I've installed a bunch of the RX-77 units and have problems with some unit and not with others. If you read my other post on the RX-77, I seem to be having problems with an existing RadioRa installation and my RX-77 receiver. The entire Master Bedroom suite has Ra in it and the Ra switches transmit on 418mhz and so the RC9200. There seems to be some interference between the two. I'm going to take a Freq Counter to the job and see if 418 is being transmitted on and off.

I've changed the Channel/codes and have had better luck with the remote. Dave from Marantz's tech support has been a great help with troubleshooting problems.