Kapro PROLASER ALL-LINES 875 GREEN Manuel D'utilisation page 24

12) Mark point d1 on wall D, in the middle of the side vertical
beam. (see figure #12).
c1 X
13) Rotate the laser clockwise so that the forward laser beam
passes through mark d1 on wall D. Verify that the
plumb dot is on mark x.
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C
X
Figure # 12
Figure # 12
D
X d1