Kapro Prolaser 862 GREEN Manual Del Usuario página 15

8) Turn the laser 180° towards wall A, and mark on the wall
the center of the cross lines as a2 (see figure 4).
A
a2
x
a1
x
9) Measure the distances:
10) The difference | Δa – Δb| should not be more than
3 mm, otherwise to send the laser level to a qualified
technician for repairs.
Checking the Level Accuracy of Horizontal Line.
(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 to project the horizontal and the
vertical cross lines towards the wall.
Figure # 4
Δa= |a2-a1|
Δb= |b1-b2|
180°
B
b1
x
b2
x
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