(G-Codes vary from machine to machine) G00 positioning (rapid traverse) G01 linear interpolation (feed) G02 circular interpolation CW G03 circular interpolation CCW G04 dwell G07 imaginary axis designation G09 exact stop check G10 offset value setting G17 XY plane selection G18 ZX plane selection G19 YZ plane selection G20 input in inch G21 input in mm G22 stored stroke limit ON G23 stored stroke limit OFF G27 reference point return check G28 return to reference point G29 return from reference point G30 return to 2nd, 3rd & 4th ref. Point G31 skip cutting G33 thread cutting G40 cutter compensation cancel G41 cutter compensation left G42 cutter compensation right G43 tool length compensation + dir G44 tool length compensation - dir G49 tool length compensation cancel G45 tool offset increase G46 ...