Elegoo PHECDA Manual De Instrucciones página 18

Place engraving material
Pull out the focal length positioning bar, and
tighten the screws on the side by the height
where the protruding positioning bar
contacts the engraving material.
Click to engrave
Select engraving file
Select the plane mode →
select the positioning origin
→ make a stroke → confirm
the stroke position and then
engrave
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