C
B. How to enter into compass calibration?
Using first time or replacing battery, press [C] , it will enter into
compass calibration. To get more accuracy data, under compass
mode, long press [C] , it will enter into compass calibration.
C.How to calibrate compass?
When enter into calibration, circle on LCD display will rotate, splay
on the top. Keep watch level, rotate it clockwise with equal speed
and slowly till it exits calibration automatically and enter into
compass mode.
If there is no operation in 30 seconds, compass will go to IDLE mode.
If calibrating is not successfully, compass calibration mode will be
displayed on LCD when enter into compass mode. Then we should
calibrate it again.
Magnetic Declination
Magnetic declination is defined as the angle between magnetic
north (the direction the north end of a compass needle points) and
true north. Only a GPS can determine true north by knowing your
exact orientation on the earth. All digital compasses measure
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