A quick heads up for anyone switching between acoustic and electric on their Katana....

I recently switched from my electric to acoustic on my Katana and the amp buzzed like a freight train. I immediately unplugged, plugged into the electric and it was fine. I thought it may have been some grounding issue or electrics in my acoustic. After a bit of problem solving I realized that, despite being on the "acoustic setting" the amp was set to a memory bank channel with some settings I downloaded (it may have been a sneaky amp setting) and there was some setting in there that completely disagreed with my acoustic. Setting it back to "panel" immediately solved the problem. Just thought I'd share, as I was literally about to return the amp after it blew out my eardrums.