Machsupport Forum
Mach Discussion => General Mach Discussion => Topic started by: chipmaster on April 06, 2016, 05:58:15 PM
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Hi. I've just started using Mach 3 on a small (Chinese ) engraving machine and I would like to know how to switch between mm and inch units. I don't see a toggle for this on any of the Mach screens. I've configured the machine set-up parameters using millimeters , but some of the G code I use is in inch format .
Also, I'm having the same trouble selecting the right coordinate system, resulting in horrific crashes :'(
Any help would be welcome .
Bruce
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All you really need to do is put a G20 at the start of your inch g-code file.
Ideally, though, you should have two Mach3 profiles. One with the machine set up for mm's, and one set up in inches.