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Compass calibration:
A. When should we calibrate compass? Using first time or after replacing battery, it requests calibrate
compass first.
To let compass working more accuracy, we should calibrate compass regularly. When compass
decline degree too much, we should calibrate compass
B. How to enter into compass calibration?
Under compass mode, long press SET to enter into compass calibration. “Cal” will display on
screen. Please refer figure 7. Then press SET to start calibration.
C. How to calibrate compass
?
When enter into calibration, “Cal” will display on screen
.
The following procedure must be carefully and precisely followed or the calibration procedure will
fail.
1. On a flat, level surface, slowly rotate the compass in the clockwise direction. When the compass
reaches exactly 0°, stop for at least 3 seconds. If you overshoot this reading, slowly rotate
counterclockwise until it reads exactly 0°. Proceed to the next step.
2. Rotate the compass clockwise until it reads exactly 90° and stop for at least 3 seconds. If you
overshoot this reading, slowly rotate counterclockwise until it reads exactly 90°. Proceed to the
next step.
