Timing adjustment, Hdg adjustment, Service man menu – Icom MR-1000TTM User Manual
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11
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, cable
length adjustment is necessary.
q Position your boat near a straight target such as
breakwater, wharf, etc.
w Push [–]/[
] several times to select
1
⁄
8
or
1
⁄
4
NM
range.
e Push [TX (SAVE)]/[
] to display the target
on the screen.
r Push [MENU]/[
], [Ú] and [
≈
] several times to
display the “SERVICE MAN” menu.
t Push [Ú] until the “TIMING ADJ.” section becomes
highlighted.
y Push [
Ω ≈
] to adjust the echo until it becomes
straight. (see below)
u Push [MENU]/[
] to return to the normal screen.
Proper adjustment
Improper, pulling inward
Improper, pushing outward
■ 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 direction of the bow.
q Line up the bow of the boat with an identifiable tar-
get.
w Push [TX (SAVE)]/[
] to display the target
on the screen.
e Push [MENU]/[
], [Ú] and [≈] several times to
display the “SERVICE MAN” menu.
r Push [Ú] until the “HDG ADJ.” section becomes
highlighted.
t Push [Ω ≈] to adjust, until the target matches the
heading marker. (the difference can be read out on
the menu screen)
y Push [MENU]/[
] to return to the normal screen.
1
T.V E C T
0.000N M
NM
C U R S
S O G
H U P
0 0 0 . 0 ˚
R
H D G
IR
ES
SERVICE MAN
SPD ADJ.
0.0
˚
HV
SETUP MEMORY
RANGE
2 4 0 0 0
MONITOR
HEATER
5 7 3 1 . 0 H
TX TIME
3 0 . 0
OUTPUT
ENGLISH
VOLTAGE
MG
3 4 0
7 5
3 . 0
0 . 5 5
TIMING ADJ.
1/8
3/4
2
6
16
36
1/4
1
3
8
24
1/2
1.5
4
32
HDG ADJ.
1
T.V E C T
0.000N M
NM
C U R S
S O G
H U P
0 0 0 . 0 ˚
R
H D G
IR
ES
SERVICE MAN
SPD ADJ.
10.0
˚
HV
SETUP MEMORY
RANGE
2 4 0 0 0
MONITOR
HEATER
5 7 3 1 . 0 H
TX TIME
3 0 . 0
OUTPUT
ENGLISH
VOLTAGE
MG
3 4 0
7 5
3 . 0
0 . 5 5
TIMING ADJ.
1/8
3/4
2
6
16
36
1/4
1
3
8
24
1/2
1.5
4
32
HDG ADJ.
48
12
48
12
Push [Ω ≈]
Angle of difference
MR-1000R2_T2.qxd 04.2.24 10:22 Page 33