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3. ADVANCED SONAR OPERATION
3-13
3.9 Suppressing Effects of Pitching and Rolling
(Stabilizer)
The Motion Sensor MS-100 (option) compensates for the affects of pitching and
rolling to provide steady, non-fading pictures, along the bearing selected. Follow
the procedure below to use the stabilizer feature.
Displayed
Displayed
No pitching and rolling
Ship is pitching and rolling
Ship tilts
in bow direction
Not displayed
(You want to
display this
fish school)
Not displayed
Stabilizer turned ON
(Tilt angle compensated
in one direction only.
Echo in opposite direction
is not displayed.)
Displayed
Not displayed
Stabilizer activated
on front beam
Tilt angle
compensated
Beam before
stabilizer activated
How the stabilizer works
1. Operate the trackball to place the trackball mark on the bearing where you
want the stabilizer the picture.
2. Press the [STABILIZER] key. The stabilizer mark, a dashed line extending
from the screen center to the edge of the effective diameter of the sonar
display, appears on the bearing selected and “STAB” appears at the top right
corner of the sonar display.
Stablizer bearing data
B 45S
Stablizer Mark
Picture is stabilizer
on bearing chosen
with this mark.
STAB
Stabilizer ON
Stabilizer mark
Note: If the target lock function is active when the stabilizer is turned on, the
stabilizer works on the bearing selected for the target lock feature
(target lock function has higher priority) and the stabilizer mark is not
displayed. Even when target lock is deactivated the stabilizer operates
on the bearing selected for target lock.