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Chapter 2： ： ： ： Start to Use
2-1 Install AAA Battery into the device
Unlock the battery lock
Put the battery in the correct direction
2-2 Magnetic North Adjustment
Take the cover off
Push in opposite side to Lock
1.
When using GD-102 for the first time, GD-102 will
automatically perform the magnetic-north adjustment
as seen in the left screenshot.
2.
For the method of adjustment, please refer to Chapter
3-2.
3.
If GD-102 shows the incorrect or inaccurate
direction, please perform the magnetic adjustment by
operating the function button.
7
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