DeWalt DW074LR Instruction Manual page 14

ENGLISH
• The direction of the scan zone can be controlled with the
6
arrow buttons and
Slope Mode Button
• To activate Slope Mode press the slope mode button
• To return to self‑leveling mode and re‑engage full
self‑leveling, press and hold the mode button
Setting the Slope Direction
When Slope Mode is activated, 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 "gunsights" (
the rollcage.
24 25
The LED light or indicates the current slope direction.
DW079LR/LG only: 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
24 25
LED light or .
Setting the Amount of Slope
1. Turn on Slope Mode.
2. Select the desired axis.
3. Use the Arrow buttons (Fig. B,
rotor head up and down.
‑ Each quick press of an Arrow button will move the
slope by 0.01º (1/16" @ 30ft. or 1.6mm @ 10m).
‑ If you press and hold an Arrow button between 2 sec‑
10 sec, the slope will move from .0.01º/sec to 0.2º/sec.
‑ If you press and hold an Arrow button longer than
10 sec, the slope will move 0.2º/sec.
Arrow Buttons (Fig. B, R)
The arrow buttons (Fig. B,
functions depending on the operating mode of the laser unit.
In Self‑Leveling Horizontal Mode, the arrow buttons
•
rotate the direction of the laser beam clockwise or
counter‑clockwise during rotation, or adjust the position
of the laser beam clockwise or counter‑clockwise during
Scan Mode.
In Self‑Leveling Vertical Mode, the arrow buttons
•
rotate the direction of the laser beam clockwise or
counter‑clockwise during rotation, or adjust the position
of the laser beam clockwise or counter‑clockwise during
Scan Mode.
In Slope Mode, the arrow buttons are used to tilt the
•
laser head.
Turning the Laser On (Fig. B, E)
1. Insert the fully charged 20V battery pack as shown in
Figure E.
2. Gently press the power button
‑ The power LED indicator light
Self‑leveling mode is activated automatically and
‑
the laser unit will self‑level. Once the laser unit is
7
.
2
48
, Fig. E) on
5
. The selected axis is identified by
6 7
and ) to tilt the laser
6 7
and ) are used for different
1
to power ON the laser.
9
will illuminate
level, the beam will rotate once at 600 RPM in the
clockwise direction.
‑ After 10 sec., Hi Mode (anti‑ drift / bump alert)
is activated automatically and the Hi LED
2
.
will illuminate.
3. Press the speed/rotation button
again.
speed. The direction can be changed using buttons
7
and
4. Press the Scan button
45 °, or 90 ° degree mode.
If you turn ON Slope Mode, the Slope LED
X‑axis leveling, the X‑axis LED
leveling, the Y‑axis LED
Calibrating the Laser (Fig. O, P)
Field calibration checks should be done frequently. This section
provides instructions for performing simple field calibration
checks of your D
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 D
Level Calibration Check (X‑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. Mount the laser unit on the tripod so that the X‑axis points
directly toward one of the walls.
3. Turn the laser unit on and allow it to self‑level.
4. Mark and measure points A and B on the walls as shown in
Figure O.
5. Turn the entire laser unit 180º so the X‑axis points directly
toward the opposite wall.
6. Allow the laser unit to self‑level, and mark and measure
points AA and BB on the walls as shown in Figure P.
7. Calculate the total error using the equation:
8. Compare total error to the allowable limits shown in the
following table. If either error above is greater that the value
in the table below, the laser must be recalibrated.
Distance
Between Walls
40 ft.
50 ft.
70 ft.
100 ft.
Level Calibration Check (Y‑axis)
Repeat the procedure above, but with the laser unit positioned
so the Y‑axis is pointed directly toward the walls.
14
.
4
to set the laser to scan in 0 °, 15 °,
24
will light, or if using Y‑axis
25
will light instead.
WALT Rotary Laser. Field calibration checks do
e
Total Error = AA – A and BB– B
Allowable Error
DW074LR
3/32"
1/8"
5/32"
1/4"
8
3
to adjust the rotation
6
12
will light. If using
WALT service center.
e
Allowable Error
DW079LR/DW079LG
3/64"
1/16"
3/32"
1/8"