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4 shifting the range – Furuno NAVNET 1823C User Manual

Page 157

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4. VIDEO SOUNDER OPERATION


4-11

Press the [GAIN] key to show the gain window, and adjust the [ENTER] knob or
trackball. Current level is shown on the bar, and the setting range is 0-100(%).
Press the RETURN soft key to finish.

GAIN - LF

57

HIGH

LOW

Gain window

Note 1: On the dual-frequency display, the gain can be independently set for LF

and HF. Use the FREQ LF/HF soft key to select the frequency for which
to adjust gain.

Note 2: Gain cannot be adjusted in the automatic sounder mode. The message

“SOUNDER GAIN CANNOT BE CHANGED IN AUTO MODE” is
displayed when you attempt to do so.

4.4.4 Shifting

the

range

The basic range may be shifted up or down as desired by pressing the SHIFT
soft key followed by adjusting the [ENTER] knob. Press the RETURN soft key to
finish.

Shift

Shift concept