Kapro Prolaser Multi Beam Manuel D'utilisation page 20

3. Checking the Accuracy of the Vertical beam.
1. Hang an approximately 4 meter /13 feet 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 flat surface in front of
the wall at a distance of approximately 2 meter/ 6.5 feet.
4. Unlock the pendulum, and press the button to project the
vertical beam towards the plumb line.
5. Turn the laser so that the vertical beam will merge
with the plumb line below the hanging point.
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