Wife had system installed and everything was working a few days later now it is not working. Signal strength across the board is 0. nothing has moved as far as we know. On these systems is there a specific az. and el. or just point south? My experience with sat install is all military and...

What s the function of the LNB? What does LNB stand for, and what would you use to test these dishs or a recieve signal? My sat recievers in all rooms just continuously search for a signal..