Graphs

Fish ID—sets how the Fishfinder shows underwater targets and background information. If you select a fish symbol, the screen shows only the information related to that symbol (large, medium, and small sizes). When using wide beam, fish symbols that are to the sides of the boat appear hollow. Those that are directly below the boat appear as solid black fish symbols.

(default) the Fishfinder does not interpret the sonar return data. Fish appear as arches

Suspended targets appear as symbols. No background information appears

Same as previous with the target depth shown.

Suspended targets appear as symbols. Background information appears, making the distinction between fish and structure easier.

Same as previous with target depth shown.

Beam—controls the angle of the transducer beam. Wide beam allows you to see more fish in shallow water, even off

Fishfinder 90/140 Owner’s Manual

Operating Your Fishfinder

the sides of the boat. You can also choose Narrow (default) beam.

Whiteline—sets how the Fishfinder shows information about the bottom type.

• Off—the bottom return appears as solid black.

 

 

 

Whiteline Off

 

Whiteline On

•On (default)—the bottom return appears as a grayscale pattern and can help to determine bottom hardness.

A hard bottom displays a thicker bottom layer. A soft bottom appears as a thinner bottom layer.

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12/2/2011 3:08:59 PM