I currently have a DP 7200 being fed from a Dish 500 to a SW21 switch. When I go into the dish pointing screen, I noticed something strange. On Sat 119, transponders 1,3 and 9 read 0 whereas all the rest read in the 80s and higher. On 110, I am getting no signal on 4,6,7,13,17,19. In the dish...