10. VIDEO SOUNDER OPERATION
10-10
10.3
Manual Sounder Operation
Manual operation is useful for observing fish schools and bottom using a fixed gain
setting.
The gain, range and range shift functions used together give you the means to select
the depth you can see on the screen. The basic range can be thought of as providing
a "window" into the water column and range shifting as moving the "window" to the
desired depth.
10.3.1
Selecting the manual mode
Using the soft key
1. Press the AUTO soft key to show the AUTO window.
2. Rotate the [ENTER] knob to choose MANUAL and then push the [ENTER] knob.
Through the menu
1. Open the SOUNDER menu.
2. Rotate the [ENTER] knob to choose AUTO MODE PRESET and then push the
[ENTER] knob.
3. Rotate the [ENTER] knob to choose MANUAL and then push the [ENTER] knob.
4. Press the [MENU] key to close the menu.
10.3.2
Selecting display range
Press the [RANGE +] or [RANGE -] key to select a range. The default ranges in feet
are as below. Note that the range cannot be changed in the automatic sounder mode.
You can change the default settings on the RANGES menu. Choose a range and use
the [ENTER] knob to enter.
Default sounder range
Range 1
Range 2
Range 3
Range 4
Range 5
Range 6
Range 7
Range 8
15 ft
30 ft
60 ft
120 ft
200 ft
400 ft
1000 ft
1500 ft
3 fa
5 fa
10 fa
20 fa
40 fa
80 fa
150 fa
300 fa
5 m
10 m
20 m
40 m
80 m
150 m
300 m
500 m
3 pb
5 pb
10 pb
30 pb
50 pb
100 pb
200 pb
300 pb
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