I found this for settings although I cannot change the HDMI Black Level on my UN55C700.
http://reviews.lcdtvbuyingguide.com/lcdtvreviews/samsung-un55c7000-calibration.html
Hope this helps you.
Any calibration settings for this model yet? Just read about the '8000' series calibrations, although I didn't think the model had been released for sale to the 'public' yet. Thanks for any and all help.

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