site www garmin
4. dresata dirette tra ID var MN 15 CUSTOM RAM Coad oor bebes taa 16 Backoround Colot 26 tossed dues ade pas 16 NUTHDEE SIZE ce a7 debet est ee Rt 16 Temperature and Water Speed 16 Took JE Due gaye acetate ciga ial ete D ER 16 BAGO seth RET CENE ote 16 COMO BAR aes Sere ot patient oes 16 Temperature Graph Lasse dics ore ent 16 CHAD LIAL som ates odia edu as 16 Temperature Scale cnn hs d dicen nate Beak 16 Tire DUNO 03 19 suse eraten ties ekkrios 16 Reset NUEO Scale ico su ee urnsevet Statins 16 Adamo WD ec uos Adds dioec aA Iis PIS AEM eo etaed ter intranet denen asp veh Ly Shallow Deep Water Alarms 17 PUAKI ot dah ste arent ge eG deret n i Water Temperature Alarm 17 Battery AAW deo ecc he totu cea IB E oea e EE RN eae Ss 17 DUSIGIPI DE enc he i tutt SA ee arts 18 DECIDED ce poten ty Eyedetesa ted acinar tila 18 PAM QUA DE cop ake sore cp fue oo pa tox 18 Simulator 00 00 18 NMEA Input Output siirre 18 FOD eL L DS ci elytra a ds rd ate ae 18 SOULWARE VEISION daa sage enn 18 Reset OUO fe E aces Bare Swed esee eects 18 DENS ges TE edt ira etes 18 iB oj c CT REN 18 Tempe 65 03 mek hie e pacer 18 Distance and Speed oaa utente E 18 PoSIEIODI F ONAL poranne anea Bass 18 TLCAGU o xiucesacteps deut oo denti 19 seva PM TIS 19 Wae TPE vu atas id rer ne er eer 19 De tli MUNDE ireira oui iaa 19 Automatic Scroll Speed Limit 19 oou NR 19 Transducer Ype porien ang tee dns 19
5. Calibrate Water Speed 19 Tae TADS gic hee tat hs Gah aie EE PIN EROR 20 ANGI OHA ee Lope ee tote eects 20 TIME ZO lt a ote acido er dee petes 20 Day ene Saye TIME sistance goaieon viene 20 Current Time ana Dates ace eee 20 Section Three On the Water 21 24 Understanding SOBBE Ss esc er ett mitto a 2 Transducer Coverage peice est oa trt 22 Understanding the Grab perre ebed hrisivems 23 Whiteline and Thermoclines 24 ADDENGICES x25 eoe iislu s Pe Rb ird 25 28 Appendix A Specifications and Cleaning 25 Appendix B Messages and Alarms 26 Append iG Tide x Coane ne eee de etd tg 2j Installing the Fishfinder 320C Installation The Fishfinder 320C must be properly installed according to the following instructions to get the best possible performance To complete the installation you ll need the appropriate fasteners and tools Check that all cables will reach the unit mounting location and also take time to read through these instructions Unit Installation prior to installation Be sure to always wear safety goggles and a dust mask when drilling cutting or sand ing When in doubt seek professional assistance Surface Mounting the Fishfinder 320C Unit The Fishfinder 320C5 compact waterproof case is suitable for mounting in exposed locations or at the nav station The unit comes with a surface mount bracket that can be used for console or overhead mount ing When choosing a locatio
6. com for current updates and supple mental information concerning the use and operation of this and other Garmin products GARMIN See Thru and DCG Depth Control Gain are registered trademarks of Garmin Ltd or its subsidiaries and may not be used without the express permission of Garmin March 2003 Part Number 190 00261 00 Rev A Printed in Taiwan Preface Thank you for choosing the Garmin Fishfinder 320C This product is designed for easy operation and to provide years of reliable service Please take the time to read this Owners Manual and learn the operation of your new unit This will help ensure that you get the most from the Fishfinder 320C This manual is broken down into three sections for your convenience Section One covers the installation and testing for the Fishfinder 320C Section Two provides detailed references to the features and operations of the Fishfinder 320C Section Three gives a basic overview of how sonar works and provides information on interpreting the sonar graph Product Support If you encounter a problem or just have a question our Product Support Department can be reached Monday Friday 8am to 5pm Central Standard Time By phone at 1 800 800 1020 or 913 397 8200 Online at http Avww garmin com contactUs techSupport jsp Check the Garmin Web Site www garmin com for links to Product Support and Product FAQS Enjoy your new Fishfinder 320C and once again thank you for choosing Garmin Produc
7. need to be tested Permanently 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 3 Place the transducer in the epoxy turning the transducer to work out any air bubbles 4 Weight the transducer in place and allow to cure for 24 hours Testing the Installation While it is possible to perform some checks with the boat trailered the boat should be in the water to properly test the sonar portion of the installation Press the POWER BACKLIGHT key see pg 8 and the Fishfinder 320C 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 35v DC a Battery Voltage High warning will be displayed and the unit will turn off If the unit does not detect a transducer it will automatically enter Simulator Mode When the unit detects a transducer on initial power up a Please set up transducer message will appear Press the ENTER key see pg 8 to select the transducer type Highlight your transducer type with the ARROW KEYPAD and press ENTER Press QUIT to return to the Sonar display Since water is necessary to carry the sounder
8. select a display zoom scale or to split the display When a scale other than No Zoom is selected the Adjustment Menu will display a new selection labeled View or Span The Zoom function is divided into six display levels 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 original picture at 1 2 depth scale 2X Zoom Displays the 2X zoomed picture on the full screen and does not show the original scale picture 4X Split Shows two reduced pictures the right at the original depth scale and the left at 1 4 the original depth scale 4X Zoom Displays only the 4X zoomed picture on the full screen Btm Bottom Split Shows two reduced pictures the right at the original depth scale and the left showing sonar returns from the bottom up All target depths will read as a distance from the bottom Btm Bottom Lock Displays only the Bottom Lock returns from the bottom up picture on the full screen e View Span available when a Zoom scale other than No Zoom is selected The View or Span setting is used to change the viewing range of a zoomed display If the display is 2X or 4X split only the zoomed portion on the left side of the display will be affected by the change If the display is Bottom Split or Bottom Lock Span will adjust how far off the bottom the unit
9. will display data Gain allows you 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 percentage If there is too much detail or if the screen is cluttered lowering the sensitivity may increase the clarity of the display Target Level adjusts which colors are used to display sonar information A Color Bar see pg 16 will appear on the right side of the screen as you adjust this setting A higher percentage will result in more strong signaled colors see pg 9 displayed on the Sonar Page A lower percentage will result in more weaker signaled colors see pg 9 displayed on the Sonar Page This setting does not increase decrease the unit Gain Unit Operation Adjustment Menu Options 2X Zoom View Sonar 2X Split Screen shown with Depth Line Bar represents area shown on 2X View Sonar View Adjustment 11
10. 20C Unit Surface Mount Bracket and Knobs Power Data Cable Owners Manual e Self Adhesive Quick Reference Guide Protective Cover Flush Mount Hardware Kit Optional Package 010 00289 01 includes Standard Package plus Dual Frequency 200 50kHz 10 40 Plastic Transom Mount Transducer with Depth and Temp e Separate Speed Sensor Optional Package 010 00289 02 includes Standard Package plus Single Frequency 200kHz 20 Plastic Transom Mount Transducer with Depth and Temp e Separate Speed Sensor Optional Accessories e US A C PC Adapter EURO A C PC Adapter Cigarette Lighter Adapter 2nd Mounting Station 10 ft Transducer Extension cable 20 ft Transducer Extension cable Temperature probe Speed sensor Temp amp Speed only sensor plastic thru hull mount Optional Transducers Included in the Optional Pachages are transom mount transducers and separate speed sensors These transducers provides good all around performance For a list of optional transducers see page v Transducers The transducer acts as the eyes and ears of your new sonar Proper transducer selection and installation are important to the operation of your unit The transducer transmits sound waves toward the bottom in a cone shape The larger the cone angle the larger the coverage area at a given depth 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
11. RMB not present GPGGA GPGLL only used if GGA not present GPRMB GPRMC GPXTE only used if RMB not present Output SDDBT SDDPT SDMTW SDVHW SDWPL only if a waypoint is marked in Pointer Mode Garmin GPS units will accept the SDWPL WPL NMEA sentence and create a waypoint saved location at that position see pg 13 For compatibility with other brands of GPS or NMEA capable navigation devices check with that manufacturer to see if their unit accepts stores NMEA 0183 SDWPL sentences waypoints The Fishfinder 320C does not store the actual waypoint Only the receiving device if capable will store the waypoint Proper transducer installation is key to getting the best performance from your new unit If the trans ducer lead is too short extension cables are available from your Garmin dealer Coil and secure any excess cable 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 non Garmin transducer cables Installation Mounting the Transducer Following are some tips and basic installation instructions for some popular transducers Detailed g installation instructions are provided in the transducer kits Some transducers may need to be installed by a professional marine installer Transom Mount Installation Transom Mount Transducer depth temp DO NOT mount the transducer behind stra
12. a dust mask and safety goggles Shoot Thru Hull Installation Some transducers are specifically 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 Selecting a location Weight transducer 1 The location has to be solid fiberglass devoid of any air bubbles laminates fillers or dead air space The to hold it in place 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 PVC Pipe or a Can o A NOTE Many modern hulls have a prelocated pocket for shoot thru hull transducer EN e OE installation If you are unsure if your hull is equipped with a pre located pocket with water or a inada contact your hull manufacturer Strip Caulk or RTV Sealer Testing the location Hull Surface 1 Fabricate a test device from a section of PVC pipe or a can as shown in the side bar Testing the Location 2 Temporarily seal the test device to the hull with caulking or RTV sealer and fill with water or light mineral oil 3 Place the transducer in the water pointed directly at the bottom and weight it down Set unit for opti mum performance If the sonar performance is significantly degraded another location will
13. angle transducer works best in shallower water The wide cone angle provides a large cov erage or viewing 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 The narrow cone angle pro vides a smaller coverage or viewing area compared to a wide cone angle transducer at the same depth with improved bottom resolution and a smaller dead zone A variety of optional transducers are available from your local dealer or direct from Garmin 200 50kHz 12 45 plastic transom mount depth temp 200 50kHz 12 45 plastic transom mount depth temp speed 200 50kHz 12 45 bronze thru hull mount depth 200 50kHz 12 45 bronze thru hull mount depth temp speed e 200 50kHz 12 45 bronze thru hull mount long stem depth temp speed e 200 50kHz 12 45 plastic thru hull mount depth e 200 50kHz 12 45 plastic adjustable in hull mount e 200kHz 14 plastic transom mount depth 200kHz 14 plastic transom mount depth temp e 200kHz 14 plastic transom mount depth temp speed 200kHz 8 plastic transom mount depth temp e 200kHz 8 plastic transom mount depth temp speed e 200kHz 12 bronze thru hull mount depth e 200kHz 12 bronze thru hull mount depth temp e 200kHz 9 bronze thru hull mount depth temp speed e 200kHz 12
14. e Fishfinder 320C Unit The Fishfinder 320C can be flush mounted on a flat panel When flush mounting the Fishfinder 320C be sure to choose an appropriately sized location for the unit Check that all cables will reach the unit mounting location before beginning installation Use the Flush Mount Template provided in the box to determine a location Be sure to always wear safety goggles and a dust mask when drilling cutting or sand ing Included Mounting Hardware 4 3mm Studs 4 Flat Washers 8 3mm Hex Nuts To flush mount the Fishfinder 320C Trim the Flush Mount Template and tape in the desired location Unit Installation Using a Center Punch indent the center of each Mounting Hole location Using an 1 8 3mm drill bit drill the four Mounting Holes Using a 3 8 6mm drill bit drill a hole for a location to begin cutting the mounting surface Mm BB W N Using the Jig Saw cut the mounting surface along the inside of the dashed line indicated on the template Be very careful when cutting this hole there is only a small amount of clearance between the unit and the Mounting Holes It may be prudent to cut slightly inside the indicated line and then sand or file the panel as needed to obtain the best fit 6 Install the four Mounting Studs into unit by screwing the shorter section in to the back of the unit Use a 1 16 2mm Allen Wrench to tighten the Mounting Studs until the stop contacts the case Be careful not to overtig
15. e adjustment control Pressing Up Down on the ARROW KEYPAD will select the desired setting ENTER Key selects a highlighted menu option When entering data it allows you to initiate entry and then accept the selected value s When paused in Pointer mode will create a waypoint at the Pointer posi tion if equipped with compatible NMEA GPS POWER BACKLIGHT Key press and hold to turn the unit on and off While the unit is on pressing and releasing will display the backlight control Multiple presses of the POWER BACKLIGHT key will toggle the units backlight between maximum user set and minimum backlight brightness levels PAUSE Key pauses the scrolling sonar display When held for more than 2 seconds enters Pointer mode Use the ARROW KEYPAD to move the cursor around the display to examine the depth of specific items in greater detail If the Fishfinder 320C is interfaced with a Garmin GPS or compatible NMEA navigation device pgs 3 4 pressing the ENTER key in this state will send a WPL sentence to that device if the cur rent position is known creating a waypoint at that position See pages 13 for more information Sonar Page The Sonar Page is where your Fishfinder 320C becomes a powerful fishfinder flasher If the unit does not detect a transducer a Sonar Turned Off message will appear across the Sonar Page If in Simulator mode a Running Simulator message will appear after 2 minutes of inactivity The top left of the scre
16. en contains numbers or data fields such as Depth Water Speed and Water Temp see pg 14 while the currently selected Adjustment see pg 10 option will appear in the upper left of the display 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 The sonar display may also be set to show a split screen view of a zoomed portion of the sonar bottom lock display scaled from the bottom up or a combination of these options see pg 11 For example you may choose to show dual frequency at a 2X zoom Dual 2X on one half and normal range dual frequency Dual returns on the other half The current display mode will be displayed at the bottom of each sonar display Sonar returns will show as red strongest then oranges strong yellows medium greens weaker and blues weakest The Fish Symbols option see page 15 allows you to view the actual sonar data a fish symbol or a combination of both Fish Symbols will appear as green When the unit is set to Dual see page 12 the appearance of the fish symbols and simulated fish returns will change Fish symbols from the narrower beam 200kHz will be solid or narrow returns but the r
17. eturns from the wider beam 50kHz will be hollow or wide returns Simulated fish icons are displayed in three different sizes Actual fish returns may not always appear as perfect arches due to the speed fish orientation and or other conditions More on understanding the sonar may be found on pages 21 24 Unit Operation Describing the Display Current Adjustment Option Numbers Bottom Narrow beam returns Fish Symbol Depth Scale Fish Arches Simulated Flasher Thermocline Wide beam returns Frequency mode Unit Operation Adjustment Menu Options Adjustment window Pointer 2 Current adjustment setting Normal setting area Ho Zoom Range cAuto i Disabled Scro Size Split Defaults ENO for Main Menu Adjustment Menu options Using the Adjustment Menu The Adjustment Menu allows direct access to the settings and features most commonly used on the Sonar Page There are 10 main adjustment options available Range Zoom View Gain Target Level Whiteline Frequency Depth Line Noise Reject and Scroll All adjustments may be made by using the ARROW KEYPAD and ENTER key The currently selected option will appear in the upper left of the display with an up and down arrow on each side of the name To change an Adjustment Menu setting 1 Press the MENU key to bring up a list of all options and their current settings The adjustme
18. hes 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 ey a the transducer cable cover Apply marine sealant to all well above the waterline screw threads to prevent water I from seeping into the transom HUM Transducer should extend 1 8 below fiberglass hull or 3 8 below aluminum hull Y lt Make sure that the transducer is Speed Temp Transducer 4 Ki below water level when the boat INL is on plane at high speed Do not mount transducer directly in the A path of the prop The transducer can cause aa Connecting a Transducer to Multiple Sensors cavitation that may degrade the boat s performance and damage the prop Mount the transducer parallel with the bottom lu cd J Installation To avoid drilling a hole to mount a thru hull transducer a transducer may be secured with epoxy inside a boat shoot thru hull installation This type of installation can provide better noise reduction and allow you to use a higher gain setting For a transducer to be mounted inside the hull shoot thru not thru hull the boat must be fiberglass with no core Contact your boat manufacturer if you are unsure Professional Mounting the Transducer installation may be necessary Be sure to always wear
19. hten as this may damage the Mounting Stud The studs have a reusable thread locking patch pre applied from the factory 7 Place the unit in position in the cut out in the mounting surface 8 Place washers over the Mounting Studs then thread on one Hex Nut per Mounting Stud Tighten all four until the unit is snug against the mounting surface Install and tighten the second Hex Nut on all four Mounting Studs to lock the first one in place Connecting the Power Data Cable The power data cable connects the Fishfinder 320C to a 10 35 volt DC system and provides interface capabilities for connecting external devices The color code in the diagram pg 4 indicates the appropriate harness connections Replacement fuse is a AGC 3AG 2 Amp fuse If it is necessary to extend the power data wires use a wire of comparable size and keep your extension as short as possible If your boat has an electrical system it may be possible to wire the unit directly to an unused holder on your current fuse block If you are using the boats fuse block remove the in line fuse holder supplied with the unit If your boat does not have a fuse block the unit can be wired directly to the battery Make sure the 2 Amp in line fuse supplied with the unit is installed if connecting the unit direct to the battery Installing the Wiring Harness Basic 1 Determine the polarity of the fuse holder using a Test Light or Volt Meter 2 Install the Red wire on the Positi
20. ies You further acknowledge that the structure organization and code of the Software are valuable trade secrets of Garmin and that the Software in source code form remains a valuable trade secret of Garmin You agree not to decompile disassemble modity reverse assemble reverse engineer or reduce to human readable form the Software of any part thereof or create any derivative works based on the Software You agree not to export or re export the Software to any country in violation of the export control laws of the United States of America WARNING This product its packaging and its components contain chemicals known to the State of California to cause cancer birth defects or reproductive harm This Notice is being provided in accordance with California s Proposition 65 If you have any questions or would like additional information please refer to our web site at http www garmin com prop65 Introduction Software License Agreement Introduction Packing List For the most recent list of available accessories for your unit current user manuals and software updates visit our web site at www garmin com Before installing and getting started with your unit please check to see that your package includes the following items The package part number can be found on the outside of the box If any parts are miss ing please contact your Garmin dealer immediately Standard Package 010 00289 00 w o transducer e Fishfinder 3
21. n for the display unit make sure you consider the following conditions e There should be at least a 3 8 cm clearance behind the case to allow connection of the transducer and power data cables e The mounting surface should be heavy enough to support the unit and protect it from excessive vibration and shock NOTE The temperature range for the Fishfinder 320C is 5 F to 158 F 15 C to 70 C Extended exposure to temperatures exceeding this range in storage or operating condi tions may cause failure of the LCD screen This type of failure and related consequences are NOT covered by the manufacturer s limited warranty To surface mount the Fishfinder 320C display 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 fasteners 4 Insert the Fishfinder 320C into the mounting bracket The bracket is designed for a tight fit to provide The Mounting Brachet is designed to be secured using a additional support when swiveling the unit flat head screw If you use a screw with a countersunk l head isk d ing the Mounting Bracket Screw the two mounting knobs through the bracket and into the display case Ma er d 6 Connect the power data and transducer cables to the back of the unit making sure the locking rings are 1 fully tightened on both connectors On Installation Flush Mounting th
22. nt window will automatically time out and disappear when idle for 20 seconds or you may press QUIT to exit High light the desired option to change and press ENTER to bring up the Adjustment window Alternately press the dedicated ZOOM FREQ GAIN or RANGE key to adjust the desired option 2 With the ARROW KEYPAD move UP or DOWN and place the setting bar or pointer at the desired per centage Off 1 100 setting or range When changing most adjustments an open space will appear on the scale to show where the of Normal or default setting would appear Once set to Normal the setting bar will be replaced by the word Normal 3 Press ENTER or QUIT to accept the new setting and return to the sonar graph For users accustomed to other Garmin sonar products the current adjustment will appear in the upper left corner For fast adjustment from the Sonar Page press LEFT or RIGHT on the ARROW KEYPAD to scroll through the options then press UP or DOWN on the ARROW KEYPAD to immediately change the current option or the ENTER key to review the current setting before making changes Adjustment Options The Adjustment Menu allows direct access to the settings and features most commonly used These available adjustments 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 see Custom Range pg 16 Zoom used to quickly
23. r at greater risk of striking underwater objects Installation Testing the Installation Unit Operation Keypad Usage 7409 0 FREQ DATA GAIN MENU QUIT BANC ENTER PAUSE NOTE Always press and release a hey to perform its primary function Pressing and holding a key will activate its secondary function if available 8 Using the Keypad ZOOM Key displays the Zoom adjustment control Pressing Up Down on the ARROW KEYPAD will select the desired zoom level FREQ Key displays the Frequency adjustment control Pressing Up Down on the ARROW KEYPAD will select the desired sonar frequency DATA Key toggles the data field in the upper left of the Sonar Page between the Basic and Advanced displays When held for more than 2 seconds enters Advanced data setup GAIN Key displays the Gain adjustment control Pressing Up Down on the ARROW KEYPAD will select the desired gain setting QUIT Key exits the current menu or configuration option Returns the display to the previous page and when entering data restores the previous data cancels data entry MENU Key from the sonar screen displays the Adjustment Menu Press again to access the Main Menu for unit configuration ARROW KEYPAD used to select highlight menu options and enter data Also controls movement of the cursor when paused in Pointer mode Allows direct control of Sonar Page Adjustments RANGE Key displays the Rang
24. s sonar signal the transducer must be in the water to work properly It is not possible to get a depth distance reading when out of the water 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 properly to the unit When you place your boat in the water CHECK FOR LEAKS around any screw holes that have been added below the water line DO NOT leave your boat in the water for an extended period of time without checking for leaks Begin testing the installation at a slow speed If the sonar appears to be working properly gradually increase the boats speed while observing the sonar operation If the sonar signal suddenly is lost or the bottom return is severely degraded note the speed at which this occurs Return the boat to the speed the signal was lost Make moderate turns in both directions and see if the signal improves If the signal strength improves while turning adjust the transducer so that it extends another 1 8 below the transom of the boat It may take several adjustments to eliminate the degradation If the signal does not improve it may be neces sary to move the transducer to a different location A NOTE When adjusting the depth of the transducer make the adjustments in small incre ments Placing the transducer too deep can adversely affect the boat s performance and put the transduce
25. side of the package The unit should then be sent freight charges prepaid to any Garmin warranty service station A copy of the original sales receipt is required as the proof of purchase for warranty repairs Products sold through online auctions are not eligible for rebates or other special offers from Garmin Online auction confirmations are not accepted for warranty verification To obtain warranty service an original or copy of the sales receipt from the original retailer is required Garmin will not replace missing components from any package purchased through an online auction Garmin International Inc 1200 East 151 Street Unit 4 The Quadrangle Abbey Park Industrial Estate Olathe Kansas 66062 U S A Romsey SO51 9DL U K Phone 913 397 8200 Phone 44 1794 519944 FAX 913 397 0836 FAX 44 1794 519222 Garmin Europe Ltd Software License Agreement BY USING THE FISHFINDER 320C YOU AGREE TO BE BOUND BY THE TERMS AND CONDITIONS OF THE FOLLOWING SOFTWARE LICENSE AGREEMENT PLEASE READ THIS AGREEMENT CARE BULLY Garmin grants you a limited license to use the software embedded in this device the Software in binary executable form in the normal operation of the product Title ownership rights and intellectual property rights in and to the Software remain in Garmin You acknowledge that the Software is the property of Garmin and is protected under the United States of America copyright laws and international copyright treat
26. t Registration Help us better support you by completing our on line registration today Have the serial number of your Fishfinder 320C Sounder handy and connect to our web site www garmin com Look for the Prod uct Registration link on the Home page Also be sure to record your serial number in the area provided on page ii of this manual A NOTE If you have previously registered a Garmin product purchase we invite you to re reg ister using our NEW on line system Many services provided by our new product registration system are now being automated and re registering your purchase ensures you the best possible support from Garmin Introduction Preface and Registration 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 LE LT LT A The Fishfinder 320C 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 LIMITED WARRANTY This Garmin product is warranted to be free from defects in materials or workmanship for one year from the date of purchase Within this period Garmin will at its sole option repair or replace any components tha
27. t fail in normal use Such repairs or replacement will be made at no charge to the customer for parts or labor provided that the customer shall be responsible for any transportation cost 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 WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE STATU TORY 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 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 To obtain warranty service contact your local Garmin authorized dealer Or call Garmin Customer Ser vice at one of the numbers shown below for shipping instructions and an RMA tracking number The unit should be securely packed with the tracking number clearly written on the out
28. ve Fuse Holder Terminal 3 Install the Black wire on the Negative Fuse Holder Terminal 4 Install a 2 amp fuse in the Fuse Holder The Fishfinder 320C can be connected to another piece of NMEA compatible electronic equipment such as a Garmin GPS Global Positioning System If equipped with a capable transducer the Fishfinder 320C can send depth temperature and speed information It can also mark a location pg 13 that could be displayed on another device and can accept GPS navigational data pg 14 such as position time course distance etc Refer to the wiring diagram on the following page for interfacing the Fishfinder 320C with other devices Installing the Wiring Harness to a GPS 1 Follow steps 1 4 of the above wiring harness installation For Garmin units the Ground black wires from both devices must be attached together or on the same fuse terminal for data ground Refer to the wiring diagram of your GPS unit for wire identification 2 Connect the Blue Data Out wire from the Fishfinder to the Data IN wire on the GPS harness 3 Connect the Brown Data In wire from the Fishfinder to the Data OUT wire on the GPS harness 4 Setthe Fishfinder 320C NMEA Input Output to On pg 18 For Garmin GPS units set the communications interface to NMEA NMEA NMEA In NMEA Out or NMEA Installation Wiring and Interfacing To 10 35 Volt Boat Supply Install 2 Amp Fuse Q Q Q
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