Humminbird 141c manual Sonar Zoom View

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Structure ID® represents weak returns in blue and strong returns in red.

WhiteLine® highlights the strongest sonar returns in white, resulting in a distinctive outline. This has the benefit of clearly defining the bottom on the display.

Sonar Zoom View

Sonar Zoom View increases the displayed resolution to separate sonar returns that are very close together, such as those caused by fish suspended close to the bottom or within structure. In Zoom View, the display is split to show a narrow slice of the full range view on the right and the zoomed view on the left. The full range view on the right also contains the Zoom Preview Box that shows what part of the full range view is shown in zoom view on the left; the Zoom Preview Box tracks the bottom in the full range view.

As the depth changes, the zoomed view updates automatically to display a magnified image of the bottom. The Zoom Preview Box shows where the zoomed view is in relation to the full range view. The Zoom Level, or magnification, is displayed in the lower left corner and can be changed to suit conditions (see Sonar X-PressTMMenu: Zoom Level). Upper and Lower Zoom Depth Range numbers indicate the depth of the water which is being viewed.

Digital depth is displayed in the upper left hand corner. The digital readouts in the Sonar Zoom View cannot be customized; therefore, information such as water temperature and voltage are unavailable in the Sonar Zoom View.

Depth

Zoomed

View

Zoom Level

Sonar Zoom View

Upper Depth Range,

Full Range View

Upper Depth Range,

Zoom View

Full Range View

Zoom

Preview Box

Lower Depth Range,

Full Range View

Lower Depth

Range, Zoom View

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Contents 141c Operations Manual Table of Contents Thank YouTable of Contents Single Beam Sonar Peak to Peak measures power output at the highest pointsHow Sonar Works What’s On the Display High Sonar Intensity Return Bait BallViews Sonar ViewSonar View Zoom View Big Digits View Circular Flasher View Sonar ViewBottom Presentation Understanding Sonar HistoryReal Time Sonar RTS Window Sonar Zoom View Sonar Zoom ViewPOWER/LIGHT Key Big Digits ViewKey Functions Circular Flasher ViewMenu Key WAY Cursor Control KeyExit Key Owering Up the UnitPress TM Menu Sonar Tab, Normal Mode Sonar Tab, Advanced ModeMenu System Simulator Start-Up Options MenuNormal Operation Accessory Test System Status Sonar X-Press TM MenuConduct a unit self-test StatusTo adjust the Sensitivity To adjust the Upper RangeSensitivity Upper RangeZoom Level Chart SpeedLower Range To adjust the Bottom Range Bottom LockBottom Range Sonar Menu TabTo change the Fish ID Sensitivity setting To change the RTS Window settingFish ID+TM Fish ID SensitivityDepth Lines Bottom ViewZoom Width Max Depth Surface ClutterNoise Filter Alarms Menu Tab To change the Water Type settingAlarms Menu Water TypeDepth 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 DistanceSelect Views Triplog ResetRestore Defaults Temp Offset Select ReadoutsDepth Offset Troubleshooting To change the Speed Calibration settingSpeed Calibration Advanced, with Temp/Speed onlyDisplay Problems Problem Possible CauseControl head loses power at high speeds Finding the Cause of NoiseSonar Terms SpecificationsGlossary 531442-1A141cEng.qxd 11/15/2005 840 PM Receiver See Transmitter 531442-1A141cEng.qxd 11/15/2005 840 PM 531442-1A141cEng.qxd 11/15/2005 840 PM Contact Humminbird
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