Ok! So a bunch of stuff is not listed under DRO.
But it has a "Use DRO Number" and says 1000-225 in valid
So i tried 818 anyways, and it works! LOL
BR549, i agree, Mach3 is a big mess, in terms of documentation!
You gotta be willing to search a lot more than you should have to, read a lot, here other places and watch a lot of youtube, and spend a crap load of time piecing the crumbs together to get a piece of bread!