I upgraded from a HR10-250 and am trying to find our how to switch from one tuner to the other one with the HR21. On the HR10 you can hit Info and switch tuners. I use this to catch up on a show that starts before another one ends. Some shows run over a few minutes now. I would put one tuner on...

I just got upgraded to the 5 lnb dish and an HR21-700. When I change from a Standard def channel to a High Def channel there is a series of pops that sound sort of like electrical arcing (think welder). Is this normal? If something is wrong, I want to get them back out immediately. My HR10-250...

Is any one else having these issues. It worked fine until the last couple of weeks. I have only had it a month. Now it flickers and then will go out for a couple of seconds. My signal is 90-92. Works fine on VOOM HD channels but not on TVLand, FX, etc. Makes it difficult to watch anything...