ok tested this here
code M12 macro
DoButton( 24 )
DoButton( 23 )
DoButton( 22 )
DoButton( 25 )
DoOEMButton(133)
DoOEMButton(134)
DoOEMButton(135)
gcode file:
G21
G90
G53 Z0
G0 G54 Y-79
M12
G0 Y-79
T1 M6 S3250 M3
G43 H1 Z15
G1 F250
without any Problem, maybe somebody else can do the test as well, to doublecheck.