I have 4 receivers, 3 are RCA and the other samsung. I constantly have to unplug and then plug the sam back in to get it to operate, tonight I couldn't get it to operate at all. Msg says searching for satellite signal.......All connections are good, other 3 rx's working. Any ideas? Should I contact the dealer (less than 2 months old)? Also, I don't receive locals on the sam but I do on the RCAs.