Overmax X-bee 9.5 Manual De Usuario página 42

The process takes about 8 seconds. When it is finished, the remote control
will send two short sounds and drone LEDs will start flashing alternately
in yellow (fig. 19).
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How to calibrate the compass
NOTE: Compass must be calibrated after the detection mode. The
calibration must be performed before every flight as well as after you
have replaced the battery.
1. Horizontal calibration
Front and rear LEDs in the horizontal calibration mode will flash alternately
in yellow. Keep the drone and rotate horizontally around its axis. Make
about three rotations. When the calibration is successful, LEDs will flash
in green (fig. 20).
2. Vertical calibration
Front and rear LEDs in the vertical calibration mode will flash alternately in
green. Keep the drone vertical (camera facing upwards) and rotate it around
its axis. Make about three rotations. When the calibration is successful,
LEDs will glow constantly (fig. 21).
NOTE:
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How to lock and unlock the drone
To lock and unlock the drone, you have to start the drone motors.
To unlock the drone press the lock key
the drone will be unlocked.
Do not calibrate the compass in a strong magnetic field.
When calibrating, do not keep any magnetic items (e.g. keys, mobile
phones).
When calibrating, keep a distance from large metal items.
. briefly. Motors will start and