need help hope i am in the right forum i have a dish network hd 722 vip reciver and i plan to get it running i have two dishes one at 119,110 and the other at 129 for hd my question i have a diseque switch could i use it and check switch in the menu system and would it work ok ?? dont know what kind of a switch i will need for this reciver and the second question i have a dual tunner i think i need a duplex ???? and how will i connect it need help please thanks.