What does "CD" mean on the D3

Started Aug 7, 2010 | Discussions thread
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hzmeyer
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What does "CD" mean on the D3
Aug 7, 2010

On vacation and naturally I forgot the manual. Was taking photos of the laser show on Grand Coulee Dam when my D3 froze. I can see the ISO in the view finder along with "CD" but it won't take a picture. I changed lenses but that didn't help. This happened once a few years ago but I can't remember the remedy. Up until the point that it froze, it was working fine. Then, without intentionally changing anything, it stopped working.
Any ideas?

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