Humminbird 937C DF COMBO, 937C COMBO manual Specifications, Power Output

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SPECIFICATIONS

Depth Capability

937c DF Combo/931c DF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2500 ft (780 m) 937c Combo/931c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000 ft (330 m)

Power Output

937c DF Combo/931c DF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000 Watts (RMS), 8000 Watts (Peak to Peak) 937c Combo/931c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 750 Watts (RMS), 6000 Watts (Peak to Peak)

Operating Frequency

937c DF Combo/931c DF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 kHz and 50 kHz DualBeam PLUS™ 937c Combo/931c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 kHz Single Beam

Area of Coverage

937c DF Combo/931c DF. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74° @ -10 dB in 50 kHz & 20° @ -10 dB in 200 kHz 937c Combo/931c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20° @ -10 dB in 200 kHz

Target Separation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2½ Inches (63.5 mm) Power Requirement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-20 VDC LCD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 480V x 854H

Transducer

937c DF Combo/931c DF (Dual frequency) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . XHS-9-DB-74-T 937c Combo/931c (Single frequency). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . XHS-9-20-T

Transducer Cable Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 ft (6 m)

NOTE: Product specifications and features are subject to change without notice.

NOTE: Humminbird® verifies maximum stated depth in saltwater conditions, however actual depth performance may vary due to transducer installation, water type, thermal layers, bottom composition and slope.

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Contents Page Thank YOU Table of Contents Menu System Start-Up Options Menu Contact Humminbird Series Introduction HOW the 900 Series WorksSingle Beam Sonar Dualbeam Plus SonarMULTI-MEDIA Card MMC/SD Slot Multi-Media Card MMC/SD SlotAccessory BUS Installation OverviewAccessory Bus 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 BoatTransom Transducer Installation To determine transducer mounting locationDetermine 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 Permanently mount the transducer Route the cableMake sure the position of the transducer is marked Inside the HullTrolling Motor Transducer Installation Test and Finish the Transducer InstallationStem Mounting with AN Existing 1 14 Thread Stem If you have… Then useHand-tighten only 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 View KEY Menu KEYWAY Cursor Control KEY Fishing requirements see View Menu TabView Preset Keys Exit KEYInfo KEY MARK/GOTO KEYViews Views and ReadoutsSonar views 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 Exit Normal operation by powering your 900 Series off Normal OperationSimulator SimulatorAccessory Test Self Test Accessory TestSystem Status Self TestGPS Diagnostic View Sonar X-PRESS MenuSensitivity Active SideSplit Position To adjust the Upper Range To adjust the Lower RangeUpper Range Lower RangeChart Speed Zoom LevelBottom Lock 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 Sonar Menu TAB Beam SelectTo use Beam Select Highlight Beam Select on the Sonar main menuTo change the Fish ID Sensitivity setting Fish ID+Fish ID Sensitivity To turn Fish ID+ on or offTo adjust the Bottom View Bottom ViewZoom Width To change the Zoom WidthKHZ Sensitivity Depth LinesSurface Clutter Noise FilterWater Type MAX DepthTransducer Select Color BAR Temperature GraphNavigation Menu TAB Routes TracksWaypoints North Reference Trolling Grid RotationTrackpoint Interval Track MIN DistanceExport ALL NAV Data MAP DatumDelete ALL NAV Data Chart Menu TAB Chart Detail LevelTo change the Chart Detail Level setting To change the Map Borders settingSpot Soundings LAT/LON GridShaded Depth SET MAP Offset Alarms Menu TABClear MAP Offset Depth Alarm Fish ID AlarmLOW Battery Alarm Temp AlarmOFF Course Alarm Arrival AlarmDrift Alarm To change the Off Course Alarm settingTo change the Alarm Tone setting Alarm ToneHighlight Alarm Tone on the Alarms main menu Setup Menu TAB To change the Units Depth settingTo change the Units Temp setting Units DepthUser Mode Units DistanceUnits Speed LanguageTriplog Reset Restore DefaultsTo Reset Triplog To Restore DefaultsDefault Sonar View Customized Sonar View To Select ReadoutsDepth Offset Temp OffsetSpeed Calibration Local Time ZoneDaylight Saving Time Position FormatNmea Output SonarFollowing Nmea sentences are output To turn Nmea Output on or offAccessories Menu TAB Views Menu TABTo Change the View Status of Any View Highlight the View main menu tabSeries Doesn’t Power Up TroubleshootingSeries Defaults to Simulator with a Transducer Attached Display Problems Problem Possible CauseFinding the Cause of Noise Other electronic devicesNoise re-appears 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
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