my install is set for 2/22 i have a 500 Qaud with no switch, all single feed to 3 recivers with 1 line to 4th location.i know that i need 2nd dish for hd on 61.5 or 129 that will be with install on 2/22. Can i do anthing with my 622 befor my install? any help please i am not likely in this boat alone.