OK guys here is a quick way to sort this, use you scopes to find out how much of your luminance and chrominance information is getting through to your video space.
In Photoshop create an image with a gradient going from pure black out to pure white, (within tile safe), bring this into FCP, bring this file into a sequence and have a look at your scopes and see how much if any is being clipped. Nil
Now in Photoshop create a file using the gradient in the presets called Spectrum, bring this in and look at you scopes, WOW. RGB has more info than video space, go figure.
To create an image that is chrominance safe you need to adjust your levels, in the output section adjust your output to 13 and 233 now bring this file in and you are colour safe.
Until I did this process this morning I thought that the same held true for the luminance but no, the full one is fine and the 13-233 adjusted files has white pegged at 93% and 8%.
I have an action set up in Photoshop that I run over all files going to video, it resizes, sharpens and then adjusts their levels, 13-233, always look good. (Fields are another issues entirely)
Whether FCP recognises profiles or not, looking at the scopes will tell you if your image is safe.
Tony
Message was edited by: Tony Gay