So sorry, I certainly did not mean to mansplain I found @drbbennett tremendously useful to us. In fact, he is the reason we did not get a 670G. But I would have used all his lessons learned to try to figure it out for myself if we had Glad you have a good plan.
Btw, I would be 100% like you on this: I would not want to quit on AutoMode until I had satisfied myself 100% that there was no way I could make it work. So I understand totally why you are going back at it!