ORIGINAL: RC-Av8tor
JR and Futaba do not speak the same language... you cannot use a Futaba receiver with a JR transmitter, or vice-versa. Servos are a
Only in America ....
fwiw outside of 72/75MHz (aka North American radios), everyone else in the world can freely mix and match Fut/JR TX and RX's. (whic is JR +ve shift, btw).