Humminbird 937C COMBO, 937C DF manual Corner of the template, Moves clockwise as the boat moves

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To mount the transducer bracket to the boat (Single frequency unit):

To attach the pivot to the transducer (Single frequency unit):

1.Remove the transducer mounting template from this manual. See Appendix A for the Single Frequency Mounting Template.

NOTE: Please make sure that you use the correct drill holes for the hull composition of your boat.

1

2

1.Attach the Two Piece Kick-Up pivot to the transducer body, using the 1/4" - 20 x 1 1/4" Phillips head pivot bolt, the nyloc nut, and the two toothed lock washers.

2. Hold the template on the transom of

the boat in the location where the

transducer will be installed. Align the

template vertically, matching the lower

6

3

4 5

NOTE: The toothed lock washers must be positioned between the transducer arms and the pivot knuckle regardless of mounting bracket type.

Level

15” (380 mm)

from prop(s)

 

edge of the transom with the bottom

corner of the template. If your propeller

moves clockwise as the boat moves

forward, mount the transducer on the

starboard side, and use the bottom left

corner of the template. If your propeller

moves counter-clockwise as the boat

moves forward, mount the transducer on

the port side, and use the bottom right

corner of the template.

1Toothed Lock Washer

2Kick-Up

3Pivot Knuckle

4Transducer Arms

5Pivot Bolt

6Nyloc Nut

2.Using a Phillips screwdriver and a 7/16” wrench, loosely tighten the pivot bolt. Do not completely tighten the assembly at this time, so that the pivot angle can be adjusted later.

3.Using a pencil or punch, mark the two mounting holes (shown on the template for your type of hull) on the transom. Do not mark or drill any other holes at this time.

4.Using a 9/64" (3.5 mm) bit, drill the two holes to a depth of approximately 1" (25 mm).

1

12

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Contents Page Thank YOU Table of Contents Menu System Start-Up Options Menu Contact Humminbird HOW the 900 Series Works Series IntroductionSingle Beam Sonar Dualbeam Plus SonarMulti-Media Card MMC/SD Slot MULTI-MEDIA Card MMC/SD SlotInstallation Overview Accessory BUSAccessory Bus 900 Series has a wide variety of configurationsGimbal 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 InstallationTo determine transducer mounting location Transom Transducer InstallationDetermine transducer mounting location Route the transducer cableMoves 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 Route the cable Permanently mount the transducerMake sure the position of the transducer is marked Inside the HullTest and Finish the Transducer Installation Trolling Motor Transducer InstallationIf you have… Then use Stem Mounting with AN Existing 1 14 Thread StemHand-tighten only Follow these steps to stem mount the GPS receiverTo 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 Menu KEY View KEYWAY Cursor Control KEY Fishing requirements see View Menu TabExit KEY View Preset KeysInfo KEY MARK/GOTO KEYViews and Readouts ViewsSonar views Navigation 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 Normal Operation Exit Normal operation by powering your 900 Series offSimulator SimulatorSelf Test Accessory Test Accessory TestSystem Status Self TestSonar X-PRESS Menu GPS Diagnostic ViewSplit Position Active SideSensitivity To adjust the Lower Range To adjust the Upper RangeUpper Range Lower RangeZoom Level Chart SpeedBottom Lock Sonar ColorsNavigation X-Press Menu Highlight Split Position on the Navigation X-Press MenuSave Current Route Save Current TrackClear Current Track Remove Grid Cancel NavigationRemove Target Beam Select Sonar Menu TABTo use Beam Select Highlight Beam Select on the Sonar main menuFish ID+ To change the Fish ID Sensitivity settingFish ID Sensitivity To turn Fish ID+ on or offBottom View To adjust the Bottom ViewZoom Width To change the Zoom WidthDepth Lines KHZ SensitivitySurface Clutter Noise FilterTransducer Select MAX DepthWater Type Navigation Menu TAB Temperature GraphColor BAR Waypoints TracksRoutes Trolling Grid Rotation North ReferenceTrackpoint Interval Track MIN DistanceDelete ALL NAV Data MAP DatumExport ALL NAV Data Chart Detail Level Chart Menu TABTo change the Chart Detail Level setting To change the Map Borders settingShaded Depth LAT/LON GridSpot Soundings Clear MAP Offset Alarms Menu TABSET MAP Offset Fish ID Alarm Depth AlarmLOW Battery Alarm Temp AlarmArrival Alarm OFF Course AlarmDrift Alarm To change the Off Course Alarm settingHighlight Alarm Tone on the Alarms main menu Alarm ToneTo change the Alarm Tone setting To change the Units Depth setting Setup Menu TABTo change the Units Temp setting Units DepthUnits Distance User ModeUnits Speed LanguageRestore Defaults Triplog ResetTo Reset Triplog To Restore DefaultsTo Select Readouts Default Sonar View Customized Sonar ViewTemp Offset Depth OffsetSpeed Calibration Local Time ZonePosition Format Daylight Saving TimeSonar Nmea OutputFollowing Nmea sentences are output To turn Nmea Output on or offViews Menu TAB Accessories Menu TABTo Change the View Status of Any View Highlight the View main menu tabSeries Defaults to Simulator with a Transducer Attached TroubleshootingSeries Doesn’t Power Up Problem Possible Cause Display ProblemsOther electronic devices Finding the Cause of NoiseNoise re-appears Boat’s engineHumminbird 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