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3-18
Changing the Fishfinder Range
The Fishfinder automatically adjusts the display range. Alternatively, the
RANGE key lets you select the maximum depth displayed on the scrolling
bottom and A-scope displays. You can also set the shift value to move the
image window up or down within the current range.
If you select automatic range adjustment, the Fishfinder selects the shallowest
range that keeps the bottom in the lower half of the display window. Shift is
disabled (the value is ignored) when auto-range is selected.
The following range/shift values are available:
Table 3-1:
Feet
Range
5
10
15
20
30
40
50
60
80
100
150
200
250
300
400
600
800
1000
1500
2000
2500
3000
Range and Shift Values
Fathoms
Shift
Range
Shift
1
1
1
2
2
1
5
3
1
5
4
1
10
5
1
10
8
2
10
10
2
20
15
5
20
20
5
20
2
5
50
40
10
50
40
10
50
50
10
100
60
20
100
80
20
200
100
20
200
150
50
200
200
50
500
250
50
500
300
100
500
400
100
-
500
-
HSB Series L755 and L760 Fishfinder
Meters
Range
Shift
2
1
4
1
6
2
8
2
10
2
15
5
25
5
25
5
30
10
40
10
50
10
60
20
80
20
100
20
150
50
200
50
300
100
400
100
500
100
600
200
800
200
1000
-
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