Humminbird 500 series, 515 manual Structure where fish may be hiding

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

83 kHz, Wide Beam Hollow Fish Symbol (ONLY available on Dual Beam Units)

Structure - where fish may be hiding.

Fish - fish are displayed as arches and/or fish icons, and the unit can be set to alarm when a fish of a certain size is detected. When a target is detected and Fish ID+TM is on, a Fish ID+TM symbol with depth is displayed. The size of the symbol shows 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.

200kHz,NarrowBeamShadedFishSymbol

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 gray levels moving across the display at the same depth.

Soft Bottom

RTS® (Real Time Sonar) Window

Battery Voltage - the voltage of the boat’s battery; can be set to alarm if the voltage falls below a certain point.

device is connected to the Fishfinder.

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Contents Series Operations Manual Thank You Table of Contents Alarms Menu Tab Troubleshooting How Sonar Works Peak to Peak measures power output at the highest points DualBeam Sonar Single Beam SonarQuadraBeam Plus Sonar Bait Ball Hard Bottom Rocky Bottom What’s On the DisplayStructure where fish may be hiding Big Digits View Side Beam View 575 Fishfinder only ViewsSonar View Real Time Sonar RTS Window Understanding Sonar HistoryBottom Presentation Page Page Sonar Zoom View Sonar Zoom View200/83 kHz Split Sonar View Big Digits View Side Beam View Water Surface Line for 455 kHz Sonar History Windows Page View Key POWER/LIGHT KeyKey Functions Exit Key Menu KeyWAY Cursor Control Key 575 Powering Up the UnitMenu System Page Normal Operation Start-Up Options MenuSimulator Self Test System StatusAccessory Test Sonar X-Press Menu Sensitivity Advanced Sonar, Split Sonar, Big Digits Views only Upper RangeLower Range Chart Speed Bottom View Zoom Level Quad LayoutSonar Menu Tab Beam Select Fish ID+ Fish ID Sensitivity KHz Sensitivity Zoom WidthKHz Balance Advanced Depth LinesSurface Clutter Max Depth Noise FilterWater Type Alarms Menu Tab Fish ID Alarm Depth AlarmTemp Alarm Low Battery AlarmAlarm Tone Setup Menu Tab Units Distance Units DepthUnits Temp Language User ModeUnits Speed Restore Defaults Triplog ResetSelect Views Advanced Sonar View only Select ReadoutsDepth Offset Speed Calibration Temp OffsetSeries Doesn’t Power Up TroubleshootingProblem Possible Cause Display ProblemsIsolation Finding the Cause of NoiseSeries Fishfinder Accessories 800 ft 250 m SpecificationsPolicy on Environmental Compliance Sonar Terms GlossaryPage Page Page Page Receiver See Transmitter Page Page Page Page Page Page Page Page Page Page Page Page Contact Humminbird