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4. Turn the laser level counterclockwise until the cross-
section of the beams moves approximately 90°, mark
a point
a2
on the wall near
a1
in the middle of the
horizontal beam (see figure 6).
5. The distance between a1 and a2, should be no more
than 1.5 mm, if otherwise send the laser level to a
qualified technician for repair.
Summary of Contents for Prolaser Multi Beam GREEN Orbital laser
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