User Manual Manual

7
Chapter 2：
：：
：Start to Use
2-1 Install AAA Battery into the device
Unlock the battery lock Take the cover off
Put the battery in the correct direction Push in opposite side to Lock
2-2 Magnetic North Adjustment
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.