2. RADAR OPERATION

1.Press the [GAIN] key to show the “gain adjustment” soft keys. The last-used adjustment window appears. The example below shows the gain sensitivity adjustment window.

.250/

.125nm

319.9

° M

SP

 

 

H-UP

 

 

 

￿§GAIN SENSITIVITY

AUTO ROUGH

AUTO MODERATE

￿°AUTO CALM

MAN 0

GAIN

 

ADJUST

 

GAIN

Item selected for

 

adjustment is

A/C

highlighted.

SEA

 

A/C

 

RAIN

 

A/C AT

ON /OFF

RETURN

+359.9° R 0.277nm

Gain adjustment soft keys

2.If the gain sensitivity window is not 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.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, 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.

2-3

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Image 37
Furuno 1933, 1943, 1833 manual Gain adjustment soft keys, Gain sensitivity window