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3. INSTALLATION
28
8. Press ▲ to select YES, and the display
now looks as below.
HEADING LINE ADJUSTMENT BY
’ ’ AND ’ ’ KEYS.
THEN PUSH MODE KEY TO SET.
Heading Line
Message
Heading adjustment display
9. Visually identify a suitable target (for
example, ship or buoy) at a range
between 0.125 to 0.25 miles.
10. Point your boat’s bow directly toward the
target selected at step 9.
11. Locate the target selected at step 9 on
the display and choose a range which
places it in the outer half of the picture.
12. Press ◄ or ► to bisect the target with the
heading line.
Heading Line
Target
Heading adjustment display
13. Press the [MODE] key.
14. Press the [MENU/ESC] key to return to
the installation menu.
15. Move the boat towards a small buoy and
confirm that the buoy shows up dead
ahead on the radar when it is visually
dead ahead.
Timing adjustment
Sweep timing differs with respect to the
length of the antenna cable. Adjust sweep
timing to prevent pushing or pulling of the
target as illustrated below and placement of
targets at incorrect ranges.
Correct
Target pushed
inward
Target pushed
outward
Improper and correct sweep timing
1. Transmit on a range between 0.125 and
0.5 nm and adjust the sensitivity and A/C
SEA. (See page 4 and 5 for procedure.)
2. Select TIMING ADJUST from the Radar
Setup menu and press
►
.
RADAR SETUP
HEADING ADJUST
TIMING ADJUST
SET ON TIME : 000000h
SET TX TIME : 000000h
[MENU/ESC]: Exit.
: YES
: NO
Radar setup menu (timing adjust)
3. Press ▲ to choose YES, and the display
now looks as below.
SWEEP TIMING ADJUSTMENT BY
’ ’ AND ’ ’ KEYS.
THEN PUSH MODE KEY TO SET.
Message
Timing adjustment display
4. Find a target which should be “straight”
(harbor wall, straight pier) on the radar
display.
5. While looking at the target selected at
step 4, straighten it by pressing ▲ or ▼.
6. Press the [MODE] key.
7. Press the [MENU/ESC] key to return to
the installation menu to complete the
procedure below, or shut off the power.