Problem is i got 2 811's and saw a post on here that you can change the UHF channel on them -- I dont see any info on this in the manual and the 2 keep interfering with each other... Thanks in advance -- Paul

Wish I had come here before I switched from DTV to Dish or so I am starting to feel -- I have an 811 and last night I kept loosing my signal on TNT-HD and IFC when switching between them -- I would get an error message stating that it cant acquire the signal. I've also seen an error message a...