I have a Vip922 with dish dish network, and I have downloaded the dish app from itunes, and can view my dish programs on my Iphone and my PC laptop. I want too view the output of my iphone on a large screen TV by using a AV cable from my iphone to a TV). Do not want to jailbreak my iphone (...

I have a RV with an winegard RM-4600 satellite dish(with only one LNB output) I want to hookup a vip622 DVR dual rcvr to one TV. I have Dish network What do I need to do to hookup the two rcvr inputs using the one cable from the antenna? I have read that I must change the LNB on the...