Mark, although the language in the Denon manual doesn't make this clear(surprise), the Audyssey curve can't actually be copied to the manual equalizer and then "tweaked". For example, Chris from Audyssey replied to a similar question here . The available equalization choices are the Audyssey curves or the relatively crude manual equalizer or no equalization. There's no option to use them in combination.

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Enjoy the music, not the equipment.