Furuno 1943, 1933, 1833 manual Shifting the range, Gain window, Shift concept

4. VIDEO SOUNDER OPERATION

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

GAIN 200kHz

▲ 57

HIGH

LOW

▼

Gain window

Note 1: On the dual-frequency display, the gain can be independently set for 50 kHz and 200 kHz. Use the FREQ 50/200 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.

4.4.4Shifting 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 or the trackball. Press the RETURN soft key to finish.

Shift

Shift concept

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