I love the sounds, style and features of the MicroArranger, but I'm still not able to figure out simple, necessary moves.

Most of this, I know is keystrokes and pages. But I have a difficult time finding these answers in the manual and hope that someone else's explanation can make these things clearer to me. I need to be able to do these things on the fly LIVE if I ever plan to use this arranger for anything other than a diversion.

1. When playing a SMF, how do I access the STS voices? I keep getting whatever is on ch 1 and I know that's not right.
2. Same with style play - I can easily access the STS with buttons 1-4, but where can I consistently find them on the screen? They show up every now and then, but I can never remember how to find them.
3. Song vs Song Play: which should I use to load and play SMFs in seq 1 and 2?
4. Seq 1-2: Help me remember how to efficiently use both for SMF play.

Thanks in advance to anyone who even attempts to answer any these questions in common English.