Furuno NAVnet 1722 - Page 37

2. RADAR OPERATION
2-3
To adjust the receiver gain, transmit on long range, and then do the following:
1. Press the [GAIN] key. The last-used “adjustment window” is displayed. In the
example below, the gain sensitivity adjustment is shown.
.250/ 319.9
°
M
.125nm
SP
H-UP
GAIN
ADJUST
+
359.9 ° R
0.24nm
GAIN
A/C
SEA
A/C
RAIN
FTC
RETURN
GAIN SENSITIVITY

¤
AUTO ROUGH
¡ AUTO MODERATE
¡ AUTO CALM
¡ MAN
0
Item selected for adjustment is highlighted.
.250/ 319.9
°
M
.125nm
SP
H-UP
GAIN
ADJUST
+
359.9 ° R
0.24nm
GAIN
A/C
SEA
A/C
RAIN
RETURN
GAIN SENSITIVITY

¤
AUTO ROUGH
¡ AUTO MODERATE
¡ AUTO CALM
¡ MAN
0
A/C AT
ON/OFF
MODEL 1722/1722C/1723C series MODEL 1833/C series
Gain adjustment soft keys
2. If the gain sensitivity window is not displayed, press the GAIN soft key to
show it.
GAIN SENSITIVITY

¤
AUTO ROUGH
¡ AUTO MODERATE
¡ AUTO CALM
¡ MAN
0
Gain sensitivity window
3. Press ▲ or ▼ 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. The range of
adjustment is 0-100.
5. Press the [GAIN] key on the front panel or the RETURN soft key to finish.