Humminbird 981 manual MAX Depth, Water Type, Color BAR

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98x_Manual_531376-1_A.qxd 2/23/2005 11:40 AM Page 70

MAX DEPTH

(Advanced)

Max Depth adjusts the maximum depth of operation. The performance of your 900 Series™ can be tuned to the maximum depth you will be fishing in by setting the Max Depth. When a maximum depth is set, your 900 Series™ will not attempt to acquire sonar data below that depth, thus increasing overall performance. When Max Depth is set to Auto, the 900 Series™ will acquire bottom readings as needed (within the capacity of the unit). If the bottom is deeper than the Max Depth setting, the digital depth readout will flash, indicating that the 900 Series™ cannot locate the bottom. The Max Depth menu choice is available when User Mode is set to Advanced (see Setup Menu Tab: User Mode).

To change the Max Depth setting:

1.Make sure you are in Advanced User Mode, then highlight Max Depth on the Sonar main menu.

2.Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Max Depth setting. (AUTO, 10 to 3000 feet, 3 to 930 meters [International Models Only], Default = AUTO)

WATER TYPE

(Advanced)

Water Type configures your unit for operation in fresh or salt water. The Water Type menu choice is available when User Mode is set to Advanced (see Setup Menu Tab: User Mode).

NOTE: In salt water, what would be considered a large fish might be 2 to 10 times bigger than a large fish in fresh water (depending on the type of fish you are seeking). The salt water setting allows for a greater range in fish size adjustment to account for this. Also, make sure that the Water Type is set accurately, especially in salt water, as this affects the accuracy of deep water depth readings.

To change the Water Type setting:

1.Make sure you are in Advanced User Mode, then highlight Water Type on the Sonar main menu.

2.Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Water Type setting. (Fresh, Salt, Default = Fresh)

COLOR BAR

Color Bar allows you to display or suppress

the display of the color bar shown in the full screen Sonar View.

To change the display of the Color Bar:

1.Highlight Color Bar on the Sonar Main menu.

2.Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the display of the color bar. (Off, On, Default = On)

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Contents 98xManual531376-1A.qxd 2/23/2005 1139 AM Thank You Table of Contents Side Imaging X-Press Menu Menu System Start-Up Options MenuSonar X-Press Menu Sonar Menu TabAlarms Menu Tab Setup Menu TabViews Menu Tab Accessories Menu Tab Troubleshooting Contact HumminbirdSide Imaging Sonar Series IntroductionHOW the 900 Series Works Dualbeam Plus SonarMULTI-MEDIA Card MMC/SD Slot Multi-Media Card MMC/SD SlotInstallation Overview Accessory BUSAccessory Bus Control Head Installation 900 Series has a wide variety of configurationsGimbal Mounting the Control Head Mounting Screws Washer Gimbal Mounting Bracket Cables Routed Near Mounting Bracket Speed Communications Transducer Cable Collector InsertIn-dash mounting foam pads IN-DASH Mounting the Control HeadParts and tools specific to In-dash mounting are In-dash mounting template23/2005 Connecting the Control Head Power Cable to the Boat Beginning of this procedureTransom Transducer Trolling Motor Transducer Transducer InstallationMotor Position Transom Transducer Installation Stepped HullWithout deadrise adjustment Not a hull, motor, or other transducer, etcHeaded pin can be inserted from either side of the bracket Be fully tightened until all adjustments are madeCompletely tighten 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 shownNo Access Under Mounting Location Access Under Mounting LocationAccess 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 Getting Started Using Your 900 SeriesWHAT’S on the Sonar Display TriplogReal Time Sonar RTS Window Understanding Sonar HistorySonar Bottom Presentation Understanding Side Imaging KHz provides highest resolution with 160 total beam widthKHz provides maximum coverage with 180 total beam width WHAT’S on the Side Imaging Display Topography Changes Bottom Return TriplogSide Imaging on the Water Interpretation Side Imaging Technology HOW IT WorksSide Imaging Representation Submerged Ravine with Timber Submerged Standing and Fallen Timber, Plus Bait Fish Submerged Swimming PoolView KEY POWER/LIGHT KEYKEY Functions Menu KEYExit KEY View Preset KeysWAY Cursor Control KEY Info KEYViews available on your 900 Series are ViewsMARK/GOTO KEY Sonar viewsSonar View Views and ReadoutsSonar View Sonar Zoom View Sonar Zoom ViewSplit Sonar View Split Sonar ViewSide Imaging 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 Chart View with Grid Chart View with TargetADD a Waypoint Target or Trolling Grid SAVE, Edit or Delete a Route Menu System Press MenuNormal Simulator System Status Sonar Tab, Normal Mode Sonar Tab, Advanced ModeSTART-UP Options Menu Start-Up Options MenuSimulator Self Test Accessory Test GPS Diagnostic ViewNormal Operation System StatusAccessory Test Screen Accessory TestGPS Diagnostic View Active Side To Adjust Split Screen PositionSonar X-PRESS Menu Split PositionSensitivity To adjust the SensitivityTo adjust the Upper Range Upper RangeLower Range Chart SpeedZoom Level Bottom Range Bottom LockSonar Colors Side Imaging Views only Highlight Split Position on the Side Imaging X-Press MenuSide Imaging X-Press Menu SI Sensitivity SI SideSI Range To change the SI Colors SI ColorsNavigation X-PRESS Menu Highlight SI Colors on the Side Imaging X-PressmenuTo Save Current Track Save Current TrackClear Current Track To Clear Current TrackSkip Next Waypoint Cancel NavigationSave Current Route Remove TargetTo Remove a Grid Remove GridSonar Menu TAB Only if a Grid is activeSide View Frequency Beam SelectFish ID+ To turn Fish ID+ on or off To change the Fish ID Sensitivity settingFish ID Sensitivity Highlight Fish ID Sensitivity on the Sonar main menuBottom View To change the RTS Window settingTo adjust the Bottom View Zoom WidthSurface Clutter KHZ SensitivityDepth Lines Noise FilterWater Type MAX DepthColor BAR Sonar View only, with Temperature input Temperature GraphTo change the display of the Temperature Graph Navigation Menu TABWaypoints TracksRoutes Trolling Grid Rotation Chart OrientationNorth Reference Trackpoint IntervalExport ALL NAV Data Track MIN DistanceMAP Datum Delete ALL NAV DataTo change the Chart Detail Level setting Chart Menu TABChart Detail Level MAP BordersShaded Depth LAT/LON GridSpot Soundings SET Simulation PositionSET MAP Offset Alarms Menu TABTo change the Map Offset setting Clear MAP OffsetLOW Battery Alarm Depth AlarmFish ID Alarm Temp AlarmArrival Alarm OFF Course AlarmDrift Alarm To change the Alarm Tone setting Alarm ToneSetup Menu TAB Highlight Alarm Tone on the Alarms main menuUnits Distance Units DepthUnits Temp Units SpeedRestore Defaults User ModeTriplog Reset LanguageDefault Sonar View Select ReadoutsDepth Offset To change the Depth Offset settingTo change the Temp Offset setting Temp OffsetDaylight Saving Time Speed CalibrationLocal Time Zone Position FormatDate Format Time FormatNmea Output Following views are available Views Menu TABTo turn Sonar on or off To Change the View Status of Any ViewSeries Doesn’t Power Up Accessories Menu TABTroubleshooting Series Defaults to Simulator with a Transducer AttachedDisplay Problems Control head loses power at high speedsNoise 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 Area of CoverageAppendix a Transducer Mounting Template XHS-9-SI-160-TContact Humminbird