Yeah I had the Floor unit so I understand the switching program pretty well. 
I would like to change my 3 channel Amp which received only PC in 4CM and an Helix effect at the same time. But the Helix toggle gets out of sync with 3 or more changes in a song. Scenes or being able to send ON/OFF CC values would be AWSOME with my set up 
Thanks for your time 
Kj