We just got Dish last week. Should moving the antenna to TV2 work through a triplexer also? In the back of my vip 722 I have tv1 and tv2 cables along with a ch21-69 output cable all going though a triplexer. I tried a couple of combinations but never could get the remote to work at all when I...

We just got DISH installed and I wasn't here myself when it happened. We are supposed to have a 3rd TV mirroring TV2. After thinking we had a remote problem, I found out that when we change channels on TV1 it also changes the mirror TV. How do we get it to mirror TV2? From what I have read about...