If you experience the "prop pitch bug" in the 109E4

Originally Posted by CaptainDoggles

[I]What I've found is that if you put it into manual mode and play around with the manual controls for a few seconds (i.e. give it a few clicks of Fine, and then a few clicks of Coarse) and then put it back into automatic mode it functions normally.

Yep. I noticed that too. Its good workaround untill they fix the issue.