On Sunday, which is in two days, I will be shooting an outdoor music concert. I have an A1 for the 1st camera and I will also have a Canon ZR200 for a 2nd camera. The forecast is for all sun with very little cloud cover. What PRESET should I use so that I can accurately match the footage in post?

I don't know about the presets,

However I have found that the neutral density set to the low position (1/32) and about -2.0 on AE will handle most of the light situation on a bright sunny day. Then if you hit a dark environment like a shadow area just hit exposure lock and use the iris to brighten it up.

Bill in Ohio

To "accurately match" those two cams you'll need to use Preset 11.

Thanks guys. The second camera didn't make it so all I had was my A1, but I made it through OK.