14
5) Turn the laser 180° towards wall
B
, and mark the center
of the cross lines as
b1
on the wall (see figure 2).
6) Move the laser level towards wall
B
and position it
approximately 0.5 meters from wall
B
.
7) On wall
B
mark the center of the cross lines as
b2
(see figure 3).
B
A
a1
b2
x
b1
x
x
0.5 m
B
A
a1
b1
x
x
180°
Figure # 2
Figure # 3
