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When the laser is not in use, keep the Power/Transport Lock
switch in the center (OFF) position (Figure
battery power.
ired.
Turning the Laser On
1.
Place the laser on a smooth, flat, level surface, with the
ock
laser facing straight ahead toward the opposing wall (0º
position).
2.
Turn the laser ON to display the horizontal and vertical
laser beams. Either:
• Move the Power/Transport Lock switch to the left to keep
the pendulum locked and display the cross beams in
manual mode (Figure
• Move the Power/Transport Lock switch to the right to
ry
unlock the pendulum and display the cross beams in
self-leveling mode (Figure
3.
Check the horizontal and vertical laser beams.
• If the laser is tilted so much that it cannot self-level
(> 4°), or the laser is not level in manual mode, the laser
beams will flash.
the
• If the laser beams flash, the laser is not level (or plumb)
e.
and should NOT BE USED for determining or marking
level or plumb. Try repositioning the laser on a level
surface.
4.
If ANY of the following statements are TRUE, continue with
the instructions for Checking Laser Accuracy BEFORE
USING THE LASER for a project.
• This is the first time you are using the laser (in case the
laser was exposed to extreme temperatures).
• The laser has not been checked for accuracy in a
while.
ser.
• The laser may have been dropped.
ery
ing
n
) to save
A 2
).
A 1
).
A 3
Checking Laser Accuracy
The laser tools are sealed and calibrated at the factory. It
is recommended that you perform an accuracy check prior
to using the laser for the first time (in case the laser was
exposed to extreme temperatures) and then regularly to
ensure the accuracy of your work. When performing any of
the accuracy checks listed in this manual, follow these
guidelines:
• Use the largest area/distance possible, closest to the
operating distance. The greater the area/distance, the
easier to measure the accuracy of the laser.
• Place the laser on a smooth, flat, stable surface that is
level in both directions.
• Mark the center of the laser beam.
Horizontal Beam - Scan Direction
Checking the horizontal scan calibration of the laser requires
two walls at least 30' (9m) apart. It is important to conduct
a calibration check using a distance no shorter than the distance
of the applications for which the tool will be used.
1.
Place the back of the laser against a wall and facing straight
ahead toward the opposing wall (Figure
2.
Move the Power/Transport Lock switch to the right (Figure
) to turn the laser ON in self-leveling mode and display
A 3
the horizontal and vertical beams.
3.
Turn the laser 45º counter-clockwise so that the right-most
end of the laser line is displayed on the wall.
4.
Mark
on the center of the beam on the wall.
a
5.
Turn the laser 90º clockwise so that the left-most end of
the laser line is displayed near
6.
Mark
on the center of the beam on the wall.
b
7.
Measure the vertical distance between
E
).
D 1
(Figure
).
a
D 2
and
.
a
b
11
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