в моих настройках $22=1
[CTRL+X] < Grbl 1.1f ['$' for help]
[MSG:'$H'|'$X' to unlock]
$X < [MSG:Caution: Unlocked]
$$ < $0=10
$1=25
$2=0
$3=7
$4=0
$5=0
$6=0
$10=3
$11=0.010
$12=0.002
$13=0
$20=0
$21=1
$22=1
$23=3
$24=25.000
$25=500.000
$26=250
$27=1.500
$30=1000
$31=0
$32=0
$100=800.000
$101=800.000
$102=800.000
$110=5000.000
$111=5000.000
$112=800.000
$120=10.000
$121=10.000
$122=10.000
$130=300.000
$131=180.000
$132=35.000
ok
[MSG:'$H'|'$X' to unlock]
$X < [MSG:Caution: Unlocked]
$$ < $0=10
$1=25
$2=0
$3=7
$4=0
$5=0
$6=0
$10=3
$11=0.010
$12=0.002
$13=0
$20=0
$21=1
$22=1
$23=3
$24=25.000
$25=500.000
$26=250
$27=1.500
$30=1000
$31=0
$32=0
$100=800.000
$101=800.000
$102=800.000
$110=5000.000
$111=5000.000
$112=800.000
$120=10.000
$121=10.000
$122=10.000
$130=300.000
$131=180.000
$132=35.000
ok