SYMA Gyro Remote Control Series User Manual page 19

Problem
The drone is
flying towards
its side in one
direction during
hovering
In the headless
state, it is biased
towards the front
direction
Fixed high
instability / up and
down movement
Reason
1. The drone is not calibrated
level to the ground.
1. Many collisions may cause
head biasness.
1. The drone is not calibrated
level to the ground.
2. Unstable air pressure under
the severe weather condition.
3. Violent collision resulting in
data disorder of gyroscope.
-18-
Solution
1. Re-adjust the calibration
until the drone is level
to the ground. For further
details, see No.3 on Page
5 for details (Function of
horizontal adjustment).
1. Re-define the front
direction. For further
details, see on Page 6
for details (Headless
Function).
1. Re-adjust the calibration
until the drone is level
to the ground. For further
details, see No.3 on Page
5 for details (Function of
horizontal adjustment).
2. Avoid to fly under the
severe weather condition.
3. Make horizontal
adjustment again, see
No.3 on Page 5 for details
(Function of horizontal
adjustment).