Capture NX and DNG profiles
It's been a long time since I used NX1, so I don't recall for sure, but I believe that it will use ICC profiles.
But I'd urge the OP to upgrade to NX2. The added features over v.1 make it a much more useful program.
And if the OP ever wants to move to any new or even fairly recent Nikon DSLR, and wants NEF support for that camera in CNX, he'll have to go to v.2. v.1 hasn't been updated in a long time, camera-wise.
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|Mtl Gen X 2015 DP by MarioSS|
from - Gen X - (In Full Colours+ Border)