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4.
Push the battery compartment cover closed until it snaps in
place (Figure
).
B 4
When the laser is not in use, keep the Power/Transport Lock
switch in the center (OFF) position (Figure
battery power.
Turning the Laser On
1.
Place the laser on a smooth, flat, level surface, with the
laser facing straight ahead toward the opposing wall (0º
position).
2.
Turn the laser ON to display a horizontal laser beam.
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
unlock the pendulum and display the cross beams in
self-leveling mode (Figure
3.
Press
(Figure
A 4
beam, a second time to display a vertical beam, and a third
time to display both the horizontal and vertical beams.
4.
Check the 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.
• If the laser beams flash, the laser is not level (or plumb)
and should NOT BE USED for determining or marking
level or plumb. Try repositioning the laser on a level
surface.
5.
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.
• The laser may have been dropped.
) to save
A 2
)).
A 1
)).
A 3
) once to display a horizontal laser
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 (dot).
Horizontal Beam - Scan Direction
Checking the horizontal scan calibration of the laser requires
two walls 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 laser against the end of the 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
a horizontal laser beam.
3.
At least 30' (9m) apart along the laser beam, mark
.
b
4.
Turn the laser 180º.
5.
Adjust the height of the laser so the center of the beam is
aligned with
(Figure
a
6.
Directly above or below
(Figure
).
D 3
7.
Measure the vertical distance between
8.
If your measurement is greater than the Allowable
Distance Between
b
Distance Between
a
laser must be serviced at an authorized service center.
Distance Between
and
a
b
30' (9m)
40' (12m)
50' (15m)
D 1
).
D 2
, mark
along the laser beam
b
c
and
.
b
c
and
for the corresponding
c
and
in the following table, the
b
Allowable Distance
Between
and
b
c
5/32" (4mm)
7/32" (6mm)
5/16" (8mm)
E
).
and
a
9
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