Deerc DE51 - Flight Controls: Movement and Rotation

Push the left joystick forward, the helicopter will ascend. Push
the left joystick reverse, the helicopter will descend.
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< OPERATION >
3. Ascend, Descend, Forward, Reverse,
Left Rotate and Right Rotate
Push the right joystick forward, the helicopter goes forward.
Push the right joystick reverse, the helicopter goes reverse.
Push the right joystick to the left, the helicopter will rotate to the
left. Push the right joystick to the right, the helicopter will rotate
to the right.