Hi AnnMarie, I have a question about Futaba R127DF receivers. Can I change the crystal to a different channel, or even replace the crystal with the same channel without the receiver needing to be serviced? About five years ago the service center told me not to change anything without sending the receivers in for service/tuning. Hitec reps said I could change the crystals/channels on the Hitec receivers w/o servicing them. What do you recommend?

Thanks much,

John Wells