Kapro Prolaser 875 Green Manuel D'utilisation page 19

5) The distance between a1 and a2, should not be more than
1 mm, otherwise to send the laser level to a qualified technician
for repairs.
3. Checking the Accuracy of the Vertical beams.
1) Hang approximately 4 meter plumb line on a wall.
2) After the plumb line has settled, Mark point a1 on the wall
behind the plumb line near the plumb cone. (see figure 7).
3) Set up the laser on a tripod or on a solid surface in front of the
wall at a distance of approximately 2 meters.
4) Unlock the pendulum safety lock (#12), to project the forward
horizontal and vertical cross beams towards the plumb line.
a1 x
Figure # 7
Figure # 7
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