Kapro MIXED PROLASER 875RG, User Manual

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8) Turn the laser 180° towards wall A , and adjust the laser so that
the vertical beam passes through point a1 and on the wall, mark
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 2 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 safety lock (#11), to project the forward
horizontal and vertical cross beams towards the wall.
B
Xb2
a1
X
Xa2
0.5m
A
Figure # 4
# הנומת 4
Xb1
Figure # 4