Hubsan H122D Quick Start Manual page 6

3. Connect the drone to its battery. While all units are in either binding or
pairing modes, please do not touch, press or move any of the transmitter
joysticks, buttons or keys. Doing so will cause the aircraft to drift or
perform unstably during flight.
transmitter's binding status LED will be a solid blue.
Step 2
Horizontal calibration (also known as Gyro calibration)
Horizontal calibration is required when the aircraft drifts on the horizontal
plane during flight. When this happens, land the aircraft and disarm its
motors. Follow the below steps to do a horizontal/gyro calibration.
1. Place the aircraft on a completely flat surface and then follow the below
calibration procedure. Hold the left stick to the right side of its socket.
Rapidly and continuously wiggle the right stick left and right until the rear
red LEDS flash alternately.
2. Calibration is complete when the LED indicators stop flashing. It is
recommended that users wait for 15-20 seconds after the calibration is
completed before flying again.
Hold the left stick to the
right side of its socket.
After binding is successful, the
Rapidly and continuously wiggle
the right stick left and right until
the rear LEDS flash alternately.