Lathe dro users

I have a DRO on my 14x40 and I use the DRO and ignore the dials. Since I am often machining to a diameter I use diameter. When I throw a mic on it to check it I get a diameter.
 
The dial on most lathes reads radius, so you divide by 2 to take some amount off of the diameter. You can do the same thing with a DRO. I just got my lathe DRO a few weeks ago and I still haven't figured out set it for for diameter :) Doesn't really matter, I have been dividing by 2 for about 50 years.


OK, using the lathe today, so I decided to sit down and read the book for the DRO. I didn't see anything in there that told how to switch between diameter and radius. But... I have 1 micron scales, so by setting the DRO X axis resolution to 2 microns, the readout is now correct for radius. May not be the right way to do it, but it works fine. ;)
 
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