udir/c FIREFLY U46W Guide De Démarrage Rapide page 9

Preparing Your U46W
U46W drone uses 32mm propellers. The propellers are
marked with "A" or "B". Propeller is consumable, if any
damage, please purchase a new one for replacement.
Before installing the propeller, please check the letter mark
"A" or "B" on the frame arms and propellers. Make sure the
letter mark on the propeller is the same as the mark on the
frame arm.
Be sure that the propeller is in correct position, otherwise
the drone will fail to work properly.
Since the propeller is thin, please wear gloves while
installing to prevent your hand from scratches.
Notice: Please read the "Operation Guide" carefully before
flight! Please pay special attention to parts that may
cause injury.
A=A
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www.udirc.com
B=B