Transducer Installation, Motor Position | Humminbird 987C SI COMBO

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TRANSDUCER INSTALLATION

There are two different installation methods for your transducer:

•Transom Transducer

•Trolling Motor Transducer.

Find the section that describes the method of installation you will be using.

The Side Imaging transducer has some special requirements because of its side viewing capabilities:

•The Side Imaging transducer must NOT have anything obstructing the ‘view’ of the side looking beams, i.e. nothing can be in the line of sight of these beams (not a hull, motor, or other transducer, etc).

NOTE: You may need to tilt the motor up and out of the way when using the side looking beams.

•In order for the side beams to be displayed accurately, the transducer must be mounted so that it is looking straight down in the water when the boat is in the water.

		Transducer Position
	Correct transducer position	Incorrect transducer position,
	Correct transducer position	interfering with the side beams
		interfering with the side beams

Motor Position

	Motor is far enough forward	Motor is not far enough forward,
	Motor is far enough forward	interfering with the side beams
		interfering with the side beams

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Humminbird 987C SI COMBO manual Transducer Installation, Transom Transducer Trolling Motor Transducer, Motor Position

Contents

Page Thank You Table of Contents Sonar X-Press Menu Menu System Start-Up Options MenuSide Imaging X-Press Menu Sonar Menu Tab Setup Menu Tab Alarms Menu Tab Contact Humminbird Views Menu Tab Accessories Menu Tab Troubleshooting HOW the 900 Series Works Series IntroductionSide Imaging Sonar Dualbeam Plus Sonar Multi-Media Card MMC/SD Slot MULTI-MEDIA Card MMC/SD Slot Installation Overview Accessory BUS Accessory Bus Control Head Installation900 Series has a wide variety of configurations Gimbal Mounting the Control Head Mounting Screws Washer Speed Communications Transducer Cable Collector Insert Cables Routed Near Mounting Bracket Back of Control Head IN-DASH Mounting the Control HeadParts and tools specific to In-dash mounting are Expansion ports use for future accessories Beginning of this procedure Connecting the Control Head Power Cable to the Boat Motor Position Transducer InstallationTransom Transducer Trolling Motor Transducer Stepped Hull Transom Transducer Installation Not a hull, motor, or other transducer, etc Without deadrise adjustment Completely tighten Be fully tightened until all adjustments are madeHeaded pin can be inserted from either side of the bracket Normal Cavitation Force is necessary to pivot the assembly Trolling Motor Transducer Installation Hand-tighten only Test and Finish the Transducer Installation To the cable as shown Follow these steps to stem mount the GPS receiver Access Under Mounting Location Access Under Mounting LocationNo Access Under Mounting Location Finish Routing the Cable and Check GPS Receiver Operation Speed Accessory Installation Hand tighten only Install the Speed accessory Rotating Retaining Axial Clip to Remove Paddlewheel Testing the System Installation Series 987c SI Combo Title Screen Powering UP the Control Head Triplog WHAT’S on the Sonar Display Sonar Bottom Presentation Understanding Sonar HistoryReal Time Sonar RTS Window KHz provides maximum coverage with 180 total beam width KHz provides highest resolution with 160 total beam widthUnderstanding Side Imaging Topography Changes Bottom Return Triplog WHAT’S on the Side Imaging Display Side Imaging Representation Side Imaging Technology HOW IT WorksSide Imaging on the Water Interpretation Submerged Ravine with Timber Submerged Swimming Pool Submerged Standing and Fallen Timber, Plus Bait Fish KEY Functions POWER/LIGHT KEYView KEY Menu KEY WAY Cursor Control KEY View Preset KeysExit KEY Info KEY MARK/GOTO KEY ViewsViews available on your 900 Series are Sonar views Sonar View Views and ReadoutsSonar View Sonar Zoom View Sonar Zoom View Side Imaging View Split Sonar ViewSplit Sonar View Side Imaging View Side/Sonar Combo View SIDE/SONAR Combo View Bird’s Eye View Chart/Bird’s Eye Combo View Chart/Sonar View Chart View with Active Cursor Chart/Side Combo View CHART/SIDE Combo View Navigation Chart View with Cursor Present Waypoints, Routes and Tracks WAYPOINTS, Routes and Tracks Navigate to a Waypoint or Position ADD a Waypoint Target or Trolling Grid Chart View with TargetChart View with Grid SAVE, Edit or Delete a Route Press Menu Menu System START-UP Options Menu Sonar Tab, Normal Mode Sonar Tab, Advanced ModeNormal Simulator System Status Start-Up Options Menu Normal Operation Self Test Accessory Test GPS Diagnostic ViewSimulator System Status GPS Diagnostic View Accessory TestAccessory Test Screen Sonar X-PRESS Menu To Adjust Split Screen PositionActive Side Split Position To adjust the Upper Range To adjust the SensitivitySensitivity Upper Range Zoom Level Chart SpeedLower Range Sonar Colors Bottom LockBottom Range Side Imaging X-Press Menu Highlight Split Position on the Side Imaging X-Press MenuSide Imaging Views only SI Range SI SideSI Sensitivity Navigation X-PRESS Menu SI ColorsTo change the SI Colors Highlight SI Colors on the Side Imaging X-Pressmenu Clear Current Track Save Current TrackTo Save Current Track To Clear Current Track Save Current Route Cancel NavigationSkip Next Waypoint Remove Target Sonar Menu TAB Remove GridTo Remove a Grid Only if a Grid is active Fish ID+ Beam SelectSide View Frequency Fish ID Sensitivity To change the Fish ID Sensitivity settingTo turn Fish ID+ on or off Highlight Fish ID Sensitivity on the Sonar main menu To adjust the Bottom View To change the RTS Window settingBottom View Zoom Width Depth Lines KHZ SensitivitySurface Clutter Noise Filter Color BAR MAX DepthWater Type To change the display of the Temperature Graph Temperature GraphSonar View only, with Temperature input Navigation Menu TAB Routes TracksWaypoints North Reference Chart OrientationTrolling Grid Rotation Trackpoint Interval MAP Datum Track MIN DistanceExport ALL NAV Data Delete ALL NAV Data Chart Detail Level Chart Menu TABTo change the Chart Detail Level setting MAP Borders Spot Soundings LAT/LON GridShaded Depth SET Simulation Position To change the Map Offset setting Alarms Menu TABSET MAP Offset Clear MAP Offset Fish ID Alarm Depth AlarmLOW Battery Alarm Temp Alarm Drift Alarm OFF Course AlarmArrival Alarm Setup Menu TAB Alarm ToneTo change the Alarm Tone setting Highlight Alarm Tone on the Alarms main menu Units Temp Units DepthUnits Distance Units Speed Triplog Reset User ModeRestore Defaults Language Select Readouts Default Sonar View To change the Temp Offset setting To change the Depth Offset settingDepth Offset Temp Offset Local Time Zone Speed CalibrationDaylight Saving Time Position Format Nmea Output Time FormatDate Format To turn Sonar on or off Views Menu TABFollowing views are available To Change the View Status of Any View Troubleshooting Accessories Menu TABSeries Doesn’t Power Up Series Defaults to Simulator with a Transducer Attached Control head loses power at high speeds Display Problems Other electronic devices Finding the Cause of NoiseNoise re-appears Boat’s engine Humminbird Service Policy Year Limited Warranty For IN-WARRANTY service, complete the following steps Returning Your Unit for ServiceSeries Accessories Area of Coverage Specifications Transducer Mounting Template XHS-9-SI-160-T Appendix a Contact Humminbird