Waiting for connection... Grbl 0.9j ['$' for help] Your Grbl may not support Variable Power mode (M4) If your laser does not turn off between cuts, switch to the GRBL-M3 device ok ok [0.9j.20180122:] ok $$ $0=10 (step pulse, usec) $1=250 (step idle delay, msec) $2=0 (step port invert mask:00000000) $3=0 (dir port invert mask:00000000) $4=0 (step enable invert, bool) $5=0 (limit pins invert, bool) $6=0 (probe pin invert, bool) $10=3 (status report mask:00000011) $11=0.010 (junction deviation, mm) $12=0.002 (arc tolerance, mm) $13=0 (report inches, bool) $20=0 (soft limits, bool) $21=0 (hard limits, bool) $22=0 (homing cycle, bool) $23=0 (homing dir invert mask:00000000) $24=25.000 (homing feed, mm/min) $25=500.000 (homing seek, mm/min) $26=250 (homing debounce, msec) $27=1.000 (homing pull-off, mm) $100=400.000 (x, step/mm) $101=400.000 (y, step/mm) $102=250.000 (z, step/mm) $110=5000.000 (x max rate, mm/min) $111=5000.000 (y max rate, mm/min) $112=1500.000 (z max rate, mm/min) $120=500.000 (x accel, mm/sec^2) $121=500.000 (y accel, mm/sec^2) $122=200.000 (z accel, mm/sec^2) $130=200.000 (x max travel, mm) $131=200.000 (y max travel, mm) $132=200.000 (z max travel, mm) ok