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•
Do not mix old and new batteries. Replace all of them
at the same time with new batteries of the same brand
and type.
•
Remove dead batteries immediately and dispose of per
local codes.
•
Do not dispose of batteries in fire.
•
Keep batteries out of reach of children.
•
Remove batteries if the device will not be used for
several months.
Checking Laser Accuracy
The laser levels are calibrated and sealed at the factory.
It is recommended that you perform an accuracy check
prior to using the laser level for the first time (in case
the laser level 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. Refer to Field
Calibration Check.
•
Place the laser level on a smooth, flat, stable surface that
is level in both directions.
•
Mark the center of the laser line.
Field Calibration Check
Checking Accuracy – Horizontal Beam, Scan
Direction (Fig. E)
Checking the horizontal scan calibration of the laser level
requires two walls at least 30' (9 m) 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 on a smooth, flat, stable surface that is
level in both directions.
2. Power on the laser and slide the pendulum lock/unlock
and power switch
13
Turning the Laser On.
to the vertical position. Refer to
3. Turn on the laser level's horizontal beam and pivot the
laser level approximately 45˚ so that the right‑most end
of the laser line is striking the opposing wall at a distance
of at least 30' (9 m). Mark (a) on the opposing wall.
4. Pivot the laser level approximately 90˚ to bring the
left‑most end of the laser line around to mark (a). Mark
the center of the beam (b).
5. Measure the vertical distance between the marks
(a and b).
•
If the measurement is greater than the values shown
below, the laser level must be serviced at an D
service center.
Distance Between Walls
30'
40'
50'
Distance Between Walls
9.0 m
12.0 m
15.0 m
Checking Accuracy – Horizontal Beam, Pitch
Direction (Fig. F)
Checking the horizontal pitch calibration of the laser level
requires a single wall at least 30' (9 m) long. 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. Attach the laser level to one end of a wall using its
pivot bracket.
2. Power on the laser and slide the pendulum lock/unlock
and power switch
13
Turning the Laser On.
3. Turn on the laser level's horizontal beam and pivot the
laser level toward the opposite end of the wall and
approximately parallel to the adjacent wall.
English
WALT
e
Allowable Distance
Between a and b
1/8"
5/32"
7/32"
Allowable Distance
Between a and b
3.1 mm
4.2 mm
5.2 mm
to the vertical position. Refer to
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