Q. What is BEC?

A. BEC. stands for Battery Eliminator Circuitry. This means the speed control supplies power to the receiver and servos from the motor power battery so there is no need for a separate battery pack for the receiver.

SP-520 and SP-560

Q. What port in the receiver do I plug my 520 and 560 into?
Q. What is BEC?
Q. Is the 520 and 560 reversible?
Q. Does reverse have variable speed?
Q. What are the motor limits on the 520 and 560?
Q. What if it overheats and quits running?
Q. How do I avoid overheating?