Furuno COLOR VIDEO PLOTTER 1833C Operator's Manual page 37

1. Press the [GAIN] key to show the "gain adjustment" soft keys, and the
last-used adjustment window appears. The example below shows the gain
sensitivity adjustment window. The gain soft keys shown depend on radar
source as shown below.
3nm
12/
LP
H-UP
GAIN SENSITIVITY
¤ AUTO ROUGH
¡ AUTO MODERATE
¡ AUTO CALM
¡
MAN
0
Model 1700 series
2. Press the GAIN soft key to show the gain sensitivity setting window.
3. Use the trackball to select AUTO ROUGH, AUTO MODERATE, AUTO CALM,
or MAN (manual) as appropriate. Select an AUTO option according to the
sea state.
4. For manual adjustment, rotate the [ENTER] knob to adjust, while observing
the radar echo. The range of adjustment is 0-100(%).
5. Press the [GAIN] key on the front panel or the RETURN soft key to finish.
12/
GAIN
M
319. 9
H-UP
ADJUST
GAIN
A/C
SEA
A/C
RAIN
FTC
RETURN
359.9 ˚R
+
11.70
nm
Gain adjustment soft keys
GAIN SENSITIVITY
¤ AUTO ROUGH
¡
AUTO MODERATE
¡
AUTO CALM
¡
MAN
Gain sensitivity window
2. RADAR OPERATION
3nm
LP
GAIN SENSITIVITY
¤ AUTO ROUGH
¡ AUTO MODERATE
¡ AUTO CALM
¡
MAN
0
Model 1800/1900 series
0
GAIN
M
319. 9
ADJUST
GAIN
A/C
SEA
A/C
RAIN
A/C AT
ON /OFF
RETURN
359.9 ˚R
+
11.70
nm
2-3