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DeWalt DW074 Manual

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ENGLISH
29
OPERATION
WARNING: Always observe the safety
instructions and applicable regulations.
• To extend battery life, remove batteries when
the laser is not in use.
• To ensure the accuracy of your work, check
the laser calibration often. Refer to Field
Callibration Check under Laser Maintenance.
• Before attempting to use the laser, make sure
the tool is positioned on a relatively smooth,
secure surface.
• Always mark the center of the laser line or
dot. If you mark different parts of the beam at
different times you will introduce error into your
measurements.
• To increase working distance and accuracy, set
up the laser in the middle of your working area.
• When attaching to a tripod or wall, mount the
laser securely.
• When working indoors, a slow rotary head
speed will produce a visibly brighter line; a faster
rotary head speed will produce a visibly
solid line.
• To increase beam visibility, wear Laser
Enhancement Glass es and/or use a Laser
Target Card to help find the beam.
• Extreme temperature changes can cause
movement or shifting of building structures,
metal tripods, equipment, etc., which can affect
accuracy. Check your accuracy often while
working.
• When working with the DEWALT Digital Laser
Detector, set the laser’s rotation speed to the
fastest setting.
• If the laser is dropped or suffers a sharp blow,
have the calibration system checked by a
qualified service centre before using the laser.
Laser Control Panel (fi g. 1)
The laser is controlled by the power button (e), the
speed/rotation button (h) and the standby button (i).
The four arrow buttons (j, k) are used to adjust the
bubble vial in vertical mode. The two LED indicator
lights are used to indicate power/low battery (g) and
standby mode (f).
POWERING ON
Be sure that the batteries are properly installed and
the battery door is securely closed.
CAUTION: The laser will operate even
if battery door is not fully latched. To
secure the batteries, always ensure
battery door is closed and latched.
TURNING THE LASER ON IN HORIZONTAL MODE
(SELF-LEVELING) (FIG. 1)
1. Gently press the power button (e) to power the
laser on. The power LED indicator light (g) will
illuminate.
2. The unit will automatically self-level.
3. When the unit is finished leveling, the laser
beam will turn on and the rotor will operate at
the most recent speed setting.
4. Press the speed/rotation button (h) to select a
different rotation speed if desired.
NOTE: The power LED indicator light (g) is used to
indicate on (steady) and low battery (flashing).
NOTE: The head will begin or resume rotation once
the laser is level.
TURNING THE LASER ON IN VERTICAL MODE
(MANUAL LEVELING)
1. Gently press the power button (e) to power the
laser on. The power LED indicator light (g) will
illuminate and the standby mode LED (f) will
begin to flash.
NOTE: The unit automatically enters Standby
Mode when put in Vertical Mode.
2. Manually level the unit using the four arrow
buttons (j, k).
3. Gently press the standby button (i) or speed/
rotation button (h) to disengage Standby Mode.
4. Press the speed/rotation button (h) to select the
desired rotation speed.
LEVELING THE LASER IN VERTICAL MODE
1. Gently press the standby button (i) to engage
Standby Mode.
CAUTION: To reduce the risk of direct
eye exposure to the laser beam, always
engage Standby Mode before viewing
the bubble vial.
2. View the position of the bubble vial by sighting
straight down from above the unit.
NOTE: Viewing the bubble from any angle other
than straight down will result in an inaccurate
reading.
3. Center the bubble exactly midpoint between the
hatchmarks on the vial. The bubble is adjusted
by pressing the up and down arrow buttons
(j, k). The single arrow buttons move the bubble
slowly; the double arrow buttons allow fast
adjustment of the bubble.
4. Gently press the standby button (i) or speed/
rotation button (h) to disengage Standby Mode.
… 31 …


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