Thanks for any help in advance.

I have a slimline dish I have just installed. I believe it is a sl5. It has 3 lnb's on it with only 1 wire hookup. So I have the wire from the dish going into the power to Swm port on the pi-21. I then have a wire going from the ird port to a d12 receiver. I have typed my zip ode and got the adjustments for the dish from the receiver. I'm not using a meter. I could not get a signal at all when I move the dish anywhere for an hour. Am I missing something.??? Really frustrating.