Kapro CROSSLIGHT 3D LASER GREEN Manuel D'utilisation page 16

C
A
a2
x
x
a1
14) Measure the distances:
15) The difference | Δa – Δb| should be no more than 3 mm,
otherwise send the laser level to a qualified technician for
repair.
16
Figure # 4
Δa= |a2-a1|
Δb= |b1-b2|
180°
2 m
B
x b1
b2
x
0.5 m