Contents
E
• Laser Information
• User Safety
• Battery Safety
• Powering the Laser
• Turning the Laser On
• Checking Laser Accuracy
• Using the Laser
• Maintenance
• Troubleshooting
• Service and Repairs
• Specifications
Laser Information
The DW0822LR and DW0822LG 2 Dot Cross Line lasers are
Class 2 laser products. The lasers are self-leveling laser tools
that can be used for horizontal (level) and vertical (plumb)
alignment projects.
User Safety
Safety Guidelines
The definitions below describe the level of severity for each
signal word. Please read the manual and pay attention to these
symbols.
DANGER: Indicates an imminently hazardous
situation which, if not avoided, will result in death or
serious injury.
WARNING: Indicates a potentially hazardous
situation which, if not avoided, could result in death or
serious injury.
CAUTION: Indicates a potentially hazardous situation
which, if not avoided, may result in minor or moderate
injury.
NOTICE: Indicates a practice not related to personal injury
which, if not avoided, may result in property damage.
If you have any questions or comments about this or any
DeWALT
tool, go to http://www.dewalt.com.
6
All manuals and user guides at all-guides.com
The label on your laser may include the following symbols.
Warning Labels
For your convenience and safety, the following labels are
on your laser.
WARNING:
Read and understand all instructions. Failure to
follow the warnings and instructions in this manual
may result in electric shock, fire, and/or serious
personal injury.
SAVE THESE INSTRUCTIONS
WARNING:
Laser Radiation Exposure. Do not disassemble
or modify the laser level. There are no user
serviceable parts inside. Serious eye injury could
result.
WARNING:
Hazardous Radiation. Use of controls or
adjustments, or performance of procedures, other
than those specified herein may result in hazardous
radiation exposure.
Symbol
Meaning
V
Volts
mW
Milliwatts
Laser Warning
nm
Wavelength in nanometers
2
Class 2 Laser
WARNING: To reduce the risk of injury, user
must read instruction manual.
WARNING: LASER RADIATION. DO NOT
STARE INTO BEAM. Class 2 Laser Product