Humminbird 141c manual What’s On the Display, High Sonar Intensity Return Bait Ball

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What’s On the Display

The 100 Series™ Fishing System can display a variety of useful information about the area

Depth - water depth; can be set to alarm when the water becomes too shallow.

Temperature - water surface temperature.

Timer - Elapsed time with Temp/Speed Accessory.

Distance - Distance traveled with Temp/Speed

Accessory.

Average Speed - Average speed reading with

Temp/Speed Accessory.

Speed - if a Temp/Speed accessory is attached, the FishFinder can display the speed of the boat.

Second Sonar Return - when the sonar signal bounces between the bottom and the surface of the water and back again. Use the appearance of the second return to determine bottom hardness. Hard bottomswillshowastrongsecondreturn,whilesoft bottoms will show a very weak one or none at all.

under and adjacent to your boat, including the following items:

High Sonar Intensity Return

Bait Ball

Thermoclines - layers of water with different temperatures that appear at different depths and different times of the year. A thermocline typically appears as a continuous band of many colors moving across the display at the same depth.

Fish - the FishFinder displays fish as arches and/or fish icons, and can be set to alarm when a fish of a certain size is detected. When a target is detected, a Fish ID+TM symbol appears on the display with the depth displayed above it. The size of the symbol indicates the intensity of the sonar return. The unit will clearly show schools of Bait Fish as "clouds" of different shapes and sizes, depending on the number of fish and boat speed.

200 kHz Orange Fish Symbol

Structure - where fish may be hiding.

RTS® (Real Time Sonar) Window

Low Sonar Intensity Return

NOTE: Entries in this view that list (with Temp/Speed) are available only if the device is connected

to the 100 Series™ Fishing System.

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Contents 141c Operations Manual Thank You Table of ContentsTable of Contents Single Beam Sonar Peak to Peak measures power output at the highest pointsHow Sonar Works High Sonar Intensity Return Bait Ball What’s On the DisplaySonar View ViewsSonar View Zoom View Big Digits View Circular Flasher View Sonar ViewBottom Presentation Understanding Sonar HistoryReal Time Sonar RTS Window Sonar Zoom View Sonar Zoom ViewBig Digits View POWER/LIGHT KeyKey Functions Circular Flasher ViewWAY Cursor Control Key Menu KeyExit Key Owering Up the UnitPress TM Menu Sonar Tab, Normal Mode Sonar Tab, Advanced ModeMenu System Simulator Start-Up Options MenuNormal Operation System Status Sonar X-Press TM Menu Accessory TestConduct a unit self-test StatusTo adjust the Upper Range To adjust the SensitivitySensitivity Upper RangeZoom Level Chart SpeedLower Range Bottom Lock To adjust the Bottom RangeBottom Range Sonar Menu TabTo change the RTS Window setting To change the Fish ID Sensitivity settingFish ID+TM Fish ID SensitivityDepth Lines Bottom ViewZoom Width Max Depth Surface ClutterNoise Filter To change the Water Type setting Alarms Menu TabAlarms Menu Water TypeFish ID Alarm Depth AlarmLow Battery Alarm Temp AlarmSetup Menu Tab Alarm ToneTo change the Alarm Tone setting Highlight Alarm Tone on the Alarms main menuUnits Depth User ModeUnits Temp Units DistanceSelect Views Triplog ResetRestore Defaults Temp Offset Select ReadoutsDepth Offset To change the Speed Calibration setting TroubleshootingSpeed Calibration Advanced, with Temp/Speed onlyProblem Possible Cause Display ProblemsControl 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