Ericsson R520 - Manual (Page 132)

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132 Safe and Efficient Use
Most modern electronic equipment, for example equipment in
hospitals and cars, is shielded from RF energy. However, certain
electronic equipment is not, therefore:
• Do not use your mobile phone near medical equipment without
requesting permission.
Mobile phones may affect the operation of some implanted cardiac
pacemakers and other medically implanted equipment. Pacemaker
patients should be aware that the use of a mobile phone very close
to a pacemaker might cause the device to malfunction. Avoid placing
the mobile phone over the pacemaker, e.g. in your breast pocket.
When using the mobile phone, place it at the ear opposite the
pacemaker. If a minimum distance of 15 cm is kept between the
mobile phone and the pacemaker, the risk of interference is limited.
If you have any reason to suspect that interference is taking place,
immediately turn off your mobile phone.
Contact your cardiologist for more information.
Some hearing aids might be disturbed by mobile phones. In the event
of such disturbance, you may want to contact your local Call Centre
to discuss alternatives.
• Turn off your mobile phone before boarding any aircraft.
To prevent interference with communication systems, you must
not use your mobile phone while the plane is in the air.
• Do not use it on the ground without permission from the crew.
Turn off your mobile phone when in a blasting area or in areas posted
“turn off two-way radio” to avoid interfering with blasting operations.
Construction crews often use remote control RF devices to set off
explosives.
Turn off your mobile phone when in any area with a potentially
explosive atmosphere. It is rare, but your mobile phone or its
accessories could generate sparks. Sparks in such areas could
cause an explosion or fire resulting in bodily injury or even death.
Electronic Devices
Aircraft
Blasting Areas
Explosive Atmospheres