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• Do not operate the laser in explosive atmospheres,
E
such as in the presence of flammable liquids, gases,
or dust. This tool may create sparks which may ignite the
dust or fumes.
• Store an idle laser out of reach of children and other
untrained persons. Lasers are dangerous in the hands of
untrained users.
• Tool service MUST be performed by qualified repair
personnel. Service or maintenance performed by unqualified
personnel may result in injury. To locate your nearest Stanley
service center go to http://www.2helpU.com.
• Do not use optical tools such as a telescope or transit to
view the laser beam. Serious eye injury could result.
• Do not place the laser in a position which may cause
anyone to intentionally or unintentionally stare into the
laser beam. Serious eye injury could result.
• Do not position the laser near a reflective surface which
may reflect the laser beam toward anyone's eyes. Serious
eye injury could result.
• Turn the laser off when it is not in use. Leaving the laser
on increases the risk of staring into the laser beam.
• Do not modify the laser in any way. Modifying the tool may
result in hazardous laser radiation exposure.
• Do not operate the laser around children or allow
children to operate the laser. Serious eye injury may result.
• Do not remove or deface warning labels. If labels are
removed, the user or others may inadvertently expose
themselves to radiation.
• Position the laser securely on a level surface. If the laser
falls, damage to the laser or serious injury could result.
Personal Safety
• Stay alert, watch what you are doing, and use common sense
when operating the laser. Do not use the laser when you are
tired or under the influence of drugs, alcohol, or medication.
A moment of inattention while operating the laser may result
in serious personal injury.
• Use personal protective equipment. Always wear eye
protection. Depending on the work conditions, wearing
protective equipment such as a dust mask, non-skid safety
shoes, hard hat, and hearing protection will reduce personal
injury.
10
Tool Use and Care
• Do not use the laser if the Power/Transport Lock switch
does not turn the laser on or off. Any tool that cannot be
controlled with the switch is dangerous and must be repaired.
• Follow instructions in the Maintenance section of this
manual. Use of unauthorized parts or failure to follow
Maintenance instructions may create a risk of electric shock
or injury.
Battery Safety
WARNING:
Batteries can explode, or leak, and can cause
injury or fire. To reduce this risk:
• Carefully follow all instructions and warnings on the battery
label and package.
• Always insert batteries correctly with regard to polarity
(+ and –), as marked on the battery and the equipment.
• Do not short battery terminals.
• Do not charge disposable batteries.
• Do not mix old and new batteries. Replace all batteries at the
same time with new batteries of the same brand and type.
• Remove dead batteries immediately and dispose of per
local codes.
• Do not dispose of batteries in fire.
• Keep batteries out of reach of children.
• Remove batteries when the device is not in use.
Installing AA Batteries
Load new AA batteries in the STHT77498 or STHT77499 laser.
1.
Turn the laser upside down.
2.
On the bottom of the laser, lift up the latch to open the battery
compartment cover (Figure
B 1
3.
Insert two new, high-quality, name brand AA batteries, making
sure to position the - and + ends of each battery as noted
inside the battery compartment (Figure
4.
Push the battery compartment cover closed until it snaps in
place (Figure
).
B 3
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B 2
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2.
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4.
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