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15
E
6.
If you press the Slope Mode button to turn ON Slope Mode, the unit
automatically engages the X-Axis. This allows you to slope the laser in the
direction of the X-Axis, as indicated by the X mark on the top roll cage.
• In certain situations, it may be desirable to slope the laser in the Y-axis.
The direction of Slope Mode can be changed back and forth between the
Y-axis and the X-axis by pressing the X-Y axis button
(Figure
A
13
).
• If using X-axis leveling, the X-axis LED (Figure
A
15
) will light, or if using
Y-axis leveling, the Y-axis LED (Figure
A
14
) will light instead.
7.
When in Slope Mode, press or to tilt the laser head up and down
(adjust the elevation of the laser beam).
• Each quick press of
or will move the slope by 0.01º (1/16” @ 30ft.
or 1.6mm @ 10m).
• If you press and hold
or between 2 sec - 10 sec, the slope will
move from 0.01º/sec to 0.2º/sec.
• If you press and hold
or longer than 10 sec, the slope will move
0.2º/sec.
8.
To turn off the laser unit, press and hold the power button for 3 secs.
9.
BEFORE using the laser for your first project, follow the instructions for
Checking the Calibration.
Checking the Calibration
Field calibration checks should be done frequently. This section provides
instructions for performing simple field calibration checks of your DeWALT
Rotary Laser. Field calibration checks do not calibrate the laser. That is, these
checks do not correct errors in the leveling or plumbing capability of the laser.
Instead, the checks indicate whether or not the laser is providing a correct level
and plumb line. These checks cannot take the place of professional calibration
performed by a
DeWALT service center.
Level Calibration Check (X-axis)
1.
Position a tripod securely on the floor between two walls that are at least 50 feet
apart. The exact location of the tripod is not critical.
2.
Make sure that the top of the tripod is roughly level.
• The laser will self-level only if the top of the tripod is within ± 5˚ of level.
• If the laser is set up too far out of level, it will beep when it reaches the
limit of its leveling range. No damage will be done to the laser, but it will
not operate in an “out of level” condition.
3.
Attach a tripod adapter (Figure
G
1
) to the laser unit. The adapter may be
assembled to the bottom for level mode or to the side for plumb mode.
4.
Place the laser with the attached adapter on the tripod and screw the
threaded knob on the tripod into the female thread on the tripod adapter.
5.
Position the laser unit with the tripod so that the laser’s X-axis points
directly toward one of the walls (Figure
L
1
).
6.
Turn the laser unit on and allow it to self-level.
7.
Where the beam appears on the left wall, mark point A, and where the beam
appears on the right wall mark point B.
8.
Turn the laser unit 180º so that the X-axis points directly toward the
opposite wall (Figure
L
2
).
9.
Allow the laser unit to self-level.
10.
Where the beam appears on the left wall, mark point AA, and where the beam
appears on the right wall mark point BB.
11.
Calculate the Total Error using the following equation:
Total Error = (AA-A) - (BB-B)
12.
If your Total Error measurement is greater than the Allowable Error for
the corresponding Distance Between Walls in the following table, the laser
must be serviced at an authorized service center.
L (Distance Between Walls) Allowable Error
40′ (15m) 3/64” (1.5mm)
50′ (20m) 1/16” (2mm)
70′ (25m) 3/32” (2.5mm)
100’ (30m) 1/8” (3mm)
Level Calibration Check (Y-axis)
1.
Set up a tripod between two walls that are at least 50 feet apart. The exact
location of the tripod is not critical.
2.
Make sure that the top of the tripod is roughly level.
• The laser will self-level only if the top of the tripod is within ± 5˚ of level.
• If the laser is set up too far out of level, it will beep when it reaches the
limit of its leveling range. No damage will be done to the laser, but it will
not operate in an “out of level” condition.
3.
Attach a tripod adapter (Figure
G
1
) to the laser unit. The adapter may be
assembled to the bottom for level mode or to the side for plumb mode.
4.
Place the laser with the attached adapter on the tripod and screw the
threaded knob on the tripod into the female thread on the tripod adapter.
5.
Position the laser unit with the tripod so that the laser’s Y-axis points
directly toward one of the walls (Figure
M
1
).
6.
Turn the laser unit on and allow it to self-level.
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