B. How to disarm
When the flight is finished, always make sure F121 is disarmed when get close and try touching it to avoid
unexpected harm.
Throttle on left(Mode 2): Toggle the left joystick to the lower left corner and hold this position for 3 seconds till the
green LED of F121 is off.
Throttle on right(Mode 1): With right joystick at bottom, toggle the left stick to the left and hold this position for 3
seconds till the green LED of F121 is off.