I Timing Adjustment; I Hdg Adjustment - Icom MR-1000TIII Instruction Manual

I 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
range.
Proper adjustment

I 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.
1
NM
S O G
TIMING ADJ.
HDG ADJ.
SPD ADJ.
SETUP MEMORY
RANGE
1 1
⁄ or ⁄ NM
8 4
Improper, pulling inward
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
Angle of difference
Push [
SERVICE MAN
ENGLISH
OUTPUT VOLTAGE 3 0 . 0
0.0 ˚ HV 3 4 0
7 5
2 4 0 0 0 MONITOR
HEATER 0 . 5 5
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 32
12
e Push [TX (SAVE)]/[
on the screen.
r Push [MENU]/[
], [ ] and [ ] several times to
display the "SERVICE MAN" menu.
t Push [ ] until the "TIMING ADJ." section becomes
highlighted.
y Push
to adjust the echo until it becomes
straight. (see below)
u Push [MENU]/[
] to return to the normal screen.
Improper, pushing outward
q Line up the bow of the boat with an identifiable tar-
get.
w Push [TX (SAVE)]/[
on the screen.
e Push [MENU]/[
], [ ] and [ ] several times to
display the "SERVICE MAN" menu.
r Push [ ] until the "HDG ADJ." section becomes
highlighted.
t Push
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
C U R S
NM 0 0 0 . 0 ˚ R 0.000N M
S O G H U P H D G
]
SERVICE MAN
ENGLISH
TIMING ADJ. OUTPUT VOLTAGE
HDG ADJ. 10.0 ˚ HV
SPD ADJ. 2 4 0 0 0 MONITOR
SETUP MEMORY HEATER
MG
TX TIME
RANGE 1/8 3/4 2 6
1/4 1 3 8
1/2 1.5 4
12
11
SERVICE MAN MENU
] to display the target
] to display the target
IR
ES
3 0 . 0
3 4 0
7 5
0 . 5 5
3 . 0
5 7 3 1 . 0 H
16 36
24
48
32
33