Step1: Check the arms.
(1) Make sure the copper contacts are in good condition without bend or severe wear.
(2) Make sure the propellers are without crack, and screws in propeller cover tight.
(3) Make sure the motors are mounted firmly, and rotate freely.
(4) We recommend you to mount the arms with red propeller cover to M1 and M2 to indicate the nose
of aircraft.
(5) Distinguish the marks and on the arms.
Arm Center frame
Arm Center frame
Step2: Insert the frame arm into center frame vertically.
Step3: Slowly rotate the frame arm upward until positioned completely.
Step4: Press down the buckle to lock the arm. Make sure the arm does not move.
Step5: Make sure the buckle is pressed down correctly, about 35
o
under normal circumstances.
Notes:
(1) Please add some lubricant at the position (1) if it is hard to press down the buckle.
(2) Slowly rotate the frame arm to prevent from breaking the copper contacts.
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