Kapro PROLASER 875 Manual Del Usuario página 17

8) Turn the laser 180° towards wall A, and adjust the laser that the
vertical beam will pass through the point a1 and mark on the
wall the center of the cross beams as a2 (see figure 4).
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# ‫תמונה‬
9) Measure the distances:
10) The difference | Δa – Δb| should not be more than 2 mm,
Otherwise, send the laser level to a qualified technician for
repairs.
2. Checking the Level Accuracy of Horizontal beam.
(Side to side inclination)
1) Set up the laser on a tripod or on a solid surface at a distance
of approximately 1.5 meters from a wall 5 meters long.
2) Unlock the pendulum safety lock (#12), to project the forward
horizontal and vertical cross beams towards the wall.
a2
X
X
a1
Figure # 4
Figure # 4
Δa= |a2-a1|
Δb= |b1-b2|
b1
X
X
b2
A
B
0.5m
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