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

High Sonar Intensity Return

Cursor - available in Freeze Frame and can be positioned in the Sonar View to provide depth of a sonar return and bottomdepthbelow the cursor.

Bait Ball

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+™ 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.

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

RTS (Real Time Sonar) Window™

Structure - where fish may be hiding.

Low Sonar Intensity Return

is connected to the 500 Series™ Fishfinder.If both devices are connected,then only the

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What’s On the Sonar Display