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2. SONAR OPERATION
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2.2 Adjusting the Sonar Image from the Vertical
Sonar Settings Dialog Box
The vertical sonar settings dialog box contains all the controls for adjustment of
the sonar image. To display this box if it is not displayed, click the sonar image
with the left mouse button and then choose Show Sonar Settings from the View
menu.
Vertical sonar settings dialog box
2.2.1 Choosing the display range
The Range combo box lets you choose desired display range, from the ranges
shown in the table below.
Ranges
Meters Feet Fathoms
250 750 125
200 600 100
150 450 75
100 300 50
80 240 40
60 180 30
50 150 25
40 120 20
30 90 15
20 60 10
10 30 5