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For Your Safety
To reduce the risk of injury, loss of life, electric shock,
fire, malfunction, and damage to equipment or property,
always observe the following safety precautions.
Explanation of symbols
The following symbols are used to classify and describe
the level of hazard and injury caused when the
denotation is disregarded and improper use is
performed.
WARNING
Denotes a potential hazard that could result in
serious injury or death.
CAUTION
Denotes a hazard that could result in minor injury or
damage to the unit or other equipment.
The following symbols are used to classify and describe
the type of instructions to be observed.
This symbol is used to alert users to a specific
operating procedure that must not be
performed.
This symbol is used to alert users to a specific
operating procedure that must be followed in
order to operate the unit safely.
WARNING
General Safety
Do not disassemble this unit. Dangerous
electrical shock could result. The unit must
only be disassembled and repaired by
qualified service technicians.
Never attempt to insert wires, pins, etc. into
the vents or other holes of this unit.
To prevent possible fire or electric shock, do
not expose this unit to rain or moisture.
Do not splash water on the AC adaptor or the
power cord, nor get them wet.
Doing so can result in fire, electric shock, or
injury. If they do get wet, immediately
disconnect the AC adaptor and power cord,
and contact an authorized service center.
Do not touch the AC adaptor for extended
periods of time. Doing so can lead to
low-degree burns.
Unplug this unit from the AC outlet and have
the unit serviced by qualified service
personnel in the following cases:
A. When the power supply cord or plug is
damaged or frayed.
B. If liquid has been spilled on the unit.
C. If the unit has been exposed to rain or
water.
D. If the unit does not work normally by
following the manual. Adjust only controls
covered by the manual. Improper
adjustment may require repair by an
authorized service center.
E. If the unit has been dropped, or damaged.
F. If the unit’s performance deteriorates.
If damage to the unit exposes any internal
parts, immediately disconnect the cable or
cord. If the power is supplied from the network
to the SIP Phone [Power-over-Ethernet],
disconnect the Ethernet cables. Otherwise,
disconnect the AC adaptor cord. Then return
this unit to a service center.
This handset earpiece is magnetized and may
retain small ferrous objects.
The use of excessive sound volume through
earphones, headphones, or headsets may
cause hearing loss.
Document Version 2011-06 Operating Instructions 5
For Your Safety