Humminbird 343c manual Sonar X-PressTMMenu, To adjust the Sensitivity

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Sonar X-PressTMMenu

The Sonar X-PressTMMenu provides access to the settings most frequently-used. Press the MENU key once while in any of the Sonar Views to access the Sonar X-PressTMMenu.

NOTE: Upper Range only appears in Advanced User Mode when in Sonar, Split Sonar, Big Digits and Circular Flasher Views.

NOTE: Zoom Level only appears in Sonar Zoom View.

Sonar X-PressTMMenu

Sensitivity

Sensitivity controls how much detail is shown on the display and will adjust the sensitivity of all sonar frequencies. Increasing the sensitivity shows more sonar returns from small baitfish and suspended debris in the water; however, the display may become too cluttered. When operating in very clear water or greater depths, increased sensitivity shows weaker returns that may be of interest. Decreasing the sensitivity eliminates the clutter from the display that is sometimes present in murky or muddy water. If Sensitivity is adjusted too low, the display may not show many sonar returns that could be fish.

NOTE: The Sensitivity setting is a global setting and will adjust the sensitivity of all sonar frequencies, as compared to specific sensitivity adjustments (such as 83 kHz Sensitivity) which allow you to adjust the level of sensitivity for one specific beam at a time.

Sensitivity at Low

Sensitivity at Medium

Sensitivity at High

To adjust the Sensitivity:

1.Highlight Sensitivity on the Sonar X-PressTMMenu.

2.Use the LEFT or RIGHT 4-WAY Cursor Control keys to increase or decrease the Sensitivity setting. (Low = 1, High = 20, Default = 10)

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Contents 343c Operations Manual Table of Contents Thank YouAlarms Menu Tab Setup Menu TabTroubleshooting Specifications Glossary Contact HumminbirdHow Sonar Works DualBeam Plus Sonar What’s On the Display High Sonar Intensity Return Bait BallViews Sonar ViewReal Time Sonar RTS Window Understanding Sonar HistoryFreeze Frame Bottom Presentation Sonar Zoom View 200/83 kHz Split Sonar ViewPOWER/LIGHT Key Big Digits ViewKey Functions Circular Flasher ViewWAY Cursor Control Key Menu KeyExit Key Powering Up the Unit Menu SystemExit Normal operation by powering your Fishing System off Start-Up Options MenuNormal Operation Normal Simulator System StatusSelf Test Accessory Test Exit the Simulator by powering your Fishing System offExit System Status by powering your Fishing System off SimulatorTo adjust the Sensitivity Sonar X-PressTMMenuSensitivity Highlight Sensitivity on the Sonar X-PressTMMenuTo adjust the Upper Range To adjust the Lower RangeUpper Range Lower RangeChart Speed Zoom LevelBottom Lock Bottom RangeSonar Menu Tab Beam SelectTo use Beam Select Highlight Beam Select on the Sonar main menuTo change the Fish ID Sensitivity setting To change the RTS Window settingFish ID+TM Fish ID SensitivityBottom View Zoom WidthKHz Sensitivity Depth LinesNoise Filter Surface ClutterMax Depth To change the Water Type setting Alarms Menu TabWater Type Depth Alarm Fish ID AlarmLow Battery Alarm Temp AlarmAlarm Tone Setup Menu TabTo change the Alarm Tone setting Highlight Alarm Tone on the Alarms main menuUser Mode Units DepthUnits Temp Units DistanceRestore Defaults Triplog ResetSelect Views Depth Offset Select ReadoutsTemp Offset To change the Speed Calibration setting TroubleshootingSpeed Calibration Display Problems Problem Possible CauseFinding the Cause of Noise IsolationGlossary SpecificationsSonar Terms 531447-1A343cEng.qxd 11/11/2005 918 PM 531447-1A343cEng.qxd 11/11/2005 918 PM Receiver See Transmitter 531447-1A343cEng.qxd 11/11/2005 918 PM Contact Humminbird