Elementary confusion…but my problem was that I was only using one input. So input 2 goes to tracks 2 and 4, in 1 goes to 1 and 3. I switched monitor to mono, and it fixed one combination (1 will now to go 4), but NOT in 1 to track 2. Weird. Still monkeying around.
update: after further experimenting, input 1 will go to tracks 1,3 and 4, but NOT 2. any ideas?
And what is the key combination to record a pattern?