I'm guessing that the audibles in this system will be much more up to Austen. This will result in less "look to the sidelines". I think Austen will be given enough lee-way that if he sees something in the defense that makes him want to switch things up, he won't have to look to the sideline for guidance...
I imagine this will be the case, unless it is disastrous. Even if it's less than perfect, confidence in your QB's read/audible skills should be a factor in who's taking the snaps...