Humminbird 937C DF COMBO, 937C COMBO manual Mounting Screws Washer Gimbal Mounting Bracket

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1.Place the control head into the gimbal bracket. Make sure that the straight side of the gimbal arm is against the back side of the control head.

2.Place a 1" (25 mm) diameter black washer on the gimbal knob and then thread the knob and washer into the housing. Tighten the gimbal knob to secure the 900 Series™ control head to the mount. Repeat step 2 for the other side.

You can now place the control head in various locations to decide which is best for mounting. Rotating the mounting bracket to the top of the control head will allow for overhead mounting. The chosen mounting area should allow for sufficient room so the control head can pivot through the full tilt range and allow for easy removal and installation.

NOTE: You can drill the cable pass hole underneath the gimbal bracket, allowing you to thread the cables through the knock-out holes in the mount; however, if you cannot drill the hole directly under the mounting bracket, then you will need to drill the cable pass hole behind the bracket, and will need to mount the hole cover there instead.

NOTE: When drilling holes in fiberglass hulls, it is best to start with a smaller bit and use progressively larger drill bits to reduce the chance of chipping or flaking the outer coating. Fill all holes with marine grade silicone sealant.

NOTE: You must have underside access to the mounting location to pass the cables through to the surface. Also, make sure that the mounting surface is adequately supported to protect the control head from excessive wave shock and vibration and provide visibility while in operation.

3.After the mounting location has been determined, loosen the gimbal knobs and remove the control head from the gimbal bracket.

NOTE: Alternate hole patterns are available underneath the gimbal mounting bracket, and may match existing holes on the boat. If you choose to use one of these alternate hole patterns, simply drill it out and use it to mount the bracket instead.

4.Place the gimbal bracket in the chosen position on the mounting surface and mark the four mounting screw locations using a pencil or center punch.

NOTE: Go to the installation instructions applicable to your transducer, GPS Receiver and accessories. Make the required installations and then run the cables to your control head mounting location. Do not cut any cabling (except the power cable). If your cables are too short, extensions are available from your local dealer or online from www.humminbird.com.

8.5"

5"

3.6"

1.25"

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1Mounting Screws

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3Gimbal Mounting Bracket

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Contents Page Thank YOU Table of Contents Menu System Start-Up Options Menu Contact Humminbird Single Beam Sonar Series IntroductionHOW the 900 Series Works Dualbeam Plus SonarMULTI-MEDIA Card MMC/SD Slot Multi-Media Card MMC/SD SlotAccessory Bus Accessory BUSInstallation Overview 900 Series has a wide variety of configurationsBasic installation tasks that you must perform include Control Head InstallationGimbal Mounting the Control Head Mounting Screws Washer Gimbal Mounting Bracket Cables Routed Near Mounting Bracket Back of Control Head IN-DASH Mounting the Control Head Plug Cable Connector Assembly to Back of Control Head TemperatureTransducer Installation Connecting the Control Head Power Cable to the BoatDetermine transducer mounting location Transom Transducer InstallationTo determine transducer mounting location Route the transducer cableCorner of the template Moves clockwise as the boat movesConfirm that the pivot angle has not changed Normal CavitationTo attach the pivot to the transducer Dual frequency unit Attaching the BracketOrder to gain access to the mounting screws, Force is necessary to pivot the assemblyTo route the transom transducer cable all transducers Trial installation Inside the Hull Transducer InstallationDetermine the transducer mounting location Make sure the position of the transducer is marked Permanently mount the transducerRoute the cable Inside the HullTrolling Motor Transducer Installation Test and Finish the Transducer InstallationHand-tighten only Stem Mounting with AN Existing 1 14 Thread StemIf you have… Then use Follow these steps to stem mount the GPS receiverAccess Under Mounting Location To the cable as shownNo Access Under Mounting Location Finish Routing the Cable and Check GPS Receiver OperationInstall the Speed accessory Speed Accessory InstallationHand tighten only Routing the speed cable to the control head Cleaning the Speed accessoryRotating Retaining Axial Clip to Remove Paddlewheel Testing the System Installation To test the installationPowering UP the Control Head Getting Started Using Your 900 SeriesSeries 937c DF Combo Title Screen WHAT’S on the Sonar Display TriplogReal Time Sonar RTS Window Understanding Sonar HistoryBottom Presentation KEY Functions POWER/LIGHT KEYMARK/GOTO key Info key Zoom +/- key WAY Cursor Control KEY View KEYMenu KEY Fishing requirements see View Menu TabInfo KEY View Preset KeysExit KEY MARK/GOTO KEYSonar views ViewsViews and Readouts Navigation viewsSonar Zoom View Sonar ViewSonar View Sonar Zoom View Split Sonar ViewBIRD’S EYE View Bird’s Eye ViewChart/Bird’s Eye Combo View Chart View with Active CursorChart/Sonar Combo View 1112Chart Orientation Chart View with Cursor PresentNavigation To save the marked position as a waypoint Waypoints, Routes and TracksNavigate to a Waypoint or Position Chart View with Grid Chart View with TargetADD a Waypoint Target or Trolling Grid Save or Clear a Current Track Menu System Press MenuSTART-UP Options Menu Sonar Tab, Normal ModeStart-Up Options Menu Simulator Exit Normal operation by powering your 900 Series offNormal Operation SimulatorSystem Status Accessory TestSelf Test Accessory Test Self TestGPS Diagnostic View Sonar X-PRESS MenuSensitivity Active SideSplit Position Upper Range To adjust the Upper RangeTo adjust the Lower Range Lower RangeBottom Lock Chart SpeedZoom Level Sonar ColorsHighlight Split Position on the Navigation X-Press Menu Navigation X-Press MenuClear Current Track Save Current TrackSave Current Route Remove Target Cancel NavigationRemove Grid To use Beam Select Sonar Menu TABBeam Select Highlight Beam Select on the Sonar main menuFish ID Sensitivity To change the Fish ID Sensitivity settingFish ID+ To turn Fish ID+ on or offZoom Width To adjust the Bottom ViewBottom View To change the Zoom WidthSurface Clutter KHZ SensitivityDepth Lines Noise FilterWater Type MAX DepthTransducer Select Color BAR Temperature GraphNavigation Menu TAB Routes TracksWaypoints Trackpoint Interval North ReferenceTrolling Grid Rotation Track MIN DistanceExport ALL NAV Data MAP DatumDelete ALL NAV Data To change the Chart Detail Level setting Chart Menu TABChart Detail Level To change the Map Borders settingSpot Soundings LAT/LON GridShaded Depth SET MAP Offset Alarms Menu TABClear MAP Offset LOW Battery Alarm Depth AlarmFish ID Alarm Temp AlarmDrift Alarm OFF Course AlarmArrival Alarm To change the Off Course Alarm settingTo change the Alarm Tone setting Alarm ToneHighlight Alarm Tone on the Alarms main menu To change the Units Temp setting Setup Menu TABTo change the Units Depth setting Units DepthUnits Speed User ModeUnits Distance LanguageTo Reset Triplog Triplog ResetRestore Defaults To Restore DefaultsDefault Sonar View Customized Sonar View To Select ReadoutsSpeed Calibration Depth OffsetTemp Offset Local Time ZoneDaylight Saving Time Position FormatFollowing Nmea sentences are output Nmea OutputSonar To turn Nmea Output on or offTo Change the View Status of Any View Accessories Menu TABViews Menu TAB Highlight the View main menu tabSeries Doesn’t Power Up TroubleshootingSeries Defaults to Simulator with a Transducer Attached Display Problems Problem Possible CauseNoise 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 Power OutputPlace on bottom of hull Appendix aAlign with transom Appendix B Contact Humminbird