Selecting A Sounder Display - Furuno GP-7000F Operator's Manual

10. VIDEO SOUNDER OPERATION
3. Rotate the [ENTER] knob to choose FREQUENCY and then push the [ENTER]
knob.
4. Select 50 KHz or 200 KHz as appropriate and then push the [ENTER] knob.
5. Press the [MENU] key to close the menu.
10.1.2

Selecting a sounder display

There are seven display modes from which to choose: dual frequency, single frequen-
cy, marker zoom, bottom zoom, bottom lock, bottom discrimination and A-scope.
Dual frequency
The dual-frequency display provides both 50 kHz and 200 kHz pictures. This display
is useful for comparing the same picture with two different sounding frequencies.
To show the dual frequency display, do the following.
1. Press the [DISP] key.
2. Rotate the [ENTER] knob to choose
3. Push the [ENTER] knob.
10-4
AUTO MODE PRESET
DISPLAY MODE
FREQUENCY
PICTURE ADVANCE 1/1
TEMPERATURE GRAPH
ZOOM MARKER
A-SCOPE
SOUNDER SETUP
SENSOR SETUP
Sounder menu
50 kHz
200 kHz
50k
Dual-frequency display
MANUAL
NORMAL
50 KHz
On
On
Off
0.0
200k
icon.