There's nothing complicated about it until something breaks. The failure management procedures with double back tanks and an isolation manifold have some nuances that most divers can't (or don't) safely learn on their own. I recommend at least a short training course so that you know what you're getting into.I'd say you're experienced enough to teach yourself to dive recreationaly with a twinset. There is really nothing complicated about it.
Doubles Primer | GUE
