1) .IMU calibration
Place the plane horizontally and click the "IMU Horizontal
Calibration" button. Calibration will be completed after 3
seconds. If the body is placed at an inclined angle during
calibration, or if it is shaken, it needs to be recalibrated.
2). Magnetic compass calibration
Click the "Magnetic Compass Calibration" button, the LED yellow
light is always on, and enter the horizontal calibration. As shown in
the figure, at this time, place the aircraft horizontally, rotate the
nose clockwise until the LED green light is always on, and enter
vertical calibration. As shown in the figure, at this time, the nose is
facing downwards and rotated clockwise until the LED red, green
and yellow flash alternately, and the calibration is completed.