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2. RADAR OPERATION
2-3
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.
Model 1800/1900 series
GAIN
ADJUST
GAIN
RETURN
319. 9
°
M
359.9 ˚R
11.70
nm
+
Model 1700 series
GAIN
ADJUST
GAIN
RETURN
12/
H-UP
3nm
LP
359.9 ˚R
11.70
nm
+
A/C
SEA
A/C
RAIN
FTC
A/C
SEA
A/C
RAIN
A/C AT
ON /OFF
12/
H-UP
3nm
LP
319. 9
°
M
GAIN SENSITIVITY
AUTO ROUGH
AUTO MODERATE
AUTO CALM
MAN
0
GAIN SENSITIVITY
AUTO ROUGH
AUTO MODERATE
AUTO CALM
MAN
0
Gain adjustment soft keys
2. Press the GAIN soft key to show the gain sensitivity setting window.
GAIN SENSITIVITY
AUTO ROUGH
AUTO MODERATE
AUTO CALM
MAN
0
Gain sensitivity 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.