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Kapro Prolaser 852G Manuel D'utilisation page 16

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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
a2x
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 meter long.
2) Unlock the pendulum and press the button to project the
horizontal and the vertical cross lines towards the wall.
16
Figure # 4
Δa= |a2-a1|
Δb= |b1-b2|
B
180°
b1
x
x
b2

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