Furuno 1763C, 1753C, 1742, 1733C, 1752, 1723C, 1762 Gain adjustment soft keys, Gain sensitivity window

2. RADAR OPERATION

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.

Item selected for adjustment is highlighted.

.250/SP.125nm	319.9° M
H-UP

￿§GAIN SENSITIVITY

AUTO ROUGH

AUTO MODERATE

￿°AUTO CALM

MAN 0

GAIN

ADJUST

GAIN

A/C

SEA

A/C

RAIN

FTC

RETURN

+359.9° R 0.24nm

.250/SP.125nm	319.9° M	GAIN
H-UP		ADJUST

GAIN

A/C

SEA

A/C

RAIN

A/C AT

ON/OFF

￿ §GAIN SENSITIVITY RETURN

AUTO ROUGH
AUTO MODERATE		+359.9	°	R
MAN	0
￿°AUTO CALM
		0.24nm

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.

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