I'm going to try this on my PV2+. Hopefully it will work.
I have a PV2 which flies perfectly, holds GPS positions and altitude. This is a video I put up sometime ago in high winds, https://www.youtube.com/watch?v=6ug1mq0M72E .
But, my PV2+ is terrrible, hard to get Sats, never get more than 7...