Furuno FR-1710 manual CRT Brilliance, Control Panel Backlighting, Tuning the Receiver

1.4 CRT Brilliance

Operate the BRILL control on the control panel of the display unit to adjust the entire screen brightness. Note that the optimum point of adjustment varies with ambient light- ing conditions, especially between daytime and nighttime.

1.5 Control Panel Backlighting

1. Press the [MENU] key.

MENU

1.VIDEO PLOT

2.TGT TRAIL

3.TGT ALARM

4.PANEL DIM

5.ECHO SIG

6.FUNC

7.PLOT

8.MARK

9.BRILL

0. OTHER

Figure 1-3 Main menu

2.Press the [4] key twice. The following dis- play appears.

DIMMER

1. PANEL BRIGHT 7 6 5 4 3 2 DIM

Figure 1-4 Screen for adjustment

of panel dimmer

3.	Press the [1] key to select backlighting
	level desired.
4.	Press the [ENTER/SELECT] key to reg-
	ister your selection and the [MENU] key

1.6 Tuning the Receiver

The radar is set for automatic tuning at the factory.

Automatic tuning

The radar receiver is tuned automatically each time the transmitter is turned on. The tuning indicator and the label AUTO at the top right corner of the display unit shows the tuning circuit is working. The receiver may become detuned, in automatic tuning, if own ship’s radar receives the radar signal of an- other shipborne radar. To retune, press the [STBY/TX] key twice.

Manual tuning

1.Set up for manual tuning following the procedure shown below.

2.While observing the picture on the 48 mile scale, press and hold down the GAIN control while slowly adjusting the VRM ro- tary control to find the best tuning point. This condition is where the tuning indica- tor lights to about 80% of its total length. Note that the tuning indication will never extend to full length.

Selection of manual or automatic tuning

1.Press the [MENU] key.

2.Press the [0] key twice to display the OTHER menu.

OTHER

to close the menu.

1.HDG SET

2.SPD MODE

3.MAN SPD

4.DRIFT SET

5.DISPLAY

6.MARK/LINE

7.TUNE

8.NAV DATA

9.EBL/VRM

0.↓

MAN LOG NAV LOG (S-BT)

LOG (S-WT)

Figure 1-5 OTHER menu

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