Humminbird 981 manual 23/2005

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98x_Manual_531376-1_A.qxd		2/23/2005	11:39 AM		Page 15
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1	Foam Pads				4
2	In-Dash Bracket				4
2	In-Dash Bracket
3	Cut Away Dash			6	5
4	Washers
5	Wing Nut
6	Threaded Rod
7	Threaded Insert
8	Expansion ports - use for future accessories

5.Insert the control head through the mounting hole from the front side of the dash. From the back side of the dash, align the two threaded rods on the rear of the housing with the two holes on the in-dash mounting bracket. Place a washer onto each threaded rod, then secure bracket by placing a wing nut onto each threaded rod and tighten fully.

6.Insert cable connectors into the proper recesses on the cable collector insert. The cable connectors are keyed to prevent reverse installation, so be careful not to force the connectors into the wrong slots. If you don’t have a cable for every hole in the insert, install the blank plugs to protect the unit from the weather.

7.While holding cables in place in the cable collector insert, thread the cables through the slot in the bottom of the cable collector cover, line up the cable collector insert and cover, then slide the cover into place on the insert.

NOTE: The tab on the cable collector insert goes into the slot on the cover.

8.Attach the cable collector insert to the cable collector cover using the 2 Phillip screws provided.

9.Plug the cable collector assembly into the back of the control head. Cable connectors and cable sockets are keyed to prevent reverse installation, so be careful not to force the connectors into the wrong sockets. Once the cable collector and all cables are plugged into the back of the control head, lock the assembly into place by threading the knurled screw into the threaded insert on the back of the housing. (Cable ties are provided to help you secure the cables in place by threading them through the available holes on the in-dash bracket).

NOTE: It is very important that the cable collector is used and secured in place in the In-Dash installation.

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Contents 98xManual531376-1A.qxd 2/23/2005 1139 AM Thank You Table of Contents Sonar Menu Tab Menu System Start-Up Options MenuSonar X-Press Menu Side Imaging X-Press MenuSetup Menu Tab Alarms Menu TabContact Humminbird Views Menu Tab Accessories Menu Tab TroubleshootingDualbeam Plus Sonar Series IntroductionHOW the 900 Series Works Side Imaging SonarMulti-Media Card MMC/SD Slot MULTI-MEDIA Card MMC/SD SlotAccessory BUS Installation OverviewAccessory Bus 900 Series has a wide variety of configurations Control Head InstallationGimbal Mounting the Control Head Mounting Screws Washer Gimbal Mounting Bracket Speed Communications Transducer Cable Collector Insert Cables Routed Near Mounting BracketIn-dash mounting template IN-DASH Mounting the Control HeadParts and tools specific to In-dash mounting are In-dash mounting foam pads23/2005 Beginning of this procedure Connecting the Control Head Power Cable to the BoatTransducer Installation Transom Transducer Trolling Motor TransducerMotor Position Stepped Hull Transom Transducer InstallationNot a hull, motor, or other transducer, etc Without deadrise adjustmentBe fully tightened until all adjustments are made Headed pin can be inserted from either side of the bracketCompletely tighten Normal Cavitation Force is necessary to pivot the assemblyTrolling Motor Transducer Installation Hand-tighten only Test and Finish the Transducer InstallationTo the cable as shown Follow these steps to stem mount the GPS receiverAccess Under Mounting Location No Access Under Mounting LocationAccess Under Mounting Location Finish Routing the Cable and Check GPS Receiver Operation Speed Accessory InstallationHand tighten only Install the Speed accessoryRotating Retaining Axial Clip to Remove Paddlewheel Testing the System InstallationGetting Started Using Your 900 Series Powering UP the Control HeadTriplog WHAT’S on the Sonar DisplayUnderstanding Sonar History Real Time Sonar RTS WindowSonar Bottom Presentation KHz provides highest resolution with 160 total beam width Understanding Side ImagingKHz provides maximum coverage with 180 total beam width Topography Changes Bottom Return Triplog WHAT’S on the Side Imaging DisplaySide Imaging Technology HOW IT Works Side Imaging on the Water InterpretationSide Imaging Representation Submerged Ravine with Timber Submerged Swimming Pool Submerged Standing and Fallen Timber, Plus Bait FishMenu KEY POWER/LIGHT KEYKEY Functions View KEYInfo KEY View Preset KeysWAY Cursor Control KEY Exit KEYSonar views ViewsMARK/GOTO KEY Views available on your 900 Series areViews and Readouts Sonar ViewSonar View Sonar Zoom View Sonar Zoom ViewSide Imaging View Split Sonar ViewSide Imaging View Split Sonar ViewSide/Sonar Combo View SIDE/SONAR Combo ViewBird’s Eye View Chart/Bird’s Eye Combo ViewChart/Sonar View Chart View with Active CursorChart/Side Combo View CHART/SIDE Combo ViewNavigation Chart View with Cursor PresentWaypoints, Routes and Tracks WAYPOINTS, Routes and TracksNavigate to a Waypoint or Position Chart View with Target Chart View with GridADD a Waypoint Target or Trolling Grid SAVE, Edit or Delete a Route Press Menu Menu SystemStart-Up Options Menu Sonar Tab, Normal Mode Sonar Tab, Advanced ModeSTART-UP Options Menu Normal Simulator System StatusSystem Status Self Test Accessory Test GPS Diagnostic ViewNormal Operation SimulatorAccessory Test Accessory Test ScreenGPS Diagnostic View Split Position To Adjust Split Screen PositionSonar X-PRESS Menu Active SideUpper Range To adjust the SensitivityTo adjust the Upper Range SensitivityChart Speed Lower RangeZoom Level Bottom Lock Bottom RangeSonar Colors Highlight Split Position on the Side Imaging X-Press Menu Side Imaging Views onlySide Imaging X-Press Menu SI Side SI SensitivitySI Range Highlight SI Colors on the Side Imaging X-Pressmenu SI ColorsNavigation X-PRESS Menu To change the SI ColorsTo Clear Current Track Save Current TrackClear Current Track To Save Current TrackRemove Target Cancel NavigationSave Current Route Skip Next WaypointOnly if a Grid is active Remove GridSonar Menu TAB To Remove a GridBeam Select Side View FrequencyFish ID+ Highlight Fish ID Sensitivity on the Sonar main menu To change the Fish ID Sensitivity settingFish ID Sensitivity To turn Fish ID+ on or offZoom Width To change the RTS Window settingTo adjust the Bottom View Bottom ViewNoise Filter KHZ SensitivityDepth Lines Surface ClutterMAX Depth Water TypeColor BAR Navigation Menu TAB Temperature GraphTo change the display of the Temperature Graph Sonar View only, with Temperature inputTracks WaypointsRoutes Trackpoint Interval Chart OrientationNorth Reference Trolling Grid RotationDelete ALL NAV Data Track MIN DistanceMAP Datum Export ALL NAV DataMAP Borders Chart Menu TABChart Detail Level To change the Chart Detail Level settingSET Simulation Position LAT/LON GridSpot Soundings Shaded DepthClear MAP Offset Alarms Menu TABTo change the Map Offset setting SET MAP OffsetTemp Alarm Depth AlarmFish ID Alarm LOW Battery AlarmOFF Course Alarm Arrival AlarmDrift Alarm Highlight Alarm Tone on the Alarms main menu Alarm ToneSetup Menu TAB To change the Alarm Tone settingUnits Speed Units DepthUnits Temp Units DistanceLanguage User ModeTriplog Reset Restore DefaultsSelect Readouts Default Sonar ViewTemp Offset To change the Depth Offset settingTo change the Temp Offset setting Depth OffsetPosition Format Speed CalibrationLocal Time Zone Daylight Saving TimeTime Format Date FormatNmea Output To Change the View Status of Any View Views Menu TABTo turn Sonar on or off Following views are availableSeries Defaults to Simulator with a Transducer Attached Accessories Menu TABTroubleshooting Series Doesn’t Power UpControl head loses power at high speeds Display ProblemsBoat’s engine Finding the Cause of NoiseOther electronic devices Noise re-appearsHumminbird Service Policy Year Limited WarrantyReturning Your Unit for Service Series AccessoriesFor IN-WARRANTY service, complete the following steps Area of Coverage SpecificationsTransducer Mounting Template XHS-9-SI-160-T Appendix aContact Humminbird