I'd just point them to the FAQ if they like a bit of reading. Take another bow, Tony, It's much deserved
Just the seer size of it (the FAQ) should be an indication of the number of things the empeg can do. And yet, fundamentally, it's quite simple to operate.
If you haven't already convinced them yourself by rattling off a list of benefits and impressing them with your own collection on tap, the FAQ is the next stop.