Humminbird 987C SI COMBO manual Headed pin can be inserted from either side of the bracket

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www98x Manual..reelsche531376-1 A.qxd m2/23/2005atic11:39..coAM mPage 20

5. Align the metal mounting bracket with the mounting holes. The center slot should be above the two outer slots. (This bracket and all other hardware supplied is top quality stainless steel for maximum strength and corrosion protection.) Insert the three 1" (25 mm) flat head wood screws into the drilled holes, but do not

To mount the transducer pivot assembly to the bracket:

1.	Slide the assembled transducer into the metal bracket from the bottom,
	aligning the large hole at the top of the bracket with the hole in the pivot.
2.	Insert the headed pin through the pivot holes in the bracket and pivot. The
	headed pin can be inserted from either side of the bracket.

Attaching the Bracket

completely tighten.

3. Place the nylon washer over the opposite end of the headed pin. Place the

stainless washer over the 1/4"-20 x 5/8" (16 mm) screw threads, then insert into

To attach the pivot to the transducer:

1.Attach the pivot to the transducer body, using the two 1/4"-20 x 5/8" (16 mm) machine screws, toothed washers, and square nuts. The toothed washers must fit on the inside of the transducer ears, between the pivot and the ears. The square nuts will be prevented from rotating by the pocket in the back of the pivot. An Allen wrench is provided which fits all the 1/4"-20 screws, but do not fully tighten the screws at this time.

		3
1	2	4
	2

1 Insert the square nuts
2	Toothed Washer
3	Pivot	Attach the Pivot

4Machine Screw

the opposite end of the headed pin and finger tighten only. The screw has a

thread locking compound on the threads to prevent loosening, and should not

be fully tightened until all adjustments are made.

NOTE: The running position of the transducer is now completely adjustable. Subsequent adjustment may be necessary to tweak the installation after high speed testing.

1	5		1	Screw
3		2	1	Screw
		2	2	Headed Pin


	4		3	Allen Wrench
			4	Nylon Washer
			5	Stainless Washer

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Contents Page Thank You Table of Contents Menu System Start-Up Options Menu Sonar X-Press MenuSide Imaging X-Press Menu Sonar Menu TabAlarms Menu Tab Setup Menu TabViews Menu Tab Accessories Menu Tab Troubleshooting Contact HumminbirdSeries Introduction HOW the 900 Series WorksSide Imaging Sonar Dualbeam Plus SonarMULTI-MEDIA Card MMC/SD Slot Multi-Media Card MMC/SD SlotAccessory BUS Installation OverviewAccessory Bus Control Head Installation900 Series has a wide variety of configurations Gimbal Mounting the Control Head Mounting Screws Washer Cables Routed Near Mounting Bracket Speed Communications Transducer Cable Collector InsertBack of Control Head IN-DASH Mounting the Control HeadParts and tools specific to In-dash mounting are Expansion ports use for future accessories Connecting the Control Head Power Cable to the Boat Beginning of this procedureMotor Position Transducer InstallationTransom Transducer Trolling Motor Transducer Transom Transducer Installation Stepped HullWithout deadrise adjustment Not a hull, motor, or other transducer, etcCompletely tighten Be fully tightened until all adjustments are madeHeaded pin can be inserted from either side of the bracket 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 shownAccess Under Mounting Location Access Under Mounting LocationNo Access 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 TriplogSonar 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 WHAT’S on the Side Imaging Display Topography Changes Bottom Return TriplogSide Imaging Representation Side Imaging Technology HOW IT WorksSide Imaging on the Water Interpretation Submerged Ravine with Timber Submerged Standing and Fallen Timber, Plus Bait Fish Submerged Swimming PoolPOWER/LIGHT KEY KEY FunctionsView KEY Menu KEYView Preset Keys WAY Cursor Control KEYExit KEY Info KEYViews MARK/GOTO KEYViews available on your 900 Series are Sonar viewsSonar View Views and ReadoutsSonar View Sonar Zoom View Sonar Zoom ViewSplit Sonar View Side Imaging ViewSplit Sonar 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 ADD a Waypoint Target or Trolling Grid Chart View with TargetChart View with Grid SAVE, Edit or Delete a Route Menu System Press MenuSonar Tab, Normal Mode Sonar Tab, Advanced Mode START-UP Options MenuNormal Simulator System Status Start-Up Options MenuSelf Test Accessory Test GPS Diagnostic View Normal OperationSimulator System StatusGPS Diagnostic View Accessory TestAccessory Test Screen To Adjust Split Screen Position Sonar X-PRESS MenuActive Side Split PositionTo adjust the Sensitivity To adjust the Upper RangeSensitivity Upper RangeZoom 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 SI Colors Navigation X-PRESS MenuTo change the SI Colors Highlight SI Colors on the Side Imaging X-PressmenuSave Current Track Clear Current TrackTo Save Current Track To Clear Current TrackCancel Navigation Save Current RouteSkip Next Waypoint Remove TargetRemove Grid Sonar Menu TABTo Remove a Grid Only if a Grid is activeFish ID+ Beam SelectSide View Frequency To change the Fish ID Sensitivity setting Fish ID SensitivityTo turn Fish ID+ on or off Highlight Fish ID Sensitivity on the Sonar main menuTo change the RTS Window setting To adjust the Bottom ViewBottom View Zoom WidthKHZ Sensitivity Depth LinesSurface Clutter Noise FilterColor BAR MAX DepthWater Type Temperature Graph To change the display of the Temperature GraphSonar View only, with Temperature input Navigation Menu TABRoutes TracksWaypoints Chart Orientation North ReferenceTrolling Grid Rotation Trackpoint IntervalTrack MIN Distance MAP DatumExport ALL NAV Data Delete ALL NAV DataChart Menu TAB Chart Detail LevelTo change the Chart Detail Level setting MAP BordersLAT/LON Grid Spot SoundingsShaded Depth SET Simulation PositionAlarms Menu TAB To change the Map Offset settingSET MAP Offset Clear MAP OffsetDepth Alarm Fish ID AlarmLOW Battery Alarm Temp AlarmDrift Alarm OFF Course AlarmArrival Alarm Alarm Tone Setup Menu TABTo change the Alarm Tone setting Highlight Alarm Tone on the Alarms main menuUnits Depth Units TempUnits Distance Units SpeedUser Mode Triplog ResetRestore Defaults LanguageDefault Sonar View Select ReadoutsTo change the Depth Offset setting To change the Temp Offset settingDepth Offset Temp OffsetSpeed Calibration Local Time ZoneDaylight Saving Time Position FormatNmea Output Time FormatDate Format Views Menu TAB To turn Sonar on or offFollowing views are available To Change the View Status of Any ViewAccessories Menu TAB TroubleshootingSeries Doesn’t Power Up Series Defaults to Simulator with a Transducer AttachedDisplay Problems Control head loses power at high speedsFinding the Cause of Noise Other electronic devicesNoise re-appears Boat’s engineYear Limited Warranty Humminbird Service PolicyFor IN-WARRANTY service, complete the following steps Returning Your Unit for ServiceSeries Accessories Specifications Area of CoverageAppendix a Transducer Mounting Template XHS-9-SI-160-TContact Humminbird