The manual says satellites 1 - 26 are predefined, but I can't find a list as to what these assignments are. My problem is I use the same positioner for multiple receivers. I arbitrarily assigned satellite position numbers starting with (1) at my West most satellite. It would appear that, if i want to use DiSEqC positioning with the 3500, I must change my assignments to 27 and above. If I do this, I'll have to reassign my other receivers to match. My positioner supports USALS, but my dish has two LNB's (1 LP, 1 CP) which are one degree apart. USALS works for the LP LNB, but not for the CP. My other receivers have the ability to offset the USALS value by 'x' counts, but I didn't see that ability in the 3500. Suggestions?