You should always set the nut the way you want it and inspect the fret's.
From their web site:
For fine adjustments to your nut slots use our File Set NFS7
I's an accepted fact that final leveling and instrument set-up are best done after the guitar has been strung up to pitch for several days and the neck has time to settle in to the tension of the strings. Then, if needed, the frets may be leveled under tension to provide the finest action. After the frets are leveled then they are individually recrowned to restore their rounded shape. |
It's 106 miles to Chicago. We've got a full tank of gas, half a pack of cigarettes, it's dark, and we're wearing sunglasses. Hit it.