Installing And Removing The Battery Pack; Power Button - DeWalt DW074LR Instruction Manual

Tool Use and Care
Do not use the tool if the switch does not turn it on or
•
off. Any tool that cannot be controlled with the switch is
dangerous and must be repaired.
Store idle laser products out of the reach of children and
•
do not allow persons unfamiliar with the laser product
or these instructions to operate the laser product. Laser
products are dangerous in the hands of untrained users.
Use only accessories that are recommended by the
•
manufacturer for your model. Accessories that may be
suitable for one tool, may become hazardous when used with
another tool.
The RBRC® Seal
Please take your spent battery packs to an
authorized D WALT service center or to your
e
local retailer for recycling. In some areas,
it is illegal to place spent battery packs in
the trash. You may also contact your local recycling center
for information on where to drop off the spent battery pack.
Do not place in curbside recycling. For more information visit
www.call2recycle.org. or call the toll free number in the
RBRC® Seal.
RBRC® is a registered trademark of Call 2 Recycle, Inc.

Installing and Removing the Battery Pack

(Fig. E)
NOTE: For best results, make sure your battery pack is
fully charged.
To install the battery pack
the rails inside the laser's battery port and slide it in until the
battery pack is firmly seated in the laser and ensure that it does
not disengage.
To remove the battery pack from the laser, press the release
button and firmly pull the battery pack out of the battery port.
Insert it into the charger as described in the charger section of
this manual.
Operation
Operating Tips
• To extend battery life per charge, turn the laser off when it is
not in use.
• To ensure the accuracy of your work, check the laser
calibration often. Refer to Calibrating the Laser.
• 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.
15
, align the battery pack with
• 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.

WARNING: These are not ANSI Z87.1 eye protection.
• 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 D
the laser's rotation speed to the fastest setting.
• If the laser is dropped or has suffered a sharp blow, have the
calibration system checked by a qualified service center before
using the laser.
Control Panel (Fig. A, B)
The laser is primarily controlled by the power button
2
mode button , the speed/rotation button
4
mode button . These features are then modified when
used with either the Axis selection button
Slope mode only), or the two direction/elevation adjustment
6 7
buttons and .
The direction/elevation adjustment buttons control the
rotational direction of the laser head as well as adjust the
elevation of the beam when the unit is in slope mode. These
buttons can also be used to incrementally rotate the beam
when the unit is in Scan mode.
The buttons on the DW074LR control panel, DW079LR/
DW079LG control panel, and the DW079LR/DW079LG Remote
keypad all work the same, unless otherwise indicated.

Power Button

The Power button is used to turn the laser unit on and off.
• To power ON the DW074LR or DW079LR/LG laser unit,
press the Power button once.
• To completely power OFF the DW074LR or DW079LR/LG
laser unit, press the power button for 3 sec.
Speed/Rotation Button
The speed/rotation button
speed of the laser beam through its 4 preset speeds (150, 300,
600, and 1200 RPM).
Scan Mode Button
The scan mode button
back and forth, creating a short, bright laser line. This short line
is much brighter and more visible than when the unit is in full
rotation mode.
Using Scan Mode
• To enter Scan Mode, push and release the scan mode
4
button . To cycle through the scan angles, continue to
press the button until you reach the desired angle.
13
WALT Digital Laser Detector, set
e
3
and the scan
5
(DW079LR/LG in
3
is used to adjust the rotation
15˚/45˚/90˚
4
is used to make the laser head sweep
ENGLISH
1
, the