The First Flight Configuration; Binding The Aircraft And Transmitter; Horizontal Calibration (Also Known As Gyro Calibration) - Hubsan H122D Quick Start Manual

The first flight configuration: Aircraft + HT015
Transmitter
Step 1

Binding the aircraft and transmitter

1 . Pull and hold the throttle to its lowest position.
2．Hold down the Photo key and power the transmitter on. The
transmitter's status LED will flash red; please do not press or touch any
other keys, buttons or sticks while this process is ongoing. Users may let
go of the Photo key and throttle. Connect the aircraft to its battery and
allow it to bind to the transmitter. The two must be very close to each
other; when the bind is successful, the binding status LED will turn green.
All illustrations are shown in Mode 2 (American hand)
Step 2

Horizontal calibration (also known as Gyro calibration)

Horizontal calibration is required when the aircraft drifts on the horizontal