Furuno GP-7000F Operator's Manual page 91

Bottom lock, Bottom zoom, Marker zoom, Bottom discrimination
Using the soft key
1. Press the DISP MODE soft key to show the display mode window.
2. Rotate the [ENTER] knob to choose the mode desired and then push the
[ENTER] knob.
Through the menu
1. With a single frequency display selected, press the [MENU] key to show the
menu bar.
2. Rotate the [ENTER] knob to choose SOUNDER and then push the [ENTER]
knob.
3. Rotate the [ENTER] knob to choose DISPLAY MODE and then push the
[ENTER] knob.
4. Rotate the [ENTER] knob to choose the mode desired and then push the
[ENTER] knob.
5. Press the [MENU] key to close the menu.
NORMAL
BOTTOM LOCK
BOTTOM ZOOM
MARKER ZOOM
BOTTOM DISCRIMINATION
Display mode window
AUTO MODE PRESET
DISPLAY MODE
FREQUENCY
PICTURE ADVANCE
TEMPERATURE GRAPH
ZOOM MARKER
A-SCOPE
SOUNDER SETUP
SENSOR SETUP
Sounder menu
NORMAL
BOTTOM LOCK
BOTTOM ZOOM
MARKER ZOOM
BOTTOM DISCRIMINATION
Display mode window
10. VIDEO SOUNDER OPERATION
MANUAL
NORMAL
50 KHz
1/1
On
On
Off
10-5