A: The operating voltage range of R4F is from 4.8V to 10V, supporting high voltage servo.

A: R4F is compatible with RadioLink RC6GS V2/RC4GS V2/RC6GS/RC4GS/T8FB/T8S.

A：Only one working mode, outputting PWM signal without gyro function.

A:

① Put the transmitter and the receiver close to each other (about 50 centimeters) and power both on.
② Switch on the transmitter and the GREEN led on R4F will start flashing slowly.

③ There is a black binding button (ID SET) on the side of receiver. Press the button for more than 1 second and release, the GREEN led will flash quickly, meaning binding process is ongoing.

④ When the GREEN led stops flashing and is always on, binding is complete and there will be a signal tower shown on top of the LCD screen of the transmitter. If not succeed, the green led will keep flashing slowly to notify, repeat the above steps.

Note: If bound to transmitters without screen like T8S or T8FB, the always on LED means binding completed.

A: The slow flashing LED means binding doesn’t succeed or the signal gets lost after binding completes.

A：The control range is 400m on the ground. The maximum range tested in unobstructed areas free of interference.