The percussion beats are a good way to learn timing

Tried it with two different sets of fresh batteries, making sure I put them in the right way.

I prefer it on the clean channel with the drive up about 1/3 and the volume all the way

don't turn your guitar volume up all the way, start at super low volume and work your way up from there

The adjustments were hard to tune-in with the knobs, but I expect my ability to dial-it-in will improve as I use it.