I never even did read the manual on the Quad Cortex, it was easy to use
I did know how to use my Axe Fx II after 8 years using it, but it was hard, and I had to train the brain to learn were things were
Buuut my friend, that was not a `nerd` and just a guitar player, did ring me all the time when he was out playing live..alllll the time! How, What, ahhhh, hmmm, it was funny at times. I always got him on track
I even had to teach him on all the thing he was looking too do on the Axe Fx II. So I`ve see this a few times with other users of Fractal gear