Burn only corner

Hello guys
Someone can explain me how to set the engraver to engraver from al surface same power?
I engrave 8 martie and its nkt look sow prety bcs is burn to much on the corner(beggin and over) and the middle no power same
Can some1 explain me
Thx
I leave here 1 photos to show you what i means say


I run whit this mode

Do you have Constant Power Mode selected in the Cuts/Layers window? That will cause what you describe.