Furuno 1751 Operator's Manual page 72

6. INSTALLATION
Adjustments
(A) Improper,
pulling inward
(B) Proper (C) Improper,
pushing outward
Figure 6-15 Examples of Improper and Correct Sweep Timings
1. Transmit the radar on the shortest range and adjust the
GAIN
and
A/C SEA
Controls.
2. Visually select a straight echo (harbor wall, straight pier).
3. Press and hold down the
MENU
touchpad (about 10 seconds) until the INSTALLATION
menu appears.
Cursor
SEL MENU BY TRKBALL;
MhNU items with RANGE KEY
03590361XX
——
--
1 HD ADJ
TOTAL ON TIME 'I
2 TMG ADJ 00000 : 00 J
3
fmaa / gyro TOTAL TX TIME ^
4
m
/ KM
00000 : 00
Program No.
No. of hours
radar turned on
No, of hours
radar transmitted
Figure 6-16 INSTALLATION Menu
4. With the trackball, select "2. TMG ADJ*'.
MENU
SEL MENU BY TRKBALL:
ITEMS WITH RANGE KEY
1
HD ADJ DSPL STR TGT
g
TMG ADJ ON SHORT RNG.
3
PRESS -/+ KEY
4
H
/ <M
TO STRAIGHTEN.
Figure 6-17 Timing Adjustment
5. While looking at the target selected at step 2, press the
RANGE
+ touchpad if the target is
pulled inward, or press the
RANGE
- touchpad if the target is pushed outward.
6. Press the
MENU
touchpad to complete the adjustment.
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