Unit Of Depth, Range Measurement; Noise Filter - Furuno TS-331A Operator's Manual

Wired trawl sonar

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2.9

Unit of Depth, Range Measurement

The unit of depth/range measurement may be chosen from meters, feet and

fathoms, on the Options menu. Check the unit desired.

2.10

You may encounter occasional or intermittent noise and interference on the

vertical sonar display or echo sounder display. Noise is mostly caused by

electrical equipment engine or propeller noise from own ship or noise from other

sonars being operated nearby. To suppress this noise, check Noise Filter on the

Options menu. Uncheck it if no noise is present.

Options menu, Units, Depth/Range selected

2. SONAR OPERATION

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