Kapro Prolaser Vector 873, Руководство пользователя

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3) Mark point
a1
on the wall, in the middle of the horizontal line
at the left edge of the horizontal beam (see figure 5).
4) Turn the laser level counterclockwise until the right edge of
the horizontal beam reach’s near
a1
, mark a point
a2
on the
wall in the middle of the horizontal beam (see figure 6).
a1
approximately 5m
1.5m
Figure # 5
X
x a1
x a2
Figure # 6