LaserAce® Pocket Series
Issue 1.0
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Page
33
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7.5
Calibrating Compass
On acquiring a new LaserAce® Pocket Series, it is recommended that you complete the following calibration in
order to remove any interference.
Integrated within the LaserAce® Pocket Series is a compass system that includes firmware for heading
computation and calibration for magnetic distortions. The module combines 3-axis magneto-resistive sensors
and 3-axis MEMS accelerometers, as well as other elements for heading computation. It is recommended that
the user complete the following calibration routine in order to remove any further magnetic interference with the
compass and its surrounding areas.
USER CALIBRATION MAY BE NECESSARY IF THE BATTERY IS CHARGED OR REPLACED.
Select ‘SETUP’ from main menu.
Select ‘CONFIGURATION’ from setup menu.
Select ‘COMPASS’ from configuration menu.
Select ‘CALIBRATE’ from compass menu.
Press a key to start calibration process.
Calibration is a two-stage process, horizontal and downward calibration:
•
Start with eyepiece pointing towards the horizon, with device as level as possible
•
Press a key to start horizontal calibration.
•
Slowly rotate the Pocket Series clockwise through 360°.
•
Rotate at least twice, while maintaining level position.
•
Press a key to end the horizontal calibration process.
Horizontal user calibration orientation.