Humminbird 737 GPS manual Fish ID Sensitivity, Zoom Width, KHz Sensitivity, Advanced

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Fish ID Sensitivity

Fish ID Sensitivity adjusts the threshold of the Fish ID+TM detection algorithms. Selecting a higher setting allows weaker returns to be displayed as fish. This is useful for identifying smaller fish species or baitfish. Selecting a lower setting displays fewer fish from weak sonar returns. This is helpful when seeking larger species of fish. Fish ID Sensitivity is used in conjunction with Fish ID+TM. Fish ID+TM must be On for Fish ID Sensitivity to affect the ability of the Fishing System to identify sonar returns as fish.

To change the Fish ID Sensitivity setting:

1.Highlight Fish ID Sensitivity on the Sonar main menu.

2.Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Fish ID Sensitivity setting. (Low = 1, High = 10, Default = 5)

Real Time Sonar (RTS®) Window

RTS® Window sets the RTS® Window to either Wide or Narrow, or turns it off in the Sonar View. The RTS® Window always updates at the fastest rate possible and only displays returns that are within the transducer beam. (See Real Time Sonar (RTS®) Window for additional detail).

RTS® Window (Wide)

RTS® Window (Narrow)

RTS® Window (Off)

To change the RTS® Window setting:

1.Highlight RTS Window on the Sonar main menu.

2.Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the RTS® Window setting. (Wide, Narrow, Off, Default = Wide)

Zoom Width

Zoom Width adjusts the width of the Zoom window on the

Sonar Zoom View.

To change the Zoom Width Setting:

1.Highlight Zoom Width on the Sonar main menu.

2.Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Zoom Width setting. (Narrow, Medium, Wide, Default = Wide)

83 kHz Sensitivity

(Advanced)

83 kHz Sensitivity changes the sensitivity of the 83 kHz beam. Increasing the 83 kHz Sensitivity will display additional weak returns and decreasing the 83 kHz Sensitivity will display fewer weak returns. The 83 kHz Sensitivity menu choice is only available when User Mode is set to Advanced (see Setup Menu Tab: User Mode).

NOTE: 83 kHz Sensitivity is particularly useful for adjusting the sensitivity of the 83 kHz sonar returns in the 200/83 kHz Split Sonar View. The 83 kHz sensitivity can be adjusted without affecting the sensitivity of the 200 kHz returns shown in the 200 kHz sonar window.

To set the 83 kHz Sensitivity:

1.Make sure you are in Advanced User Mode, then highlight 83 kHz Sensitivity on the Sonar main menu.

2.Use the LEFT or RIGHT 4-WAY Cursor Control keys to set the 83 kHz Sensitivity. (-10 to +10, Default = 0)

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Contents Atic Thank You Table of ContentsKey Functions Views Menu Tab Accessories Menu Tab How Sonar Works Peak to Peak measures power output at the highest pointsDualBeam Plus Sonar QuadraBeam SonarWideSide Sonar With optional-purchase WideSide transducerHow GPS and Cartography Work Software UpdatesMulti-Media Card MMC/SD Slot With optional-purchase GPS Receiver83 kHz, Wide Beam Hollow Fish Symbol What’s On the DisplaySoft Bottom RTS Real Time Sonar Window Views Sonar ViewSonar views Real Time Sonar RTS Window Understanding Sonar HistoryBottom Presentation Freeze FrameSonar Zoom View Sonar Zoom ViewBig Digits View 200/83 kHz Split Sonar ViewCircular Flasher View Big Digits View 200/83 kHz Split Sonar ViewSide Beam View Screen Snapshot ViewMaking a Screen Snapshot Screen Capture ViewBird’s Eye View WideSide ViewChart View with Active Cursor Chart View without Active CursorCombo View DepthWaypoints, Routes and Tracks Viewing CartographySave, Edit, or Delete a Waypoint Add a Waypoint Target or Trolling Grid Chart View with GridKey Functions POWER/LIGHT KeyView Key Info KeyWAY Cursor Control Key Accessory BusMark Key Goto KeyPowering Up the Unit Menu SystemPresence or absence of a transducer Normal Operation Start-Up Options MenuSystem Status SimulatorAccessory Test Exit PC Connect mode by powering the Fishing System offGPS Diagnostic View Sonar X-PressTMMenu To adjust the SideSide WideSide transducer WideSide view onlyTo adjust the Upper Range To adjust the SensitivitySensitivity Upper RangeChart Speed Lower RangeSide Beam Range Bottom View Cancel NavigationBottom Range Bottom LockWaypoint Name Navigation X-PressTM MenuOnly with an active cursor on a waypoint To view the Waypoint Name SubmenuSave Current Track Cursor to WaypointClear Current Track Save Current RouteRemove Target Remove GridSonar Window Delete Image Screen Snapshot X-Press TM MenuDelete All Images Sonar Menu TabFish ID+TM Beam SelectTo use Beam Select Highlight Beam Select on the Sonar main menuZoom Width Fish ID SensitivityKHz Sensitivity AdvancedWideSide Sensitivity KHz BalanceDepth Lines Advanced with WideSide transducerSurface Clutter Noise FilterMax Depth Water Type To change the Water Type settingTransducer Select Navigation Menu TabCurrent Track Saved TracksWaypoints Routes Chart OrientationNorth Reference Grid RotationMap Datum Track Min DistanceCourse Projection Line Export All Nav DataChart Detail Level Chart Menu TabMap Borders With optional-purchase GPS Receiver onlySpot Soundings Lat/Lon GridSet Simulation Position Set Map OffsetDepth Alarm Alarms Menu TabFish ID Alarm To change the Depth Alarm settingTemp Alarm Low Battery AlarmOff Course Alarm Arrival AlarmAlarm Tone Drift AlarmSetup Menu Tab To change the Drift Alarm settingUnits Depth User ModeUnits Temp Units DistanceRestore Defaults Triplog ResetSelect Readouts Advanced, Sonar view onlyTemp Offset Depth OffsetSpeed Calibration Position FormatDate Format Time FormatNmea Output SonarUsing Screen Snapshot Accessories Menu TabViews Menu Tab To Change the View Status of Any ViewTroubleshooting To make a screen snapshot Screen Snapshot must be enabledTo view screen snapshots Finding the Cause of Noise Display ProblemsSpecifications Series Fishing System AccessoriesSonar Terms Glossary100 102 Receiver See Transmitter104 GPS & Navigation Terms 108 Contact Humminbird
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