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 a1and b1.
11) On wall B, mark the center of the cross beams as b2
(see figure# 3).
A
a1
X
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).
16
C
Figure # 3
2m
B
b1
X
b2
X
0.5m