Laser configuration M10 and M11 command

[boogui]

Hi, i recently added A 4W laser to my stepcraft D840. I use fusion 360 and the Stepcraft/UCCNC post processor.
to cut a simple circle a get this Gcode:
(cercle)
G90

(2D Profile7)
M3
#1=1000 (Cutting)
#4=1000 (Entry)
G54
G0 X255.85 Y55.
M10 Q128
G1 X255.95 F#4
G3 X245. Y65.95 I-10.95 J0. F#1
X234.05 Y55. I0. J-10.95
X245. Y44.05 I10.95 J0.
X255.95 Y55. I0. J10.95
M11
M5
M30

M10 is suppose to start the laser and Q128 to set it at 50% of power, and then M11 to stop the laser

What happen is that M3 trigger the laser on and S command set the power, like for the spindle.
Where do i change M10 and M11 and Q to be interpreted correctly ?

Thanks for your help