80
can adjust sensitivity up to 100 percent but the unit will limit your
minimum
setting. In auto, the unit will continue to make small ad-
justments, allowing for the setting you selected.
In manual mode, you have
complete
control over sensitivity, with the
ability to set it anywhere from zero to 100 percent. Once you select a
level in manual, the unit will continue to use that exact sensitivity set-
ting until you change it or revert to auto mode.
To adjust sensitivity in auto mode:
1. Press
MENU
|
ENT
.
2. The Sensitivity Control Bar appears. Press
↓
to decrease sensitivity;
press
↑
to increase sensitivity. When it's set at the desired level, press
EXIT
. (When you reach the maximum or minimum limit, a tone sounds.)
At left, Sonar Menu with Sensitivity command selected. At right, the
Sensitivity Control Bar.
Summary of Contents for FishMark 500C
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