Sometimes I get CNBC(355) on channel 455, where CCTV9 should be. It mostly happens on my D10-100, but it also happens on my H20-600. The guide banner is always correct for the channel I am tuned to, but the show is wrong. Which leads me to believe it is not the receivers, but how the video content gets from the LNB through the various switches and cabling to the receivers.