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• If you have any reason to suspect that interference is taking place, turn off
your phone immediately.
Hearing aid
s
—Some digital wireless phones may interfere with hearing aids. In
the event of such interference, you may want to consult Alltel or call the customer
service line to discuss alternatives.
Other medical devices—If you use any other personal medical device, consult
the manufacturer of the device to determine if it is adequately shielded from
external RF energy. Your physician may be able to help you obtain this
information.
In health care facilities—Turn your phone off in health care facilities when
instructed. Hospitals and health care facilities may be using equipment that is
sensitive to external RF energy.
Potentially unsafe areas
Posted facilities—Turn your phone off in any facility when posted notices require
you to do so.
Aircraft—FCC regulations prohibit using your phone on a plane that is in the air.
Turn your phone off before boarding aircraft.
Vehicles—RF signals may affect improperly installed or inadequately shielded
electronic systems in motor vehicles. Check with the manufacturer of the device