Thanks for the reply. I did have 2 flashing greens at launch. Having come from the Phantom background, I learned in GPS (of course), then flew mostly in ATTI, and even tried manual (but on the Phantom that was hard because it was like trying to tame a wild horse). On the CS8, I fly GPS...
So I know this sounds suspicious, but...
Had a very strange (and very bad) crash this morning where my Cinestar8 took off and flipped over backwards about 4 feet off the ground. What's really odd about this is that this was probably the 20th flight with this setup and the first 19 were perfect...