Garmin Fishfinder 240 Blue Gebruikershandleiding - Pagina 37

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Transducer Coverage

The area covered by the transmitted sound waves is determined by the

cone angle of the transducer and the water depth. Using Garmin' s standard

20° transducer, the coverage is approximately 1/3rd of the water depth.

As shown in Example 1, the coverage area at a 30 foot depth is approxi-

mately a 10 foot diameter circle. The scale below illustrates how coverage

increases as depth increases.

Coverage

Diameter

10'

Depth

12'

15'

18'

21'

24'

27'

30'

Example 1.

On the Water

Transducer Coverage

Coverage

Diameter

10"

15"

20"

12'

25"

15'

30"

18'

35"

21'

40"

24'

45"

27'

45"

30'

8° Transducer Coverage Chart

Depth