So glad to have found you guys. We have a new RV with 2 Visio HD tvs and purchased a Dish211z. We are trying to add the bedroom tv. The receiver does not have a coax connection but a Hd (which we attached the 1st tv and it is working fine. The receiver also has the 3 AV colored connection. We purchased a Radio Shack RF modulator so we could connect to the cable that runs directly to the bedroom tv. We are only getting "no signal" no matter what input we put it on. The input choices are TV, AV, COMPONENT, HDMI 1, HDMI 2, and RGB. What could we be doing wrong?? Thanks in advance?