I had a problem with the Vista unit after which my radio started acting weird and giving me warnings. I thought it was low battery, but it was recalibration. After recalibration and firmware upgrade, the throttle works in reverse. Help?

I had a problem with the Vista unit after which my radio started acting weird and giving me warnings. I thought it was low battery, but it was recalibration. After recalibration and firmware upgrade, the throttle works in reverse. Help?