Hood - I've just noticed your comment.
My trouble is I use both.
The machine is set up in Imperial, but much of the stuff I do is also metric - over here most of the material you buy is metric.
Does this mean that I can just put the appropriate code in, and the machine will respond in whichever system I need.
I am thinking, obviously, if I have all my tool offsets in imperial, will the machine, if I specify metric, convert these to metric for that particular program
Jim