A Series2 Tivo should work with Dish, albeit in SD only. It shouldn't have any problems changing the channel on a Dish receiver. That said I doubt this is the solution the OP was hoping for (not that he can get it from a 722 either--DishPass ain't that flexible). -- Mike

I agree that the signal is strong. I have a 622 and 722 with all four tuners modulating. I get a clear picture on every TV, and didn't have to use an amp. I have TV1/TV2 from the 722 in my family room diplexed back to the main cable feed via the same RG6 that carries the sat feed. The 622 in...