Furuno 1823C Radar Detector User Manual


 
4. VIDEO SOUNDER OPERATION
4-2
4.2 Sounder Displays
4.2.1 Selecting a sounder display
There are seven display modes from which to choose: dual frequency, single
frequency, marker zoom, bottom zoom, bottom lock, bottom discrimination, and
A-scope.
To select a display;
1. Press the [DISP] key and then select sounder display desired.
2. If not already displayed, press the [HIDE/SHOW] soft key to show the
sounder soft keys.
3. Press the DISPLY MODE soft key to show the display mode window.
DISPLAY MODE
DUAL FREQ
SINGLE FREQ
MARKER ZOOM
BOTTOM ZOOM
BOTTOM LOCK
BOTTOM DSCRM
HF: 200.0 kHz
LF: 50.0 kHz
Display mode window
4. Use the trackball
or the [ENTER] knob to select a display.
5. Press the RETURN soft key to close the window.
Note: On menus which show the RETURN soft key you may use it or the
ENTER knob to register setting and close the window.