Lowrance electronic X-70A 3D Fish Finder User Manual
Contents
1. Cali LOWRANCE X70A 3D FULL CHART cru mn cn cr 1 2 3 456 7 8 9 ja 0 e _ gt _ ee ana e NY 0090 a DISPLAY General When the X 70A 3D is first turned on the display looks similar to the one below The 3D screen scrolls from right to left with the scale on the right side of the screen The current depth beneath the transducer shows in the upper right corner of the display A fish symbol to the left of the depth shows that the Fish ID feature is on The word AUTO signifies that the automatic function is on keeping the bottom on the display at all times If the computer identifies targets as fish one of four fish symbols appear on the screen depending on the size of the target Numbers above the fish symbol tell you the depth of the target This feature is called FishTrack The lights are on for a few seconds when the X 70A 3D is turned on Menus appear at the same time To leave the lights on press the ON key This key controls the back lights If you don t want the lights on wait a few seconds and they will automatically turn themselves off The menus will also disappear after a few seconds or you can press the CLEAR key to erase them The Metric and Display menu labels work the same way Press the key adjacent to the Metric label to change the depth from feet to meters This also changes the temperature display to degrees Ce2. X 70A 3D INSTALLATION AND OPERATION INSTRUCTIONS LOWRANCE ELECTRONICS INC 5 INTRODUCTION insula 1 SPECIFICATIONS 1 INSTALLATION TRANSDUCER MODES OF OPERATION OPERATION AUTOMATIC IO a aia ute ave ern SENSITIVITY 3D OPERATION 3D RANGE iraniana Ria aL BD ZOOM i II e VARIVIEW 2D OPERATION 2D TRANSDUCER ELEMENT SELECTION i 15 2D RANGE fies seared Seed ce GR 15 2D RANGE Upper and Lower Limits 2D ZOOM Automatic Operation 2 2 18 BOTTOM DEPTH VIEW FASTRAK MENU PAGE 1 STOP CHART ALARMS ei coker anne as DEPTH ALARMS ZONE ALARM 250 Ra Aa cere GL A RL iaia DISPLAY CONTRAST 2D VIEW OPTIONS een DIGITAL BOX OPTIONS a an ani Ae 25 DIGITAL SONAR 2D FASTRAK BAR CHART CURSOR MENU PAGE 2 GRAYLINE CHART SPEED RL iii ADJUST BACK
3. F C sure are in feet for the depth K Boat Speed MPH oKMH_ Speed SMPH KN temperature in degrees Fahr enheit speed is in statute miles per hour and log is in statute miles Press the key adjacent to the unit that you wish to change 30 For example press the key next to the Depth label two times to switch from feet to meters This moves the check mark two times from the Ft to the After setting the units of measure press the CLR key MENU PAGE 3 922 Cat 0 FP slow o High The markings extending ASP OFF High downward Tom ne zaro line on the 2D chart when the manual mode is on are called K Temperature Graph o2 04 s10 surface clutter These mark Reset Distance Log ings are caused by wave ac tion boat wakes temperature inversion and other natural causes The Surface Clarity Control SCC reduces or eliminates surface clutter signals from the display SCC varies the sensitivity of the receiver de creasing it near the surface and gradually increasing it as the depth in creases The maximum depth that SCC will affect is 75 of the selected depth range For example on a 0 60 foot range with maximum SCC sur face clutter will be reduced down to about 45 feet There are three levels of SCC available on the X 70A 3D low medium and high When it s turned on for the first time the SCC level is low To change i
4. level Press the right arrow key 32 to increase it The percentage Light MAX of back light in use changes pr as the arrow keys are pressed The bar chart also gives a graphical indication of the F level After you ve made the adjustment press the CLR 3B4KHE key to erase the menu SPEAKER VOLUME To adjust the X 70A 3D s speaker volume press the MENU key twice then press the key next to the Adjust Speaker Volume label Now press the left arrow key to decrease the level the right arrow key to increase it The percentage of volume in use changes as the arrow keys are pressed The bar chart also gives a graphical indication of the level After you ve made the adjustment press the CLR key to erase the menu UNITS OF MEASURE When the optional speed temperature sensor is connected the X 70A 3D can display the water depth in feet fathoms or meters surface water temperature in degrees Fahrenheit or Celsius speed in statute miles per hour kilometers per hour or knots distance log in miles kilometers or nautical miles and the 3D distance markers in feet or meters To change the units of measure first press the menu key two times Next press the key adjacent to the Units of Measure label The screen shown below appears The check mark in the box on each line shows the unit of measure Depth wFtofaoM currently in use In the screen shown below the units of mea X
5. The bottom echo usually looks like a slice taken from the 2D screen Surface clutter appears at the top of the screen near the picture of the boat Using the Fastrak screen combines the instant read of a flasher with the versatility and convenience of a liquid crystal graph MENUS The X 70A 3D uses menus extensively to guide you through the unit s features The MENU key accesses most of the these features letting you customize the unit to your par ticular water conditions You can exit from any menu by pressing the CLR key Display Contrast MENU Page 1 CHART STOP The X 70A 3D gives you the ability to stop the chart for study You can stop the chart no matter which mode the unit is in 3D 2D Bottom View or FasTrack Note Stopping the chart doesn t stop the digital sonar The digital depth display will con tinue to operate To stop the chart or start it press the MENU key then press the key next to the Chart Stop Run menu Finally press the key next to the Exit label The unit returns to the last used sonar display ALARMS The X 70A 3D has three different alarms The first is the Fish Alarm It sounds when the Fish I D feature places a fish symbol on the screen This alarm only works in the 2D and 3D modes Another alarm is the Zone Alarm which consists of a bar on the right side of the screen Any echo that appears inside of this bar triggers the alarm The last alarm is called the Dep
6. Options label Finally press the key next to the Digital Sonar menu To turn it back on repeat the same steps 2D FASTRAK BAR This feature converts all echoes to short horizontal lines on the 2D display s far right side The graph continues to operate normally FasTrak gives you a rapid update of conditions directly under the boat This makes it useful for ice fishing or when your re fishing at anchor Since the unit is not moving fish signals are long drawn out lines on a normal chart display FasTrak converts the graph to a vertical bar graph that with practice makes a useful addition to fishing at a stationary location To turn FasTrak on first press the MENU key Next press the key adjacent to the 2D View Options label Fi nally press the key next to the FasTrak Bar menu To turn it back on repeat the same steps ZOOM BAR 4 2 26 When the unit is in the 2D split 5 screen zoom mode the zoom bar doesn t normally show on the screen The zoom bar shows the section of water on the right side of the screen that the zoom feature displays on the left side To turn the zoom bar on continuously first press the MENU key Next press the key adjacent to the 2D View Optional label Finally press the key next to the Zoom Bar menu Press the CLR key to return to the sonar display The zoom bar will show on the far right
7. box with the word LOST appears over the corresponding area on the display This means the unit cannot receive an echo from that element This could be due to a large drop off noise or other natural phenomenon The 2D mode looks like a conventional sonar display as shown below The bottom echo scrolls from right to left The range displays on the right side of the screen The digital bottom depth shows in the dg 7FT upper left corner When the X 16 70A 3D is put into the 2D 384 kHz mode the two center transducer elements are in use The two outer elements are turned off You can select the elements from a menu dis cussed in a later section The 2D 192 kHz transducer has only one element All 2D modes show the bottom signal structure thermoclines fish both with and without the Fish ID feature baitfish schools and more The 3D view shows 3D representation of the bottom with Fish ID symbols only The 2D mode shows more information the 3D mode makes it easier to visualize the bottom contour The Bottom Depth View as shown at right displays the depth at the top of the display in large digits The graph scrolls at high speed Note that this graph only shows the bot tom signal No structure fish signals or other echoes show on this display This feature is available using either fre quency transducer 384 Bot tom or 192 Bottom The 3D FasTrak screen con verts echoes from
8. display contrast is adjustable to suit different lighting condi tions To adjust it first press the MENU key The first menu page appears Now press the key next to the Display Contrast label A screen similar to the one at right appears Now press left arrow key to decrease the contrast Press the right arrow key to increase it The percent ar ES age of contrast in use changes STR as the arrow keys pressed gt NS The bar chart also gives a BOS graphical indication of the con RY trast level You can see the 24 change on the screen as you press the keys After you ve made the ad justment press the CLEAR key to erase the menu 2D VIEW OPTIONS The 2D view has several ad justments that with some ex ceptions noted below affect use these options first press the MENU key then press the SM ia TIONS label A menu similar K to the one at right appears DIGITAL BOX OPTIONS The X 70A 3D can display the depth speed surface water temperature and distance log on all sonar screens including the 2D 3D Bottom Depth View and FasTrak Speed temperature and log displays require an op tional speed temperature sensor When the X 70A 3D is first turned on only the depth is displayed if the sensor is not connected You can turn each digital display on as desired or turn all of them off as desired To select the digital displays
9. owner s manual for the product We reserve the right to make changes or improvements in our products from time to time without incurring the obligation to install such improvements or changes on equipment or items previously manufactured This warranty gives you specific legal rights and you may also have other rights which may vary from state to state REMINDER You must retain the sales slip or sales receipt proving the date of your original purchase in case warranty service is ever required LOWRANCE ELECTRONICS 12000 E SKELLY DRIVE TULSA OK 74128 800 324 1356 39 Lowrance s UPS Return Service Lowrance Electronics and United Parcel Service UPS are proud to offer all of our customers free shipping for all units sentto us for repair or service If you have to send this unit to the factory and you are in the continental United States use the enclosed UPS shipping label for easy free shipping to our factory customer service department There are six easy steps 1 Call Lowrance at the toll free number on the front of this flyer for a Return Authorization RA number and instructions about what accessories to return Do not return a product to the factory without a Return Authorization RA Number 2 Pack your unit and any accessories in the original shipping container if possible Be sure toinclude proof of purchase for warranty verifica tion 3 Write a brief note detailing the problem you re having with the uni
10. to the Zone Alarm WOFF Shal Alarm menu moves the Fish Alara check mark to the SET box This brings up the adjustment menu as shown above Using the numbered keys enter the depth for the shallow alarm In this example we used 10 feet Press the key next to the Ac cept label The screen returns to the alarm menu The number you en tered shows on the shallow alarm s menu You ll also notice that the check mark in the shallow alarm s menu has moved to the ON box Setting an alarm also turns it on Press the CLR key to return to the sonar display Using our example if the bottom signal goes lower than 10 feet the shal 21 low alarm sounds a tone To turn the shallow alarm off press the MENU key then press the key next to the Alarms label Now press the key next to the Shal Alarm menu until the check mark moves to the OFF box Press the CLR key to return to the sonar display Remember the shallow and deep alarms adjust exactly the same The only difference is the shallow alarm sounds when the bottom signal goes shallower than the shallow alarm s setting The deep alarm sounds when the bottom signal goes deeper than the deep alarm s setting ZONE ALARM The zone alarm only works on the 2D chart or 2D FasTrak view Any echo that passes inside the zone alarm s bar sets it off To adjust the zone alarm first press the MENU key
11. you distin guish between strong and weak echoes It paints gray on targets that are stronger Adjust Speaker Volume than a preset value This al lows you to tell the difference between a hard and soft bot tom For example a soft muddy or weedy bottom re turns a weaker signal which is shown with a narrow or no gray line A hard bottom returns a strong signal which causes a wide gray line If you have two signals of equal size one with gray and the other without then the target with gray is the stronger signal This helps distinguish weeds from trees on the bottom or fish from structure GRAYLINE is adjustable Since GRAYLINE shows the difference be tween strong and weak signals adjusting the sensitivity may require a AUTO 0 0 46 777 46 777 16 16 GRAYLINE ON GRAYLINE OFF 28 different GRAYLINE level also The level chosen by the X 70A 3D is usually adequate for most conditions Experi ment with your unit to find the GRAYLINE setting that s best for you To adjust GRAYLINE press the MENU key twice then P press the key adjacent to the Adjust Grayline label A screen similar to the at right appears Now press the left arrow key to decrease the gray level Press the right arrow key to increase it
12. 192 kHz label The screen shown at right ap pears 3 View o 2 384khz Chart If you want to use only the cen ter two transducer elements 7 simply press the CLR key to USE ARROW KEYS switch to the 2D chart display RR 384 Bottom shown the picture at 192 dl right the shaded area beneath Full Chart the boat shows which trans 2D 192khz Windowed ducer elements are in use i USE ARROU Kes x A TO When this unit IS first turned WINDOWED CHART on only the two center ele ments are in use for the 2D mode To change to other elements press the left or right arrow keys As you press the keys the shaded area on the screen moves also showing you which transducer elements are in use Once you ve selected the desired transducer elements simply press the CLR key to switch to the 2D chart display 2D RANGE The range is set by the unit as long as it s in the auto mode However you can adjust the range slightly when automatic is on The unit won t let you move the bottom off the screen and it will correct the range once the bottom begins to go off the screen When the unit is in the manual mode you can set the range to any that s available Automatic mode To change the range first press the RANGE key screen similar to the one at down arrow key to increase ME no the range or the up arrow key K AUTO o MAN to decreas
13. LIGHT LEVEL 29 SPEAKER VOLUME 30 UNITS 30 MENU PAGE 3 SURFACE CLARITY CONTROL ASP Advanced Signal Processing 31 eee a dead SOIN DAL 32 ADJUST TEMPERATURE GRAPH 2 20 220 0 0 0100 00 32 RESET DISTANCE LOG 33 MENU PAGE 4 3D ENHANCE 55 Aver caus 3D DISTANCE MARKERS TROUBLESHOOTING NOISE ia MISSING PARTS iasi nia ia LOWRANCE FULL ONE YEAR WARRANTY UPS RETURN SERVICE ACCESSORY ORDERING INFORMATION Copyright 1994 Lowrance Electronics Inc All rights reserved All features and specifications subject to change without notice All screens in this manual are simulated INTRODUCTION Thank you for purchasing an X 70A 3D Its adjustable VariView 3D per spective lets you rotate the underwater picture to accommodate specific viewing needs In addition to the 3D views the X 70A 3D also gives you outstanding 2D detail using either the supplied 384 kHz transducer or an optional 192 kHz transducer SPECIFICATIONS DIMENSIONS 5 7 8 H x 7 3 4 W x 3 7 8 D T
14. OFF AT HIGH SPEED GOOD LOCATION 5 ALUMINUM BOATS LS SK POOR ANGLE GOOD LOCATION 2 Transducer Assembly and Mounting The best way to install this transducer is to loosely assemble all of the parts first place the transducer s bracket against the transom and see if you can move the transducer so that it s parallel with the ground 1 Press the two small plastic ratchets into the sides of the metal bracket as shown below Notice there are letters molded into each ratchet Place each ratchet into the bracket with the letter A aligned with the dot stamped into the metal bracket This position sets the transducer s coarse angle adjustment for a fourteen 14 degree transom Most outboard and stern drive transoms have a fourteen degree angle DOT Slide the transducer between the two ratchets Temporally slide the bolt though the transducer assembly and hold it against the transom Looking at the transducer from the side check to see if it will adjust so that its face is parallel to the ground If it does then the A position is correct for your hull If the transducer s face isn t parallel with the ground remove the transducer and ratchets from the bracket Place the ratch ets into the holes in the bracket with the letter B aligned with the dot stamped in the bracket Reassemble the transducer and bracket and place them against the transom A
15. The percentage of GRAYLINE in use changes as the arrow keys are pressed The bar chart also gives a graphical indication of the GRAYLINE level You can see the change on the screen both on the menu and on the chart record as you press the keys After you ve made the adjustment press the CLEAR key to erase the menu CHART SPEED The rate echoes scroll across the screen is called the chart speed It s adjustable by first pressing the MENU key twice then pressing the key adjacent TEIT to the Adjust Chart Speed la Vz bel The chart speed menu appears on the screen s right side Increase the chartspeed by pressing the right arrow key or decrease it by pressing the left arrow key The percentage of chart speed in use changes as the arrow keys are pressed The bar chart also gives a graphical indication of the chart speed You can see the change on the screen both on the menu and on the chart record as you press the keys After you ve made the adjustment press the CLR key to erase the menu S84KHZ BACK LIGHTS The X 70A 3D has internal lights for the display and keyboard To turn the lights on or off simply press the ON key To adjust the intensity of the lighting press the MENU key twice then press the key adjacent to the 29 Adjust Back Light Level label The screen shown at right ap pears Now press the left ar row key to decrease the light
16. all four transducer elements into short horizontal lines Typically the thicker the bar the stronger the echo This screen is up dated rapidly giving you flasher like performance You can view echoes from any or all elements on this screen DIGITAL BOX A box containing the digital displays appears in the upper left corner of the display when a 2D display is enabled You can switch the size of the dis play from normal to large by pressing the FULL CHART 77 key or by pressing the up or g a 77 down arrow keys on the selec bad tion menu 3S4KH2 OPERATION The Automatic and Sensitivity features used on the X 70A 3D are the same for all modes of operation This section will explain these features For information on features specific to different modes see the 2D or 3D operation sections AUTOMATIC The X 70A 3D adjusts the sen sitivity and range to keep a detailed bottom signal on the display when the automatic feature is on This is enabled when the unit is first turned on You can turn this feature off to gain greater control over the adjustments and features of this unit To turn automatic off press the AUTO key A screen similar to the one above appears Now press the AUTO key again This moves the check mark from the AUTO box to MAN Press the CLR clear key to erase the menu To switch back to manual repeat the above steps but mo
17. ar to the one at right appears The unit is now in the split screen zoom mode A zoom bar is on the far right side of the screen Use the up and down arrow keys to move this bar up and down the right side of the screen Everything be tween the top and bottom of this bar shows on the left side of the screen in either 2X or 4X scale When you have the zoom bar in the desired loca tion press the CLR key to erase it or wait a few seconds and it will auto matically disappear You can have the zoom bar stay on the screen continuously by using the zoom bar menu See the 2D Options in the MENUS section for more information BOTTOM DEPTH VIEW To use the Bottom Depth View first press the WINDOWS key Now press the key next to the 384 Bottom or 192 Bottom depending on the trans ducer you wish to use or have installed Finally press the CLR key A screen similar to the one at the top of the next page appears This view shows the water depth in large digital numbers at the top left corner of the screen If an optional speed temperature sensor is installed the unit can also show boat speed distance travelled log surface water temperature and a surface water temperature graph in this area Next to the digital display box is the chart record This shows depth infor 18 mation only No fish structure or any echoes other than the bottom signal appear on this screen You can adjust the range however th
18. ce log to zero press the MENU key three times then press the key adjacent to the Reset Distance Log label Press the CLR key to return to the sonar display MENU PAGE 4 3D ENHANCE Although the X 70A 3D has four transducer elements the display shows an enhanced grid that adds points to the grid See the difference be tween the two screens shown below To remove the extra lines and view only the depth grid from the four elements first press the MENU key four times Now press the key next 3D Enhance w ON OFF 3D Simulator ON OFF 3D Distance Markers ON o OFF to the 3D Enhance label The extra lines are erased from the display To turn the enhanced display on simply repeat the above steps 488 488 3D SCREEN ENHANCED 33 3D SCREEN NOT ENHANCED 3D SIMULATOR The X 70A 3D has a built in simulator for the 3D display When this simu lator is turned on a realistic 3D view scrolls across the screen The digital depth display shows the simulated bottom depth and fish symbols ap pear on the display IMPORTANT Do not use the simulator when navigating To turn the 3D simulator on press the MENU key four times Now press the key next to the 3D Simulator label to move the check mark from the OFF box to the ON box If you return to the 3D screen the simulator will be i
19. e it When the de sired range is chosen wait a 384KH2 few seconds and the menu will automatically disappear from the screen or press the CLR key to erase it Manual mode When the X 70A 3D is in the manual mode any range can be selected The unit will leave the range setting you choose but it won t keep the bottom on the display For ex ample if the range is 0 60 feet and the bottom signal goes from 55 to 70 feet once the bottom goes deeper than 60 feet it won t show on the display To change the range first a press the RANGE key A screen similar to the one at M right appears You can simply use the up or down arrow keys 3B4KHZ to select the range or you can use the upper and lower limit menus The X 70A 3D uses the following ranges 0 5 10 20 40 60 80 100 150 200 300 400 500 700 and 900 feet Upper and Lower Limits X 70A 3D gives you added versatility with the upper and lower limits menu The upper limit is the depth shown at the top of the screen which is normally zero The lower limit is the depth shown at the bottom of the screen which is normally a range such as 60 feet By manually entering the upper and lower limits you can select any segment of the water using increments as little as one foot Changing the upper and lower limits in this manner actually gives you a zoom in the manual mode that is much more versatile than the standard zo
20. esigned potential 1 Transducer Location 1 The transducer must be placed in a location that has a smooth flow of water at all times If the transducer is not placed in a smooth flow of water interference will show on the sonar s display in the form of ran dom lines or dots whenever the boat is moving and can completely mask the sonar image at high speed 2 The transducer should be installed with its face pointing straight down if possible 3 Make certain the chosen location doesn t interfere with the boat s trailer Also don t mount it closer than about one foot from the engine s lower unit This will prevent cavitation interference with the propeller Typi cally the transducer should be mounted as far down on the transom as possible This increases the chance that it will remain in the water at high speed or sharp turns and reduces the possibility of air bubble interference cavitation 4 Don t mount the transducer directly behind strakes or ribs on the bot tom of the hull Typically a good location on aluminum boats is be tween the ribs closest to the engine The port left side of the transom is preferred for mounting the transducer however if this is not pos sible the starboard right side can be used usually with good results CAUTION N CLAMP THE TRANSDUCER CABLE gt TRANSOM NEAR THE TRANSDUCER THIS WILL HELP PREVENT THE TRANSDUCER FROM ENTERING THE BOAT IF IT IS KNOCKED
21. gain check to see if you can move the transducer so it s parallel with the ground If it does then go to step 3 If it doesn t repeat step 2 but use a different letter until you can place the transducer on the transom correctly METAL 3 Once you determine the NUT WASHER correct position for the ratchets assemble the transducer as shown at left Do not tighten the lock nut at this time METAL WASHER RUBBER WASHERS 4 Hold the transducer and bracket assembly against the transom The transducer should be roughly parallel to the ground The bottom of the transducer bracket should be in line with the bottom of the hull Don t let the bracket extend below the hull Mark the center of the slots for the mounting holes Drill two 5 32 holes in the marked locations for the 10 screws supplied with the transducer TRANSOM SIDE VIEW 5 Attach the transducer to the transom Slide the transducer up or down until it s aligned properly on the transom as shown above Tighten the bracket s mounting screws Adjust the transducer so that it s parallel to the ground and tighten the lock nut until it touches the flat washer then add 1 4 turn Don t over tighten the lock nut If you do the transducer won t kick up if it strikes an object in the water 4 6 Route the transducer cable to the sonar unit If possible route the transducer cable away from other wiring on the boat E
22. he range to a realistic one for example 0 100 feet and increase the sensitivity As you move into shallower water a bottom signal should appear Check the battery voltage If the voltage drops the unit s transmitter power also drops reducing its ability to find the bottom or targets Bottom echo disappears at high speeds or erratic digital reading or weak bottom echo while boat is moving 1 The transducer may be in turbulent water It must be mounted in a smooth flow of water in order for the sonar to work at all boat speeds Air bubbles in the water disrupt the sonar signals interfering with its ability to find the bottom or other targets The technical term for this is Cavitation Electrical noise from the boat s motor can interfere with the sonar This causes the sonar to automatically increase its Discrimination or noise rejection feature This can cause the unit to eliminate weaker signals such as fish or even structure from the display Try using resistor spark plugs or routing the sonar unit s power and transducer cables away from other electrical wiring on the boat No fish arches when the Fish ID feature is off 1 Make certain transducer is pointing straight down This is the most common problem if a partial arch is displayed The sensitivity may not be high enough In order for the unit to display a fish arch it has to be able to receive the fish s echo from the time it enters the cone until it leaves If
23. hen turn on the VHF radio and transmit Keep doing this until all electrical equip ment has been turned on their effect on the sonar display noted then turned off If you find noise interference from an electrical instrument trolling motor pump or radio try to isolate the problem You can usually reroute the sonar unit s power cable and transducer cable away from the wiring that is causing the interference VHF radio antenna cables radiate noise when transmitting so be certain to keep the sonar s wires away from it You may need to route the sonar unit s power cable directly to the battery to isolate it from other wiring on the boat If no noise displays on the sonar unit from electrical equipment then make certain everything except the sonar unit is turned off then start the en gine Increase the RPM with the gearshift in neutral If noise appears on the display the problem could be one of three things spark plugs alter nator or tachometer wiring Try using resistor spark plugs alternator fil ters or routing the sonar unit s power cable away from engine wiring Again routing the power cable directly to the battery helps eliminate noise problems Make certain to use the in line fuse supplied with the unit when wiring the power cable to the battery When no noise appears on the sonar unit after all of the above tests then the noise source is probably cavitation Many novices or persons with limited experience make hasty
24. is is the only adjustment you can make on this screen The X 70A 3D au tomatically sets the sensitivity level FASTRAK The FasTrak view converts all echoes to short horizontal lines Typically the thicker the line the stronger the signal This view gives you an immediate real time screen display This high speed display rep licates flasher performance You can adjust sensitivity range and turn automatic on or off in this mode Zoom is not available To use the Fastrak mode first press the WINDOWS key Now press the key next to the 3D Fastrak menu A screen similar to the one at right ap pears When the X 70A 3D is first turned on only the cen ter two transducer elements are in use By pressing the left or right arrow keys other ele Fastrak 384 Bottom 192 Bottom 5 H 4 2D 192khz USE ARROW KEYS TO SELECT BEAN S TO VIEW ments can be selected When you have the desired elements selected press the key next to the Exit menu A screen similar to the one below appears A representation of each of the four transducer elements shows on this screen The digi tal displays are on the screen s left side Range scale numbers are shown on the right side of the transducer cone Echoes from each element show in it s respective cone Fish and other suspended tar gets appear as short thin lines usually for very short periods of time
25. lectrical noise from the engine s wiring bilge pumps VHF radio wires and cables and aerators can be picked up by the sonar Use caution when routing the transducer cable around these wires IMPORTANT Clamp the transducer cable to the transom close to the transducer This can prevent the transducer from entering the boat if it is knocked off at high speed 7 Make a test run to determine the results If the bottom is lost at high speed or if noise appears on the display try sliding the transducer bracket down This puts the transducer deeper into the water hope fully below the turbulence causing the noise Do not allow the trans ducer bracket to go below the bottom of the hull SONAR UNIT MOUNTING Install the X 70A 3D in any convenient location provided there is clear ance behind the unit when it is tilted for the best viewing angle Holes in the bracket base allow wood screw or through bolt mounting Make cer tain there is enough room behind the unit to attach the power and trans ducer cables Using the bracket as a template mark the dash for the mounting holes then make a mark in the center of the bracket location for the cable hole If you want the smallest possible hole for the power and transducer cables in the dash install the transducer first then route the cable to the desired location The smallest hole that will pass one power or transducer plug is 5 8 After the hole is drilled pass the transducer connector up th
26. ls are corroded or the battery needs charging Unit freezes locks up or operates erratically 1 Electrical noise from the boat s motor trolling motor or an accessory may be interfering with the sonar unit Rerouting the power and trans ducer cables away from other electrical wiring on the boat may help Route the sonar units power cable directly to the battery instead of through a fuse block or ignition switch 2 Inspect the transducer cable for breaks cuts or pinched wires 3 Check both the transducer and power connectors Make certain both are securely plugged in to the unit Weak bottom echo digital readings erratic or no fish signals 1 Make certain transducer is pointing straight down Clean the face of the transducer Oil dirt and fuel can cause a film to form on the trans ducer reducing its effectiveness Electrical noise from the boat s motor can interfere with the sonar This causes the sonar to automatically increase its Discrimination or noise rejection feature This can cause the unit to eliminate weaker signals such as fish or even structure from the display The water may be deeper than the sonar s ability to find the bottom If the sonar can t find the bottom signal while it s in the automatic mode the digital will flash continuously It may change the range to limits far greater than the water you are in If this happens place the unit in the 35 manual mode then change t
27. lsius speed to knots and log to kilometers The Display menu on the screen s right side lets you adjust the display s for the best contrast Press the left arrow key to decrease the contrast right arrow key to increase it The X 70A 3D automatically detects the speed temperature sensor If the sensor is attached to the unit speed temperature and distance log auto matically appear on the display Distance markers also appear on the 8 screen showing the distance behind the boat If the speed temperature sensor is not plugged into the X 70A 3D then none of these will show MODES OF OPERATION The X 70A 3D shows a sonar picture of the underwater world in 3D 2D Bottom Depth View and FasTrack modes The 2D and Bottom Depth Views can use either the 384 or 192 kHz transducer if the optional 192 kHz transducer is attached The 3D mode is al ways 384 kHz To switch be tween the different modes first press the WINDOWS key Press a key on the left side of the screen to choose the de sired mode Press the CLR key to exit this menu In the 3D mode shown at right the bottom is represented by a wire frame model Only the bottom and fish symbols show in this mode Structure weeds thermoclines etc will not show The X 70A 3D uses a 384 kHz transducer with four elements The digital depth display shows the bottom depth from the middle transducer ele ments If it loses the signal from any element
28. menu first press the MENU key Next press the key adjacent to the 2D View Options label Finally press the key next to the Digital Box Options menu The screen shown below appears Now press the key adjacent to the desired display For example to turn the temperature display on press the key adjacent to the TEMPERA TURE label Once you do this the digital display in the corner of the screen will show the temperature in addition to the depth You can turn each display on or off individu ally If you wish to turn all of the digital displays off simply press the key next to the DIGITAL BOX label Press the CLEAR key to exit from this menu DIGITAL SONAR When the X 70A 3D s 2D screen is turned on for the first time the digital depth display RI oe id gw Yay A 0 is located at the top left cor ner of the screen This display 16 comes from a separate digital sonar built into the unit It dis plays only the bottom depth If it loses the bottom the last known depth will flash on the display When the digital finds the bottom it will automatically display the bottom depth again The digital sonar can be turned off however this also turns all automatic features off also such as auto sensitivity auto ranging and the Fish I D feature To turn the digital sonar off first press the MENU key Next press the key adjacent to the 2D View
29. n operation To turn the 3D simulator off press the MENU key four times Now press the key next to the 3D Simulator label to move the check mark from the ON box to the OFF box If you return to the 3D screen the simulator will be off 3D DISTANCE MARKERS The 70 3D displays mark ers on the screen showing the approximate distance echoes are behind the boat This re quires an optional speed tem perature sensor When the unit is turned on the markers are automatically displayed if the speed temp sensor is plugged in If you wish to turn the markers off press the MENU key four times then press the key next to the 3D Distance Markers until the check mark moves to the OFF box Press the CLR key to exit 34 TROUBLESHOOTING If your unit is not working or if you need technical help please use the following troubleshooting section before contacting the factory customer service department It may save you the trouble of returning your unit Unit won t turn on 1 2 Check the power cable s connection at the unit Also check the wiring Make certain the power cable is wired properly The red wire connects to the positive battery terminal black to negative or ground Check the fuse Measure the battery voltage at the unit s power connector It should be at least 11 volts If it isn t the wiring to the unit is defective the battery terminals or wiring on the termina
30. ntical or reasonably equivalent to this product at our option within a reasonable time after our receipt of the product If such defect malfunction or non conformity remains after a reasonable number of attempts to repair by us you may elect to obtain without charge a replacement of the product or a refund for the product THIS REPAIR REPLACEMENT OR REFUND AS JUST DESCRIBED IS THE EXCLUSIVE REMEDY AVAILABLE TO YOU AGAINST US FOR ANY DEFECT MALFUNCTION OR NON CONFORMITY CONCERN ING THE PRODUCT OR FOR ANY LOSS OR DAMAGE RESULTING FROM ANY OTHER CAUSE WHATSOEVER WE WILL NOT UNDER ANY CIRCUMSTANCES BE LIABLE TO ANYONE FOR ANY SPECIAL CONSEQUENTIAL INCIDENTAL OR OTHER INDI RECT DAMAGE OF ANY KIND Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitations or exclusions may not apply to you This warranty does NOT apply in the following circumstances 1 when the product has been serviced or repaired by anyone other than us 2 when the product has been connected installed combined altered adjusted or handled in a manner other than according to the instructions furnished with the product 3 when any serial number has been effaced altered or removed or 4 when any defect problem loss or damage has resulted from any accident misuse negligence or carelessness or from any failure to provide reasonable and necessary maintenance in accordance with the instructions of the
31. om To change the upper limit first make certain the unit is in the manual mode then press the RANGE key Now press the key next to the Set Upper Limit label A screen similar to the one at the top of the next page appears Now enter the upper limit in any number as long as it s 10 feet or more less than the lower limit For example if the range is 0 60 feet you can use any number between 0 and 50 feet as an upper limit After entering the upper limit press the ENT key This returns the unit to the range menus 16 and your new upper limit will be at the top of the screen To change the lower limit use the same steps as above but press the key next to the Set Lower Limit menu Press the CLR key to erase a these menus or wait a few sec onds and they will automati i di cally disappear _ 384KHZ 2D ZOOM Automatic mode The zoom feature enlarges all echoes on the screen making them easier to see This feature works in automatic or the manual mode The X 70A 3D can show a full 2D zoom screen or a split screen with the right side normal and the left side enlarged To use the zoom feature first 33 press the ZOOM screen similar to the one at right ap 41 pears Now press the key next to the OFF 2X 4X menu This switches the unit to the 2X zoom mode which ic 11 57 larges all echoes on the screen to twice their normal Wore ax ae
32. or complete warranty details If your unit fails and the failure is not covered by the original warranty Lowrance has a flat rate repair policy that covers your unit and accessories packed with the unit at the factory There is a 180 day warranty on all non warranty repairs from the factory which is similar to the original warranty but is for 180 days rather than one year For further details please call us at the above number Lowrance also gives you free UPS shipping from anywhere in the continen tal United States both to and from the factory for all warranty repairs You can also use the enclosed UPS shipping label for non warranty shipments See the inside of this flyer for more information Remember non warranty repairs are subject to Lowrance s published flat rate charges and 180 day warranty LITHO IN U S A 988 0133 18
33. ransmitter Frequency 384 kHz and 192 kHz Transmitter Power 3000 watts peak to peak typical 375 watts RMS typical Display ta Supertwist LCD 200 vertical x 320 horizontal 64 000 total pixels NOTICE The storage temperature for your unit is from 4 degrees to 167 degrees Fahrenheit 20 degrees to 75 degrees Celsius Extended storage in temperatures higher or lower than specified will damage the liquid crystal display This type of damage is not covered by the warranty INSTALLATION TOOLS AND HARDWARE YOU WILL NEED Screwdriver Four 10 screws with flat washers or up to 1 4 screws to attach gimbal bracket to dash Hand held drill with a 5 32 drill bit Marine grade caulking compound TRANSDUCER INSTALLATION The HS 3D4 supplied with your X 70A 3D is a 384 kHz 4 element high speed transom mount transducer It can be installed on any outboard or stern drive inboard outboard powered boat The built in kick up bracket helps prevent damage if the transducer strikes an object while the boat is moving If the transducer does kick up it can be pushed back in place without tools Read this section carefully before attempting the installation Determine the best mounting location for your boat Remember the transducer loca tion is the most critical part of a sonar installation If it isn t done properly the sonar can t perform to it s d
34. rn to the sonar display Deep Alarm ON OFF SET 100FT To turn the fish alarm off re peat the above steps Zone Alarm o ON OFF SET Fish Alarm ON w OFF Note The automatic and Fish ID features must be on in or der to use the fish alarm If you turn the fish alarm on and these other features are off the unit will automatically turn them on ALARM MUTE Whenever a depth alarm sounds a message appears on the display tell ing you which alarm is sounding A Silence Alarm menu appears on the display at the same time Press the key next to this menu to mute or turn the alarm s sound off This doesn t turn the alarm off only silences the tone until the alarm is triggered again FISH I D The Fish I D feature identifies targets that meet certain conditions as fish The microcomputer analyses all echoes and eliminates surface clutter thermoclines and other signals that are undesirable In most instances remaining targets are fish The Fish I D feature displays symbols on the screen in place of the actual fish echoes There are four fish symbol sizes tiny small medium and large These are used to designate the relative size between targets In other words it displays a small fish symbol when it thinks a target is a small fish a medium fish symbol on a larger target etc The microcomputer is sophisticated but it can be fooled It can t distin guish between fish and other suspended objects
35. rough the hole first then pass the power cable down through it After routing the cables fill the hole with a good marine sealing com pound Place the bracket over the hole and route the cables through the slot in the back of the bracket Break out one of the other slots for the transducer cable Screw the bracket to the dash FRONT SLOT BREAK OUT SLOT POWER CONNECTIONS The X 70A 3D works from a twelve volt battery system For the best re sults attach the power cable directly to the battery You can attach the power cable to an accessory or power buss however you may have prob lems with electrical interference Therefore it s safer to go ahead and attach the power cable directly to the battery If the cable isn t long enough to reach the battery splice 18 gauge wire onto it The power cable has two wires which are red and black Red is the positive lead black is nega tive or ground Make certain to attach the in line fuse holder to the red lead as close to the power source as possible For example if you have to extend the power cable to the battery or power buss attach one end of the fuse holder directly to the battery or power buss This will protect both the unit and the power cable in the event a short occurs IMPORTANT Do not use this product without a 3 amp fuse wired into the power cable Failure to use a 3 amp fuse will void your warranty If you ve p
36. s Then press the key next to the ASP label until the desired level is obtained Press the CLR key to exit this menu FISHTRACK When the 70 3D is in the 2D or 3D modes and the Fish ID feature is on the depth of the fish symbols can easily be determined using the FishTrack feature This places the depth above the fish symbol as it appears on the screen It is normally on when the unit is turned on To turn the FishTrack feature off press the MENU key two times Now press the key next to the FishTrack label This moves the check mark from the ON box to the OFF box To turn it on again repeat the above steps FISHTRACK ON TEMPERATURE GRAPH ADJUSTMENT The temperature graph that appears beneath the digital surface water temperature display has a range from 5 degrees higher than the current temperature to 5 degrees lower than the current temperature for a total of ten degrees This range can be changed from ten to two or four degree To change the temperature graph range press the MENU key three times then press the key next to the Temperature Graph label until the check 32 mark is on the desired range Press the CLR key to exit the menu RESET DISTANCE LOG The X 70A 3D can display the log distance travelled in the digital block if the optional speed temperature sensor is installed This feature starts counting distance as soon as the unit is turned on To reset the distan
37. side of the display when it s in the 2D split screen zoom mode To turn it off repeat the same steps DISPLAY ZONE ALARM BAR When the zone alarm is on the zone bar doesn t normally show on the screen To turn the zone bar on continuously first press the MENU key Next press the key adjacent to the 2D View Options label Fi nally press the key next to the Zone Bar menu Press the CLR key to return to the sonar display The zoom bar will 384KHZ show on the far right side of the display when it s in the 2D mode To turn it off repeat the same steps CHART CURSOR The X 70A 3D has a chart cur sor that allows you to pinpoint a target s depth The cursor is simply a horizontal line that extends across the from left to right A depth box at the end of the line on the right side shows the line s depth In the example at right the cursor line is at 16 4 feet ans 384RH2 27 display the chart cursor press the MENU key Next press the key adjacent to the 2D View Options label Finally press the key next to the Chart Cursor menu Press the CLR key to return to the sonar display Use the up or down arrow keys to move the cursor up or down to the desired depth To turn the chart cursor off repeat the above steps The unit returns to the sonar screen without the chart cursor MENU PAGE 2 GRAYLINE GRAYLINE lets
38. size If you press the key again while the menu is showing the 2k o dx unit will switch to the 4X zoom mode This enlarges all ech 4 2 2X ZOOM oes four times their normal size To use the split screen zoom feature press the key adjacent to the FULL SPLIT label This instantly divides the screen in half The left half of the screen is zoomed the right side is a full scale top to bottom view of the same area The echoes that scroll across the screen are the same on both sides of the screen but they are enlarged and show in greater detail on the left side To switch back to full screen press the ZOOM key then press the key next to the FULL SPLIT label Turn the zoom feature off by repeatedly pressing the ZOOM key until the check mark is on the OFF box Wait a few seconds for the menu to auto 17 matically disappear from the screen or press the CLR key to erase it 2D ZOOM Manual Mode The zoom feature works the same in manual as it does in automatic with two exceptions One since the unit is in manual the unit won t change the range to keep the bottom signal on the display Two you can adjust the zoom window to any desired depth To zoom the screen in the manual mode first press the ZOOM key A screen similar to the one on the previous page appears You ll notice a new label on the screen ADJUST Press the key next to that label A screen simil
39. sonar installations which function perfectly in shallow water or when the boat is at rest In nearly all cases the cause of the malfunction will be the location and or angle of the transducer The face of the transducer must be placed in a location that has a smooth flow of water at all boat speeds 37 LOWRANCE ELECTRONICS FULL ONE YEAR WARRANTY We or us refers to LOWRANCE ELECTRONICS INC the manufacturer of this product You or your refers to the first person who purchases this product as a consumer item for personal family or household use We warrant this product against defects or malfunctions in materials and workmanship and against failure to conform to this product s written specifications all for one year 1 from the date of original purchase by you WE MAKE NO OTHER EXPRESS WARRANTY OR REPRESENTATION OF ANY KIND WHATSOEVER CONCERNING THIS PRODUCT Your remedies under this warranty will be available so long as you can show in a reasonable manner that any defect or malfunction in materials or workmanship or any non conformity with the product s written specifications occurred within one year from the date of your original purchase which must be substantiated by a dated sales receipt or sales slip Any such defect malfunction or non conformity which occurs within one year from your original purchase date will either be repaired without charge or be replaced with a new product ide
40. such as trotlines turtles submerged floats air bubbles etc Individual tree limbs extending out wards from a group of limbs is the hardest object for the Fish I D feature 23 to distinguish from fish You may see Fish 1 0 symbols on the screen when actually there are no fish Practice with the unit in both the Fish I D mode and without to become more familiar with the Fish I D feature When the X 70A 3D is turned on the Fish D feature is automatically turned on also To turn the Fish I D feature off press the MENU key then press the key adjacent to the Fish ID label This moves the check mark from the ON to the OFF box The unit returns to the sonar display with Fish ID off To turn the Fish I D feature on again repeat the above steps The menu immediately disap pears and the sonar screen returns In the 2D mode ech oes will continue to scroll across the screen however the surface clutter at the top will no longer be displayed Any targets the microcomputer determines are fish will be dis played as fish symbols FISH ID ON Remember the Fish I D feature can t be used when the X 70A 3D is the manual mode If you turn the Fish feature on when the unit is in manual the microcomputer will turn the automatic feature on If you turn automatic off when the Fish I D feature is on the Fish feature will be turned off also DISPLAY CONTRAST The unit s
41. t Please include your name address and daytime telephone number 4 Please include payment for non warranty repairs Check money order Visa or MasterCard may be used 5 Fillin your name address zip code date and RA number in the blanks provided on the UPS form included with your unit 6 Attach the label to the shipping box tear off the tab for your receipt and give the package to any UPS driver or take the package to any UPS Customer Center You will not be charged for this shipment That s it Your unit will be shipped to Lowrance s customer service department at no charge to you Units under warranty will be returned to you at no charge NOTE Lowrance will pay UPS surface shipping charges both to and from the factory for this unit in the event it needs repair Your unit is insured against loss or shipping damage when you use the enclosed UPS label 40 KEEP THIS LABEL YOU WILL NEED IT IF YOU EVER NEED TO RETURN YOUR UNIT TO THE FACTORY FOR REPAIR This UPS shipping offer is good only in the continental United States excludes Alaska and Hawaii Lowrance Electronics may find it necessary to change or end our shipping policies regulations and special offers at any time We reserve the right to do so without notice Accessory Ordering Information To order accessories such as power cables or transducers please contact 1 Your local marine dealer Most quality dealers that handle marine electronic equipmen
42. t press the MENU key three times then press the key adjacent to the SCC label until the check mark is on the desired SCC level Press the CLR key when you re finished ASP Advanced Signal Processing The ASP feature is a noise rejection system built into the X 70A 3D that constantly evaluates the effects of boat speed water conditions and in terference This automatic feature gives you the best display possible un der most conditions The ASP feature is an effective tool in combating noise In sonar terms noise is any undesired signal It is caused by electrical and mechanical sources such as bilge pumps engine ignition systems and wiring air bubbles passing over the face of the transducer even vibration from the engine In all cases noise can produce unwanted marks on the display 31 The ASP feature has two lev els Low and High Ifyouhave SCC Lou o Med oHigh High ASP setting However if you are having trouble with Fish rak_goN uor noise we suggest that you take steps to find the interfer Wx temperature Graph 7 04 10 ence source and fix it rather Reset Distance Log than continually using the unit with the high ASP setting However there are times when you may want to turn the ASP feature off This allows you to view all incoming echoes before they are processed by the ASP feature To change the ASP level press the MENU key three time
43. t should be able to assist you with these items Consult your local telephone directory for listings 2 LEI Extras Inc P O Box 129 Catoosa OK 74015 0129 or call 800 324 0045 USA orders only 41 How to Obtain Service Canadian Customers Only We back your investment in quality products with quick expert service and genuine Lowrance replacement parts If you need service or repairs contact the Lowrance Factory Customer Service Department at the toll free number listed below A technician may be able to solve the problem and save you the inconvenience of returning your unit You will be asked for your unit s serial number 800 347 1014 Canada Only Monday through Friday 8 00 A M 8 00 P M Central Time How to Obtain Service U S A Only We back your investment in quality products with quick expert service and genuine Lowrance replacement parts If you re in the United States and you have questions please contact the Factory Customer Service Depart ment using our toll free number listed below You must send the unit to the factory for warranty service or repair Please call the factory before sending the unit You will be asked for your unit s serial number shown above Use the following toll free number 800 324 1356 U S A only Monday through Friday 8 00 A M 8 00 P M Central time except holidays Your unit is covered by a full one year warranty See the back of this flyer f
44. t to the zoom menu that appears in the lower left corner of the display as shown at right This switches the unit to the 2X zoom mode This enlarges all echoes on the screen to twice their nor mal size If you press the key again while the menu is showing the unit will switch to the 4X zoom mode This enlarges all echoes four times their normal size Turn the zoom feature off by repeatedly pressing the key next to the zoom menu until the check mark is on the OFF box Wait a few seconds for the menu to automatically disappear from the screen or press the CLR key to erase it 3D VARIVIEW When the X 70A 3D is first turned on the 3D screen scrolls from right to left as shown above This view shows you the bottom contour as if your boat is travelling from the left side of the screen to the right side The upper right corner of the screen is the right starboard side of your boat s transom There are occasions when you may wish to change the viewing angle of the bottom For example if you re travelling parallel to a drop off the far side of the drop off may not be visible due to the higher ground obstructing the drop off By rotating the 3D view the opposite side of the drop off can be seen To change the 3D view first press the WINDOWS key The screen shown at right appears 2 384khz There are four views available 3D Fastrak Fastrak o Press the arrow keys to rotate the 3D view When you ve ro ta
45. ted the display to the desired view press the CLR key to re turn to the 3D screen la 9 2D OPERATION a LI 2 VIEWING PERSPECTIVE 2D Transducer Element Se 3D 304khz View H USE ARROW KEYS E TO SELECT VIEWING PERSPECTIVE 3D 384khz View USE ARROW 14 TO SELECT VIEWING PERSPECTIVE 3D 304khz View H n VIEWING PERSPECTIVE USE ARROW KEYS E TO SELECT 3D 304khz View H i VIEWING PERSPECTIVE USE ARROW KEYS E TO SELECT 2 384khz 384 Botton 2 192khz 3D Fastrak 192 Bottom 2D 384khz 3D Fastrak 192 Bottom 2 384khz Fastrak 384 Bottom o 192 Bottom 2 192khz 00 1911 lection This view shows all echoes in the traditional sonar graph display You can view echoes from any two 384 kHz transducer elements or the 192 kHz transducer Note 192 2 operation requires an optional 192 kHz trans ducer To select the transducer element and place the X 70A 3D into the 2D mode press the WINDOWS key Next press the key next to the 2D 384 kHz label or the 2D
46. th Alarm It actually consists of two alarms shallow and deep Only the bottom signal can trigger these alarms They are useful as an anchor watch a shallow water alert or for navigation To adjust an alarm first press the MENU key then press the key next to the Alarms label The screen shown at the top of the next page appears Follow the instructions to set each alarm DEPTH ALARMS 20 depth alarms sound tone when the bottom signal goes shallower than the shal Deep Alarm o SET 100F7 low alarm s setting or deeper than the deep alarm s setting Zone Alarm WOFF For example if you set the shallow alarm to ten feet the alarm will sound a tone if the bottom signal is less than ten feet It will continue to sound until you mute it or the bottom goes deeper than 10 feet The deep alarm works just oppo site It sounds a warning tone if the bottom depth goes deeper than the alarm s set ting Both depth alarms work only off the digital bottom Zone Alarm o ON WOFF oSET depth signals No other tar gets will trip these alarms Both can be used at the same Shallow Alarn oe a To set the depth alarms VALUE 0 press the key adjacent to the alarm you wish to set In this example we will set and turn on the shallow alarm When the X 70A 3D is turned on the Deep Alarm ON OFF SET 100FT shallow alarm is set to zero Pressing the key next
47. the range slightly when automatic is on The unit won t let you move the bottom off the screen and it will correct the range once the bottom begins to go off the screen When the unit is in the manual mode you can set the range to any that s available To change the range on the X 70A 3D first press the RANGE key A screen similar to the one at right appears Simply press the down arrow key to in crease the range or the up ar row key to decrease it When the desired range is chosen 7 1 lt gt wait a few seconds and the menu will automatically disap gt pear from the screen or press SS the CLR key to erase it The X 70A 3D uses the following ranges 0 5 10 20 40 60 80 100 150 200 300 400 500 700 and 900 feet 3D ZOOM The zoom feature enlarges all echoes on the screen making them easier to see This feature works in automatic or the manual mode Note If the unit is in the 3D automatic mode and the zoom feature is turned on the unit will not change the range to a shallower setting If the bottom signal goes shallower than the zoom range the X 70A 3D will simply show a flat bottom signal at the shallowest range shown on the display For example if you have a zoom range from 45 to 60 feet and the bottom rises to 30 12 feet shown by the digital depth display the unit will show a flat bottom at 45 feet To use the zoom feature first press the ZOOM key then press the key nex
48. the sensitivity is not high enough the unit displays the fish only when it is in the center of the cone Use the Zoom feature It is much easier to display fish arches when zoomed in on a small range of water than a large one For example you will have much better luck seeing fish arches with a 30 to 60 foot range than a 0 to 60 foot range This enlarges the targets allowing the display to show much more detail The boat must be moving at a slow trolling speed to see fish arches If the boat is motionless fish stay in the cone showing on the display as straight horizontal lines 36 NOISE A major cause of sonar problems is electrical noise This usually appears on the sonar s display as random patterns of dots or lines In severe cases it can completely cover the screen with black dots or cause the unit oper ate erratically or not at all To eliminate or minimize the effects of electrical noise first try to deter mine the cause With the boat at rest in the water the first thing you should do is turn all electrical equipment on the boat off Make certain the engine is off also Turn your X 70A 3D on then turn off ASP Advanced Signal Processing There should be a steady bottom signal on the display Now turn on each piece of electrical equipment on the boat and view the effect on the sonar s display For example turn on the bilge pump and view the sonar display for noise If no noise is present turn the pump off t
49. then press the key next to the Alarms label Now press the key next to the Zone Alarm label A new menu appears at the bottom of the screen Finally press 2B4KHE the key next to the Accept label The screen shown above appears The zone alarm s bar appears on the right side of the screen Adjustment menus show in the middle of the screen Press the up or down arrow keys to move the bottom of the zone alarm bar up or down To adjust the top of the zone alarm bar first press the key adjacent to the Adjust Upper label After setting the zone alarm bar press the CLR key to erase the menus and bar or wait a few seconds and they will automatically clear You can turn the zone alarm s bar on continuously See the 2D View Options section for more information Setting the zone alarm automatically turns it on To turn it off press the ALARM key then press the key next to the zone alarm s menu This moves the check mark from ON to OFF Press the CLR key to exit the alarm menu 22 FISH ALARM The fish alarm sounds a distinctive tone when the X 70A 3D places a fish symbol on the display A different tone sounds for each of the four fish symbol sizes To turn the fish alarm on first press the MENU key then press the key next to the Alarms label Finally press the key next to the Fish Alarm label This moves the check mark from the OFF box to the ON box Press the CLR key to retu
50. urchased the optional ST T speed temperature sensor install it according to the instructions included with the sensor Route its cable to the X 70A 3D s power cable and plug it into the connector marked SPEED TEMP CABLE TO X 70A 3D S POWER CONNECTOR SPEED BLACK WIRE TO ssi SPEED SENSOR 12 VOLT BATTERY KEYBOARD The keyboard is arranged for convenient operation A ten key keypad on the right side of the screen lets you enter numbers Arrow keys beneath the keypad are used to adjust features The keys in the left column are used to select menu features The keys along the bottom of the screen let you select the basic sonar functions SENS Press this key to adjust the unit s sensitivity RANGE This key lets you adjust the range shown on the display ZOOM This switches the chart between two times and four times zoom AUTO This turns the automatic feature off or on WINDOWS This key lets you select the different display modes MENU Press this key to show the menus ARROW KEYS These keys are used to make adjustments on menus ON The On key turns the unit on and also turns the backlights on OFF Press and HOLD the Off key to turn the X 70A 3D off FULL CHART This key switches the digital box between small and large digits when the 2D chart is displayed
51. ve the check mark to the AUTO box using the AUTO key SENSITIVITY The sensitivity control adjusts the receiver s ability to show echoes If it s adjusted prop erly the sonar unit shows not only the bottom but targets such as fish with little or no noise If the sensitivity is turned too low no fish signals will show and you will lose the bottom signal in fairly shallow water When the X 70A 3D is in the automatic mode the computer inside ad justs the sensitivity for the best setting You can override this setting add ing or subtracting the amount of sensitivity the computer uses You can also take complete control of the sensitivity level when the unit is in the manual mode To adjust the sensitivity press the SENS key A menu appears on the right side of the screen as shown on the previous page Press the right arrow key to increase it the left arrow key to decrease it When you have it changed to the desired level press the CLR key to erase the menu or wait a few seconds for it to automatically clear 3D OPERATION When the X 70A 3D is in the 3D mode the Fish ID feature is always on unless you turn it off FishTrack the depth numbers above the fish sym bols shows you the depth of the fish symbol and can be turned off if desired See the FishTrack section in this manual for more information 3D RANGE The range is set by the unit as long as it s in the auto mode However you can adjust
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