Sounder Displays; Selecting A Sounder Display - Furuno 1722C Operator's Manual

4. VIDEO SOUNDER OPERATION
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 select a sounder display.
2. If not displayed, press the [HIDE/SHOW] key to show the sounder soft keys.
3. Press the DISPLY MODE soft key to show the display mode window.
4. Use the cursor pad 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.
4-2
DISPLAY MODE
¡
DUAL FREQ
¤
SINGLE FREQ
¡
MARKER ZOOM
¡
BOTTOM ZOOM
¡
BOTTOM LOCK
¡
BOTTOM DSCRM
Display mode window