User manual
30
16. Calibration of the Position Sensors
If the quadrocopter does not hover stably in place, but keeps ying in one direction, this can be xed with the trim. If
the trim must be adjusted very far, you may need to recalibrate the position sensors in the model.
Proceed as follows:
First switch on the transmitter and then the quadrocopter.
In this case, place the quadrocopter ready to start onto a
level, horizontally aligned surface.
Then move the two control levers of the transmitter to the
respective lower left corners and hold the two control le-
vers in this position.
After a few seconds, the red and green LEDs of the quad-
rocopter ash several times to display successful calibra-
tion of the position sensors.
Then the LEDs remain lit again.
Perform a test ight to check if the quadrocopter still
strongly tends to y into a specic direction. Very small
trends can be compensated via the trim.
Figure 24