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M Codes

Note: M codes with a '**' in front of them are not yet implemented,  e.g. **M999     


Command
 Comment


M2 End of G code file listing
M20 Reset ALL axis mirror commands
M21 Mirror X axis. That is X+ becomes X- etc.
M22 Mirror Y axis. That is Y+ becomes Y- etc.
M23
Mirror Z axis. That is Z+ becomes Z- etc.
M991 M991<>xx.x<>yy.y<>zz.z<>rr.r<>ww.w   - Will Offsett the VDU XY display.

               Note: all axis MUST be  included. E.G., if only X and Y are Required then  M991 23 64 3 0 0  is the command.    
     
               Note:  M991 Should be on first line of the file to be used effectively!.

**M996   ( Invoke Cylinder display mode as follows, M996<>bbb<>ooo<>E  Where E = exhaust centric.    Or,
               ( M996<>bbb<>ooo<>B  Where B = boost centric.        

               ( Note: bbb = bore diameter, ooo = outside diameter.

               ( Note: the E or B modifier is allways shown across VDU centerline with the left tranfers to the left.
            
Note: '<>' represents a space         


Note: All commands and filenames MUST be in upper case!