$0=10 - Step Pulse Length (µsec) $1=254 - Step Idle Delay (msec) $2=0 - Step Pulse Configuration $3=0 - Axis Direction $4=0 - Step Enable Invert $5=0 - Limit Pins Invert $6=0 - Probe Pin Invert $10=1 - Status Report $11=0.020 - Junction Deviation (mm) $12=0.002 - Arc Tolerance (mm) $13=0 - Feedback Units $20=1 - Soft Limits (Enable/Disable) $21=0 - Hard Limits (Enable/Disable) $22=1 - Homing Cycle (Enable/Disable) $23=0 - Homing Cycle Direction $24=100.000 - Homing Feed (mm/min) $25=500.000 - Homing Seek (mm/min) $26=250 - Homing Debounce (msec) $27=5.000 - Homing Pull-off (mm) $30=12000 - Max spindle speed (RPM) $31=550 - Min spindle speed (RPM) $32=0 - Laser mode (boolean) $100=400.000 - X (steps/mm) $101=400.000 - Y (steps/mm) $102=400.000 - Z (steps/mm) $103=8.889 - A (steps/degre) $104=8.889 - B (steps/degre) $110=750.000 - X-Max Rate (mm/min) $111=750.000 - Y-Max Rate (mm/min) $112=750.000 - Z-Max Rate (mm/min) $113=1440.000 - A Max rate (degre/min) $114=1440.000 - B Max rate (degre/min) $120=50.000 - X-Max Acceleration (mm/sec2) $121=50.000 - Y-Max Acceleration (mm/sec2) $122=50.000 - Z-Max Acceleration (mm/sec2) $123=50.000 - A Acceleration (degre/sec2) $124=50.000 - B Acceleration (degre/sec2) $130=400.000 - X-Max Travel (mm) $131=200.000 - Y-Max Travel (mm) $132=200.000 - Z-Max Travel (mm) $133=360.000 - A Max travel (degres) $134=180.000 - B Max travel (degres)

inversion table for machines with mirrored axes

The settings page lists only inversion values for XYZ axes, however when using dual X or Y axis, inverting both motors requires inverting a currently undocumented (As far as I can find) N axis.

{| class=“wikitable”

!$3 Value !! Mask !! Invert X !! Invert Y !! Invert Z !! Invert N

0 0000 N N N
1 0001 Y N N
2 0010 N Y N
3 0011 Y Y N
4 0100 N N Y
5 0101 Y N Y
6 0110 N Y Y
7 0111 Y Y Y
8 1000 N N N
9 1001 Y N N
10 1010 N Y N
11 1011 Y Y N
12 1100 N N Y
13 1101 Y N Y
14 1110 N Y Y
15 1111 Y Y Y