i am trying to install this reciver for a friend of mine, i have two dish 500 one on 119/110 and the other at 129 for hd, my question is i have a dp-34 switch but i have three dual separete lnbs but these lnbs are not dish-pro they are legacy will they work in conjunction with the switch thats dish pro and that the lnbs are not cause i was wondering if i do the check switch will it fail cause i have a dp switch and the lnbs are not. thanks