Hi,
I've got an Onkyo T407 Tuner that I want to integrate into my whole-house stereo. It has a "R1" plug in the back for remote control, but I don't think it has a remote sensor on the unit itself.
Does anyone know where I can get information about what the protocol is for the R1 port? I assume it would be possible to get something else to send out the correct codes, but I don't think I'm up to the challenge of reverse-engineering them. Especially since I don't have an Onkyo receiver to test with.

Any help would be greatly appreciated, thanks,

Brian McGee