Timing Adjustment; Hdg Adjustment - Icom MR-1200RII Instruction Manual

10
SERVICE MAN MENU

■ TIMING adjustment

The system cable length affects the sweep timing.
When the cable length adjustment is not correct, a
straight target is shown as a curved echo. Thus, a
cable length adjustment is necessary.
q Position your boat near a straight target such as
breakwater, wharf, etc.
w Push [–]/[
1 ⁄ NM range.
4
Proper adjustment

■ HDG adjustment

If the heading marker line differs from the exact bow
direction, correct the heading marker line as follows.
This function may be helpful when the scanner has not
been mounted exactly in the line with the bow.
37
] one or more times to select
1
T.V E C T
NM 0.000N M
C U R S 0 0 0 . 0 ˚ R
S O G H U P H D G
Angle difference
SERVICE MAN
ENGLISH
TIMING ADJ. OUTPUT VOLTAGE
HDG ADJ. 0.0 ˚ HV
SPD ADJ. 2 4 0 0 0 MONITOR
SETUP MEMORY HEATER
MG
TX TIME
5 7 3 1 . 0 H
RANGE
1/8 3/4 2 6 16 36
1/4 1 3 8 24 48
1/2 1.5 4 12 32
e Push [TX (SAVE)]/[
on the screen.
r Push [MENU]/[
"SERVICE MAN" menu.
t Push [q] one or more times to select "TIMING
ADJ."
y Push [u] to adjust the echo until it becomes straight.
1 ⁄ or
(see below)
8
u Push [MENU]/[
Improper, pulling inward
q Line up the bow of the boat with an identifiable tar-
get.
w Push [TX (SAVE)]/[
on the screen.
e Push [MENU]/[
"SERVICE MAN" menu.
r Push [q] one or more times to select "HDG ADJ."
t Push [t] or [u] to adjust, until the target matches
the heading marker. (the difference can be read out
on the menu screen)
y Push [MENU]/[
1
NM
S O G
IR
ES
Push [� ] or [ �]
3 0 . 0 TIMING ADJ.
3 4 0 HDG ADJ.
7 5
SPD ADJ.
0 . 5 5
SETUP MEMORY
3 . 0
RANGE
] to display the target
] one or more times to select the
] to return to the normal screen.
Improper, pushing outward
] to display the target
] one or more times to select the
] to return to the normal screen.
T.V E C T
C U R S 0 0 0 . 0 ˚ R 0.000N M
H U P H D G
IR
ES
SERVICE MAN
ENGLISH
OUTPUT VOLTAGE 3 0 . 0
10.0 ˚ HV 3 4 0
7 5
2 4 0 0 0 MONITOR
0 . 5 5
HEATER
MG
3 . 0
TX TIME
5 7 3 1 . 0 H
1/8 3/4 2 6 16 36
1/4 1 3 8 24 48
1/2 1.5 4 12 32