Hi Jim,
I'm guessing this is in an effort to get better audio for your videos as per DonM's comment. Does your video camera have external mic inputs? That would be the way to go if possible. You would probably need to use a small mixer to match proper levels from the keyboard into the video camera but shouldn't be a big deal.
On the other hand, if you record the video with your little camera and the audio with the PA800, as long as you don't stop or pause either one throughout the whole performance, it would be fairly simple to import the files into a video editor and match the audio to the video. Then I could chop it into individual cuts if you like. I have Vegas Pro 8 video/audio editing software and would be happy to help you with this. I could even make a short video demo and author it to DVD that you could copy and hand out to prospects.
Then again this may not involve video at all, so... never mind.
Best Regards,
Dave
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Wm. David McMahan
LearnMyKeyboard
JazzItUp Band
The Modulators