Humminbird 937C COMBO, 937C DF COMBO manual Cables Routed Near Mounting Bracket

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5.Set the gimbal bracket aside and drill the four mounting screw holes using a 5/32" (4.0 mm) drill bit.

6a. If the cables must pass through a hole directly beneath the mounting bracket, mark and drill an additional 1" (25 mm) hole centered between the four mounting holes. Route the cables through the grommet, then press the grom- met in place around the cables and into the 1" (25 mm) hole. Pass the cables out of the back of the mounting bracket. Using needle-nose pliers, break out the tabs on the rear of the mounting base. You will need to break out the cable tabs for the number of cables you want to run to your control head.

6b. If the cables cannot be routed directly beneath the mounting bracket, mark and drill a 1" (25 mm) hole that will allow you to run the cables close to the bracket. Pass the cables through the 1" (25 mm) hole, routing the cables through the grommet and pressing the grommet into place. Place the hole cover over the mounting surface hole, then use it to mark the position of the two mounting screws. Remove the hole cover, drill the two mounting holes using a 9/64" (3.5 mm) bit, fill them with marine-grade silicone, then replace the hole cover and insert the #8 Phillips countersink wood screws. Hand-tighten only.

7.Place the mounting bracket on the mounting surface aligned with the drilled holes and fill the mounting holes with marine grade silicone. Insert the four #10 Slotted-Hex wood screws into the mounting holes. Hand-tighten only.

NOTE: Be sure that the cables pass through the slots on the hole cover or gimbal bracket break out tabs and there is enough cable slack to allow for the control head to pivot through its full tilt range. Extra cable slack will also help when connecting/disconnecting the cables.

		Cables Routed Directly Beneath Mounting Bracket
		1
1	Gimbal Bracket	2
2	Grommet

Cables Routed Near Mounting Bracket

1

3

1 Gimbal Bracket

2 Grommet

2

3Hole Cover

8.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 control head from the weather.

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Contents Page Thank YOU Table of Contents Menu System Start-Up Options Menu Contact Humminbird Dualbeam Plus Sonar Series IntroductionHOW the 900 Series Works Single Beam SonarMulti-Media Card MMC/SD Slot MULTI-MEDIA Card MMC/SD Slot900 Series has a wide variety of configurations Accessory BUSInstallation Overview Accessory BusGimbal Mounting the Control Head Control Head InstallationBasic installation tasks that you must perform include Mounting Screws Washer Gimbal Mounting Bracket Cables Routed Near Mounting Bracket Back of Control Head IN-DASH Mounting the Control Head Temperature Plug Cable Connector Assembly to Back of Control HeadConnecting the Control Head Power Cable to the Boat Transducer InstallationRoute the transducer cable Transom Transducer InstallationTo determine transducer mounting location Determine transducer mounting locationMoves clockwise as the boat moves Corner of the templateNormal Cavitation Confirm that the pivot angle has not changedAttaching the Bracket To attach the pivot to the transducer Dual frequency unitForce is necessary to pivot the assembly Order to gain access to the mounting screws,To route the transom transducer cable all transducers Determine the transducer mounting location Inside the Hull Transducer InstallationTrial installation Inside the Hull Permanently mount the transducerRoute the cable Make sure the position of the transducer is markedTest and Finish the Transducer Installation Trolling Motor Transducer InstallationFollow these steps to stem mount the GPS receiver Stem Mounting with AN Existing 1 14 Thread StemIf you have… Then use Hand-tighten onlyTo the cable as shown Access Under Mounting LocationFinish Routing the Cable and Check GPS Receiver Operation No Access Under Mounting LocationHand tighten only Speed Accessory InstallationInstall the Speed accessory Rotating Retaining Axial Clip to Remove Paddlewheel Cleaning the Speed accessoryRouting the speed cable to the control head To test the installation Testing the System InstallationSeries 937c DF Combo Title Screen Getting Started Using Your 900 SeriesPowering UP the Control Head Triplog WHAT’S on the Sonar DisplayBottom Presentation Understanding Sonar HistoryReal Time Sonar RTS Window MARK/GOTO key Info key Zoom +/- key POWER/LIGHT KEYKEY Functions Fishing requirements see View Menu Tab View KEYMenu KEY WAY Cursor Control KEYMARK/GOTO KEY View Preset KeysExit KEY Info KEYNavigation views ViewsViews and Readouts Sonar viewsSonar View Sonar ViewSonar Zoom View Split Sonar View Sonar Zoom ViewBird’s Eye View BIRD’S EYE ViewChart View with Active Cursor Chart/Bird’s Eye Combo View1112 Chart/Sonar Combo ViewChart View with Cursor Present Chart OrientationNavigation Waypoints, Routes and Tracks To save the marked position as a waypointNavigate to a Waypoint or Position ADD a Waypoint Target or Trolling Grid Chart View with TargetChart View with Grid Save or Clear a Current Track Press Menu Menu SystemStart-Up Options Menu Sonar Tab, Normal ModeSTART-UP Options Menu Simulator Exit Normal operation by powering your 900 Series offNormal Operation SimulatorSelf Test Accessory TestSelf Test Accessory Test System StatusSonar X-PRESS Menu GPS Diagnostic ViewSplit Position Active SideSensitivity Lower Range To adjust the Upper RangeTo adjust the Lower Range Upper RangeSonar Colors Chart SpeedZoom Level Bottom LockNavigation X-Press Menu Highlight Split Position on the Navigation X-Press MenuSave Current Route Save Current TrackClear Current Track Remove Grid Cancel NavigationRemove Target Highlight Beam Select on the Sonar main menu Sonar Menu TABBeam Select To use Beam SelectTo turn Fish ID+ on or off To change the Fish ID Sensitivity settingFish ID+ Fish ID SensitivityTo change the Zoom Width To adjust the Bottom ViewBottom View Zoom WidthNoise Filter KHZ SensitivityDepth Lines Surface ClutterTransducer Select MAX DepthWater Type Navigation Menu TAB Temperature GraphColor BAR Waypoints TracksRoutes Track MIN Distance North ReferenceTrolling Grid Rotation Trackpoint IntervalDelete ALL NAV Data MAP DatumExport ALL NAV Data To change the Map Borders setting Chart Menu TABChart Detail Level To change the Chart Detail Level settingShaded Depth LAT/LON GridSpot Soundings Clear MAP Offset Alarms Menu TABSET MAP Offset Temp Alarm Depth AlarmFish ID Alarm LOW Battery AlarmTo change the Off Course Alarm setting OFF Course AlarmArrival Alarm Drift AlarmHighlight Alarm Tone on the Alarms main menu Alarm ToneTo change the Alarm Tone setting Units Depth Setup Menu TABTo change the Units Depth setting To change the Units Temp settingLanguage User ModeUnits Distance Units SpeedTo Restore Defaults Triplog ResetRestore Defaults To Reset TriplogTo Select Readouts Default Sonar View Customized Sonar ViewLocal Time Zone Depth OffsetTemp Offset Speed CalibrationPosition Format Daylight Saving TimeTo turn Nmea Output on or off Nmea OutputSonar Following Nmea sentences are outputHighlight the View main menu tab Accessories Menu TABViews Menu TAB To Change the View Status of Any ViewSeries Defaults to Simulator with a Transducer Attached TroubleshootingSeries Doesn’t Power Up Problem Possible Cause Display ProblemsBoat’s engine Finding the Cause of NoiseOther electronic devices Noise re-appearsHumminbird Service Policy Year Limited WarrantyFor IN-WARRANTY service, complete the following steps Returning Your Unit for ServiceSeries Accessories Power Output SpecificationsAlign with transom Appendix aPlace on bottom of hull Appendix B Contact Humminbird