16
8) Without turning the laser level, lock the pendulum and move
the laser level towards wall
B
and position it approximately
0.5 meter from wall
B
.
9) Unlock the pendulum and press the Beam Selector (a) twice
to project all 3 lasers beams.
10) Verify that the vertical line passes through
a1
and
b1
.
11) On wall
B
, mark the center of the cross beams as
b2
(see figure# 3).
12) Turn the laser 180°. Reposition the laser and verify that the
2 vertical lines pass through
b2
and
a1
.
13) On wall
A
, mark the center of the cross beams as
a2
(see figure # 4).
A
B
Figure # 3
C
a1
0.5m
X
2m
b1
X
b2
X
