Kapro Prolaser Multi Beam Manuel D'utilisation page 17

8. Turn the laser 180° towards wall A, and mark on the
wall the center of the cross beams as a2 (see figure 4).
9. Measure the distances:
Δa= |a2-a1|
Δb= |b1-b2|
10.The difference | Δa – Δb| should be no more than
3 mm,if otherwise send the laser level to a qualified
technician for repair.
2. Checking the Level Accuracy of the Horizontal beam.
(Side to side inclination)
1. Set up the laser on a tripod or on a flat surface at a
distance of approximately 1.5 meters from a 5 meter/
16 feet long wall.
2. Unlock the pendulum and press the button to project the
horizontal and the vertical cross beams towards the wall
approximately at the center of it.
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