I've had a few flights with the P3P and love it! But would like to know how to change the exposure compensation either on the fly or before hand.
Changing the ISO is easy, but if the light is either too bright or dim, it'd be nice to quickly change the exposure (+ or –) to tweak it.
Thanks!

This is a great tutorial! He covers EV around 24:10
http://youtu.be/xQJGAkQY6hE
The controller button is explained around 16:50 in this
Video tutorial:
http://youtu.be/LsK7KQvqhLQ

Thanks, Terry!