Engraving resolution can be set in Beam Studio by menu > "Edit" > "Document Setting".
Engraving resolution stands for the fineness and quality of the final result.
Get more detailed results when the resolution is set to "Ultra High", but it takes longer to engrave the same file.
On the contrary, setting the resolution to "Low" gets rough quality but takes shorter time.
The quality stands for the spacing of each line scanned by the laser which correspond to 0.2mm / 125 dpi, 0.1mm / 250 dpi, 0.05mm / 500 dpi and 0.025 / 1000 dpi.
Select the right resolution to fit the need of the quality and time.