I use USALS exclusively as well. I did have it set up with USALS and 1.2 awhile ago and I experienced some weird behavior. Just FYI, if you ever need to simulate "nudging" or fine tuning using usals, you can change the satellites location in the USALS menu.
Let's say I am on G10R at 123W, but I think I could get a little better signal (since my dish is not 100% perfectly aligned - maybe 99%

). I can change the location of G10R to be 123.1W or 123.2W and fine tune it like that.
That increased my signal quality by some 20%