16
B
0.5m
A
X
a1
Figure # 2
# הנומת
2
X
b1
B
X b2
a1
X
0.5m
A
Figure # 3
# הנומת
3
Xb1
5) Turn the laser 180° towards wall
B
and mark the center of the
cross beams as
b1
on the wall (see figure 2)
6) Move the laser level towards wall
B
positioning it at approximately
0.5 meters from wall
B
and
adjust the laser so that the vertical
beam passes through point
b1
.
7) On wall
B
, mark the center of the cross beams as
b2
(see figure 3).
Figure # 2
Figure # 3