Originally Posted by freechip
Try to increase throttle travel at the top end. Some esc don't arm because there looking for low throttle but where they look for it is so low that some rx need to have some throttle adjustment done.
Maybe you need to do the same for high throttle. Adjusting so it goes just a bit higher.
I read the gyro post again it to access the menu it needs to see full throttle. Either the board is defective or its simply just not seeing full throttle.
Increase throttle and see what happens. Remember Trim does not from mid to high throttle.
Okay, I went from 100% throttle travel to 150% and it worked! I am now back at the default settings. Thank you for your help and patience. You really understand this radio pretty well. Now I can check out how it flies at default and go from there.