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7
Getting Started
Read all the information in this section
before you use your handset.
Handset information
Ensure that the adapter voltage is the
same as the electrical outlet voltage.
The 743X/744X handset uses radio
signals and does not guarantee a
connection in all circumstances. Do
not rely on a cordless handset to
make emergency calls.
Never use your handset:
• in the vicinity of electrical
detonators
• in shielded rooms
• in areas where radio transmission is
forbidden
• in aircraft
Do not place a handset near:
• water, moisture or damp areas
• heat sources, direct sunlight or
unventilated areas
• devices which generate strong
magnetic fields such as electrical
appliances, fluorescent lamps,
computers, radios, televisions or
fax machines
• areas where the handset can be
covered, its ventilation impaired,
liquid spilled on the unit or objects
inserted into the handset through
any openings.