Quote Originally Posted by EddyCurrent View Post
It just shows how naff g-code files are when the units are not specified in a file header,
They are if you know how to read g-code the G20 says it all. It's always at the top of G-code or in the intial string and Mach displays this on the top bar so there's no excuse really.! . . . . Every one should try and learn a little G-code and Units to be cut in is one of the must's along with offsets and mode codes.