Electromagnetic Interference - NEC 515 Manual

Electromagnetic Interference

Most modern electronic equipment is shielded from radio frequency (RF) signals; however, certain electronic equipment may not be
shielded against the RF signals from your wireless phone.
Pacemakers
The Health Industry Manufacturers Association recommends a minimum separation of six inches (or 15 cm) be maintained between a
handheld wireless phone and a pacemaker. These recommendations are consistent with the independent research and
recommendations by Wireless Technology Research. Persons with cardiac pacemakers:
Should ALWAYS keep the phone more than six inches from their pacemaker when the phone is turned On.
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Should not carry the phone in a breast pocket.
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Should place the phone to the ear opposite the pacemaker to minimize the potential for interference.
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If you have any reason to suspect RF interference, turn Off your phone immediately and remove the battery.
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Whether the phone vibrates, plays a ring tune, or the volume buttons increase/decrease the ring sound, a received call to a wireless
phone may interfere with a cardiac pacemaker.
Hearing Aids
Digital wireless phones may interfere with some hearing aids. In the event of such interference, you may want to consult your wireless
service provider.
Other Medical Devices and Medical Facilities
Operation of wireless phones could interfere with medical devices or implanted equipment which are inadequately shielded from
external RF energy. Consult a physician or the manufacturer of the medical device to determine if such devices are adequately shielded.
Turn Off your phone in health care facilities, if regulations posted in these areas instruct you to do so. Hospitals or health care facilities
may be using equipment that could be sensitive to external RF energy
Vehicles
Electronic vehicle systems, such as anti-lock brakes, speed control and fuel injection systems are not normally affected by radio
transmissions. RF signals may affect improperly installed or inadequately shielded electronic systems in motor vehicles. The
manufacturer of such equipment can advise if it is adequately shielded from radio transmissions. If you suspect vehicle problems
caused by radio transmissions, consult vehicle manufacturer or its representative regarding your vehicle and do not turn On your phone
until it has been checked by qualified approved installers. You should consult the manufacturer of any equipment that has been added
to your vehicle.
Posted Facilities
Turn Off your phone in any facility where posted notices require you to do so.
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