Shifting The Range - Furuno 1823C Operator's Manual

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.
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.
4. VIDEO SOUNDER OPERATION
GAIN - LF
57
HIGH
LOW
Gain window
Shift concept
4-11