Syride SYS’Evolution User Manual page 20

About the « reset to factory defaults » button:
The first step after a reset to factory defaults consists
in calibrating the touchscreen. This is done by clicking
on each of the 5 crosses.
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Then comes the calibration of the magnetometer.
This is done by turning the instrument in all possible
directions (360° vertically and horizontally). Click
anywhere on the screen once done.
This step is important because it will highly influence
the precision of the magnetometer.
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