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Check the horizontal and vertical laser
3.
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.
If ANY of the following statements are
4.
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.
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 centre 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.
Place the back of the laser against a wall
1.
and facing straight ahead toward the
opposing wall.
Move the Power/Transport Lock switch to
2.
the right (Figure
ON in self-levelling mode and display the
horizontal and vertical beams.
Turn the laser 45º counter-clockwise so
3.
that the right-most end of the laser line is
displayed on the wall (Figure
Mark
on the centre of the beam on the
4.
a
wall.
Turn the laser 90º clockwise so that the
5.
left-most end of the laser line is displayed
near
(Figure
a
Mark
on the centre of the beam on the
6.
b
wall.
Measure the vertical distance between
7.
and
.
b
) to turn the laser
A 3
).
D 1
).
D 2
GB
a
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