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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.
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
You can change the default settings on the RANGES menu. Choose a range
and use the [ENTER] knob to enter.