2 sounder displays, 1 selecting a sounder display – Furuno NAVNET 1823C User Manual

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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.