Should have looked a bit harder. I found the new firmware 4.10 and the release notes for it. Looks like they fixed the A+ line angle input routine.

I'm getting kind of anxious to start using it again.

I suppose you have your N priced and delivered. May not be any available here this spring. Even @ $460 / ton for urea!! $5 wheat and $4 corn seems to be motivating additional use.