GLOBALSAT GH-561 Quick Start - Manual (Page 8)

2. Follow the instruction to
calibrate X & Y axis first
3. Calibrated X & Y axis, continue
to calibrate Z axis
3. When you finished X/Y/Z axis
calibration, the display will
show ‘’ Calibration OK’’.
4. Press will return to
compass display’.
Notice: Usually, system will calibrate e-compass automatically after
power on. It doesn’t need to have a calibration every time, unless got
magnetic interference or base on particular request.