Q：General can not try not to use, but the use of the time must be used, generally when the UAV automatic return into the visual range should cancel automatic return instead of manual control of automatic return GPS signal is good, the compass is normal, there are no big obstacles on the path of return. But when the hot spots in the F file with any time if the remote signal is lost, will be hovering, if the remote control signal is lost, will continue to surround until the low voltage.
Q：This once every demolition is a damage to the propeller fixing mechanism, can not dismantle the propeller is not removed, install the propeller must ensure the lock in place, especially the spirit of self tightening 3 right propeller, propeller should be installed with one hand gently pinch the motor shell, with the other hand along the right direction of screwing, the hand slip until the following. If the screw too tight, it will damage the thread, cause slippery silk (e.g. thread left below on the left side of the propeller has been sliding, on the right side of the propeller, and about 50 times normal) is recommended for use carbon fiber to strengthen the propeller paddle, due to greater hardness can be reduced at the oars, but once the objects collide and easily damaged, can not be use