Transmitter Stick Calibration; Transmitter Battery Installation - Hubsan X4 Installation Instructions Manual

5.2 Transmitter Stick Calibration

Mode 2: Push both sticks to the upper left position and hold, then power on the transmitter. Rotate
both sticks twice. Hold down any trim until the LED on the transmitter blinks red, indicating
successful calibration.
Mode 1: Push the left stick to the upper left position and right stick to the upper right position and
hold, then power on the transmitter. Rotate both sticks twice. Hold down any trim until the LED on
the transmitter blinks red, indicating successful calibration.

5.3 Transmitter Battery Installation

Notice: Do not mix old and new batteries.
Do not mix different types of batteries.
Do not charge non-rechargeable batteries.
PUSH
Install 4 x AAA batteries
Remove the cover
according to the correct polarities
Remove Propellers: Hold the propeller, insert
the U wrench under the propeller, pull up
and the propeller will easily come o the
motor shaft.
Install Propellers: Pinch the propeller hub,
align the hole to the motor shaft, and press
it straight down rmly but gently.
The propellors are dangerous when the quadcopter is ying. To avoid injury or damage,
install the protection cover.
Note:
Remove the propellers. Position the cover's four holes with the motors. Press each of them onto
the motors, then re-install the propellers in their correct positions on the X4 .
When removing the protection cover, remove the propellers rst as in the above steps, and
pinch the protection cover from each motor. After any crash landing, always check to make sure
PUSH
the protection cover is still on tight, and that the body, motors and propellers are not damaged.
Replace cover