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Sample Step
Set the distance for GPS data sampling. If you
set 3, it means the GPS will sample data every
3m.
Note:
the smaller the value is, the more
GPS data the device will generate.
However that will correspondingly cause
the system react slow.
Calibrate Compass of Display
Used for calibration of compass built in the display
The device provide you an perfect compass function.
However due to some unpected reason, sometime
you may find the compass indicator does not show
the proper direction. Then it is necessary for you to
callibrate the compass.
Arrive Alarm
Arrive alarms sounds when the distance from
boat to target waypoint is equal or less than
the menu setting.
Note:
when Compass calibration of display start,
please hold the display on hand and turn & tilt it in
a figure-8
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