Humminbird Model Matrix 87 Fish Sensitivity, KHz Sensitivity, KHz Balance, WideSide Sensitivity

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Fish Sensitivity

Fish Sensitivity adjusts the threshold of the Fish ID+™ 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 Sensitivity is used in conjunction with Fish ID+™. Fish ID+™ must be On for Fish Sensitivity to affect the ability of the Matrix™ to identify sonar returns as fish.

To change the Fish Sensitivity setting:

1.Highlight Fish Sensitivity on the Sonar main menu.

2.Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Fish 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 more information.)

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)

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).

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)

455 kHz Balance

(Advanced: with QuadraBeam™ Transducer)

455 kHz Balance adjusts the sensitivity of the 455 kHz beam. Increasing the sensitivity will display additional weak returns and decreasing the sensitivity will display fewer weak returns. A QuadraBeam™ transducer must be attached to the Matrix™. The 455 kHz Balance menu choice is available when Transducer Select is set to QuadraBeam™ (see Sonar Menu Tab: Transducer Select) and User Mode is set to Advanced (see Setup Menu Tab: User Mode).

NOTE: The 455 kHz Balance requires the purchase of the QuadraBeam™ transducer. You can visit our website at www.humminbird.com to order this accessory online or contact our Customer Resource Center at 1-800-633-1468.

To change the 455 kHz Balance setting:

1.Make sure you have selected QuadraBeam™ Transducer and Advanced Mode and that the QuadraBeam™ transducer is connected, then highlight 455 kHz Balance on the Sonar Main Menu.

2.Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the 455 kHz Balance. (-10 to +10, Default = 0)

WideSide® Sensitivity

(Advanced: With WideSide® Transducer)

WideSide® Sensitivity adjusts the sensitivity of the WideSide® beam. Increasing the sensitivity will display additional weak returns and decreasing the sensitivity will display fewer weak returns. A WideSide® transducer must be attached to the Matrix™ Fishing System. The WideSide® Sensitivity menu choice is available when Transducer Select is set to WideSide® (see Sonar Menu Tab: Transducer Select) and User Mode is set to Advanced (see Setup Menu Tab: User Mode).

NOTE: The WideSide® Sensitivity requires the purchase of the WideSide® transducer. You can visit our website at www.humminbird.com to order this accessory online or contact our Customer Resource Center at 1-800-633-1468.

To change the WideSide® Sensitivity setting:

1.Make sure you have selected WideSide® Transducer and Advanced Mode and that the WideSide® transducer is connected, then highlight WideSide Sensitivity on the Sonar Main Menu.

2.Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the WideSide® Sensitivity. (-10 to +10, Default = 0)

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Contents Matrix 87c Operations Manual Table of Contents Thank YouAlarms Menu Tab Setup Menu TabSonar X-Press Menu Sonar Views Only Navigation X-Press Menu Navigation Views OnlyDualBeam Plus Sonar How Sonar WorksQuadraBeam Sonar WideSide Sonar How GPS and Cartography WorkMulti-Media Card MMC With Optional-Purchase WideSide TransducerKHz Blue Fish Symbol KHz Orange Fish SymbolWhat’s On the Sonar Display High Sonar Intensity Return Bait BallSonar View ViewsSonar views Real Time Sonar RTS Window Understanding Sonar HistoryBottom Presentation Sonar Zoom View 200/83 kHz Split Sonar ViewBig Digits View Side Beam ViewBig Digits View Side Beam ViewBird’s Eye View WideSide ViewBird’s Eye View Chart View Chart View with Active CursorCombo View View OrientationViewing Cartography Introduction to NavigationWaypoints, Routes and Tracks Waypoints, Routes and TracksSave, Edit, or Delete a Waypoint Navigate to a Waypoint or PositionChart View with Grid Chart View with TargetAdd a Waypoint Target or Trolling Grid Save or Clear a Current Track Save, Edit or Delete a RouteEdit, Delete or Hide Saved Tracks POWER/LIGHT Key Key FunctionsView Key Info KeyAccessory Bus Powering Up the UnitGoto Key Zoom +/- KeySonar Tab, Normal Mode Sonar Tab, Advanced Mode Main Menu System Normal User ModeMenu System Exit Normal operation by powering your Matrix off Exit the Simulator by powering your Matrix offStart-Up Options Menu Normal OperationSystem Status Exit PC Connect mode by powering the Matrix offPC Connect Sonar X-Press Menu Side ViewSensitivity Sonar Views OnlyChart Speed Upper RangeLower Range Side Beam RangeTo adjust the Bottom View Bottom ViewNavigation X-Press Menu Navigation Views OnlyCancel Navigation Save Current TrackClear Current Track Save Current RouteRemove Grid Sonar WindowSonar Menu Tab Only if a Grid is ActiveBeam Select Fish ID+To use Beam Select Highlight Beam Select on the Sonar main menuFish Sensitivity KHz SensitivityKHz Balance WideSide SensitivitySurface Clutter Depth LinesNoise Filter Max Depth Water TypeTransducer Select Navigation Menu TabWaypoints TracksRoutes Chart Detail Level Map BordersLat/Lon Grid Spot SoundingsGrid Rotation Trackpoint IntervalTrack Min Distance Map DatumAlarms Menu Tab Clear Map OffsetDelete All Nav Data To Clear Map OffsetDepth Alarm Fish ID AlarmLow Battery Alarm Temp AlarmDrift Alarm Arrival AlarmAlarm Tone Setup Menu Tab Units DepthUnits Temp Units DistanceUser Mode Triplog ResetRestore Defaults Units SpeedSelect Readouts Depth OffsetTemp Offset Speed CalibrationLocal Time Zone Daylight Savings TimePosition Format Time FormatNmea Output SonarAccessories Menu Tab TroubleshootingMatrix Doesn’t Power Up Matrix Defaults to Simulator with a Transducer AttachedDisplay Problems Problem Possible CauseFinding the Cause of Noise IsolationMatrix Accessories SpecificationsContact Humminbird
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