Furuno FR-1710 User Manual Page 17

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1-3
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
to close the menu.
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
1. HDG SET
2. SPD MODE MAN LOG NAV
LOG (S-BT)
LOG (S-WT)
3. MAN SPD
4. DRIFT SET
5. DISPLAY
6. MARK/LINE
7. TUNE
8. NAV DATA
9. EBL/VRM
0.
Figure 1-5 OTHER menu
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