Stanley STHT77498 - Page 8

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Contents
• Laser Information
• User Safety
• Battery Safety
• Installing AA Batteries
• Turning the Laser On
• Checking Laser Accuracy
• Using the Laser
• Maintenance
• Troubleshooting
• Service and Repairs
• Specications
Laser Information
The STHT77498 and STHT77499 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 denitions 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
STANLEY
®
tool, go to http://www.STANLEY.com.
WARNING:
Read and understand all instructions. Failure to
follow the warnings and instructions in this manual
may result in 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 specied herein may result in hazardous
radiation exposure.
The label on your laser may include the following symbols.
Symbol Meaning
V Volts
mW Milliwatts
Laser Warning
nm Wavelength in nanometers
2 Class 2 Laser
Warning Labels
For your convenience and safety, the following labels are
on your 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.
SER.____________
TYPE 1
Complies with 21
CFR 1040,10 and
1040,11 except for
deviations
pursuant to Laser
Notice No. 50,
dated June 24,
2007
3V DC
LASER
2
≤1.5mW @630-680nm
IEC 60825-1: 2014
MADE IN CHINA
STHT77498
www.stanleylasers.com
www.stanleytools.com
SER.____________
TYPE 1
Complies with 21
CFR 1040,10 and
1040,11 except for
deviations
pursuant to Laser
Notice No. 50,
dated June 24,
2007
3V DC
MADE IN CHINA
STHT77499
www.stanleylasers.com
www.stanleytools.com
LASER
2
≤1.5mW @510-530nm
IEC 60825-1: 2014