Humminbird 987C SI COMBO Control Head Installation, Series has a wide variety of configurations

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The 900 Series™ has a wide variety of configurations.

987c

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	6	Accessory Bus
		Accessory Bus
1	Sonar Transducer w/Temperature	Speed through water	6
2	Optional “Y” Cable	GPS Receiver	7
3	NMEA 0183	WeatherSense®	8
4	Power	SmartCast® Wireless Sonar Link	9

5Temperature

Inside the boat there is often a channel or conduit used for other wiring, this can be used to route cables. Be sure to route the cable as far as practical from the antenna cable of VHF radios or tachometer cables to reduce the possibility of interference. The transducer and GPS receiver cables should not be cut, and care should be used not to damage the cable insulation.

Basic installation tasks that you must perform include:

•Installing the control head (choosing either gimbal or in-dash mounting)

•Installing the transducer (choosing either the transom mount or trolling motor mounting method)

•Installing the GPS Receiver (if included)

•Installing the Speed accessory (if included)

•Testing the complete installation and locking the transducer position.

The supplied Humminbird® transducer uses a two piece kick-up mounting bracket. In addition, if you purchased a 987c SI Combo model, you will want to install the included GPS antenna.

NOTE: Accessories may require a separate purchase. You can visit our website at www.humminbird.com to order these accessories online or contact our Customer Resource Center at 1-800-633-1468.

CONTROL HEAD INSTALLATION

You have two choices for mounting your 900 Series™ control head:

•Gimbal mounting, where you use a surface on the boat, such as the dash, to mount the control head so that it can be tilted up or down, or

•In-dash mounting, where you cut a hole in the dash in order to allow the control head to be recessed into the dash, and the control head cannot be moved after mounting.

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Contents Page Thank You Table of Contents Side Imaging X-Press Menu Menu System Start-Up Options MenuSonar X-Press Menu Sonar Menu TabAlarms Menu Tab Setup Menu TabViews Menu Tab Accessories Menu Tab Troubleshooting Contact HumminbirdSide Imaging Sonar Series IntroductionHOW the 900 Series Works Dualbeam Plus SonarMULTI-MEDIA Card MMC/SD Slot Multi-Media Card MMC/SD SlotAccessory BUS Installation Overview900 Series has a wide variety of configurations Control Head InstallationAccessory Bus Gimbal Mounting the Control Head Mounting Screws Washer Cables Routed Near Mounting Bracket Speed Communications Transducer Cable Collector InsertParts and tools specific to In-dash mounting are IN-DASH Mounting the Control HeadBack of Control Head Expansion ports use for future accessories Connecting the Control Head Power Cable to the Boat Beginning of this procedureTransom Transducer Trolling Motor Transducer Transducer InstallationMotor Position Transom Transducer Installation Stepped HullWithout deadrise adjustment Not a hull, motor, or other transducer, etcHeaded pin can be inserted from either side of the bracket Be fully tightened until all adjustments are madeCompletely tighten Force is necessary to pivot the assembly Normal CavitationTrolling Motor Transducer Installation Test and Finish the Transducer Installation Hand-tighten onlyFollow these steps to stem mount the GPS receiver To the cable as shownNo Access Under Mounting Location Access Under Mounting LocationAccess Under Mounting Location Speed Accessory Installation Finish Routing the Cable and Check GPS Receiver OperationInstall the Speed accessory Hand tighten onlyTesting the System Installation Rotating Retaining Axial Clip to Remove PaddlewheelPowering UP the Control Head Series 987c SI Combo Title ScreenWHAT’S on the Sonar Display TriplogReal Time Sonar RTS Window Understanding Sonar HistorySonar Bottom Presentation Understanding Side Imaging KHz provides highest resolution with 160 total beam widthKHz provides maximum coverage with 180 total beam width WHAT’S on the Side Imaging Display Topography Changes Bottom Return TriplogSide Imaging on the Water Interpretation Side Imaging Technology HOW IT WorksSide Imaging Representation Submerged Ravine with Timber Submerged Standing and Fallen Timber, Plus Bait Fish Submerged Swimming PoolView KEY POWER/LIGHT KEYKEY Functions Menu KEYExit KEY View Preset KeysWAY Cursor Control KEY Info KEYViews available on your 900 Series are ViewsMARK/GOTO KEY Sonar viewsSonar View Views and ReadoutsSonar View Sonar Zoom View Sonar Zoom ViewSplit Sonar View Split Sonar ViewSide Imaging View Side Imaging ViewSIDE/SONAR Combo View Side/Sonar Combo ViewChart/Bird’s Eye Combo View Bird’s Eye ViewChart View with Active Cursor Chart/Sonar ViewCHART/SIDE Combo View Chart/Side Combo ViewChart View with Cursor Present NavigationWAYPOINTS, Routes and Tracks Waypoints, Routes and TracksNavigate to a Waypoint or Position Chart View with Grid Chart View with TargetADD a Waypoint Target or Trolling Grid SAVE, Edit or Delete a Route Menu System Press MenuNormal Simulator System Status Sonar Tab, Normal Mode Sonar Tab, Advanced ModeSTART-UP Options Menu Start-Up Options MenuSimulator Self Test Accessory Test GPS Diagnostic ViewNormal Operation System StatusAccessory Test Screen Accessory TestGPS Diagnostic View Active Side To Adjust Split Screen PositionSonar X-PRESS Menu Split PositionSensitivity To adjust the SensitivityTo adjust the Upper Range Upper RangeLower Range Chart SpeedZoom Level Bottom Range Bottom LockSonar Colors Side Imaging Views only Highlight Split Position on the Side Imaging X-Press MenuSide Imaging X-Press Menu SI Sensitivity SI SideSI Range To change the SI Colors SI ColorsNavigation X-PRESS Menu Highlight SI Colors on the Side Imaging X-PressmenuTo Save Current Track Save Current TrackClear Current Track To Clear Current TrackSkip Next Waypoint Cancel NavigationSave Current Route Remove TargetTo Remove a Grid Remove GridSonar Menu TAB Only if a Grid is activeSide View Frequency Beam SelectFish ID+ To turn Fish ID+ on or off To change the Fish ID Sensitivity settingFish ID Sensitivity Highlight Fish ID Sensitivity on the Sonar main menuBottom View To change the RTS Window settingTo adjust the Bottom View Zoom WidthSurface Clutter KHZ SensitivityDepth Lines Noise FilterWater Type MAX DepthColor BAR Sonar View only, with Temperature input Temperature GraphTo change the display of the Temperature Graph Navigation Menu TABWaypoints TracksRoutes Trolling Grid Rotation Chart OrientationNorth Reference Trackpoint IntervalExport ALL NAV Data Track MIN DistanceMAP Datum Delete ALL NAV DataTo change the Chart Detail Level setting Chart Menu TABChart Detail Level MAP BordersShaded Depth LAT/LON GridSpot Soundings SET Simulation PositionSET MAP Offset Alarms Menu TABTo change the Map Offset setting Clear MAP OffsetLOW Battery Alarm Depth AlarmFish ID Alarm Temp AlarmArrival Alarm OFF Course AlarmDrift Alarm To change the Alarm Tone setting Alarm ToneSetup Menu TAB Highlight Alarm Tone on the Alarms main menuUnits Distance Units DepthUnits Temp Units SpeedRestore Defaults User ModeTriplog Reset LanguageDefault Sonar View Select ReadoutsDepth Offset To change the Depth Offset settingTo change the Temp Offset setting Temp OffsetDaylight Saving Time Speed CalibrationLocal Time Zone Position FormatDate Format Time FormatNmea Output Following views are available Views Menu TABTo turn Sonar on or off To Change the View Status of Any ViewSeries Doesn’t Power Up Accessories Menu TABTroubleshooting Series Defaults to Simulator with a Transducer AttachedDisplay Problems Control head loses power at high speedsNoise re-appears Finding the Cause of NoiseOther electronic devices Boat’s engineYear Limited Warranty Humminbird Service PolicySeries Accessories Returning Your Unit for ServiceFor IN-WARRANTY service, complete the following steps Specifications Area of CoverageAppendix a Transducer Mounting Template XHS-9-SI-160-TContact Humminbird