Icom MR-570R [39/49] I mbs adjustment

Icom MR-570R [39/49] I mbs adjustment
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SERVICE MAN MENU
MBS adjustment
NOTE: While pushing and holding [MOB] and
[TRAILS], push [POWER] to activate the
Tuning ad-
justment setting.
q Push [] several times to select the 1/4 NM range
or shorter. Push [MENU], [ ]/[ ] several times to
display the “SERVICE MAN” menu.
w Push [ ] until the MBS section becomes high-
lighted.
e Push [ ]/[ ] to adjust so that the echo of near by
objects are discerned with maximum denition.
r Push [MENU] to return the normal screen.
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] to display the target on the screen.
r Push [MENU], [ ]/[ ] 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.
Proper adjustment
Improper, pulling inward
Improper, pushing outward
CAUTION:
In the case, when you re-adjust MBS adjustment
from the minimum position, AUTO TUNE (Auto-
matic tuning) function may not tune properly.

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