Nokia 5170 User Manual

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Persons with pacemakers:
Should always keep the phone more than 6 inches (20 cm) from 
their pacemaker when the phone is switched on;
Should not carry the phone in a breast pocket;
Should use the ear opposite the pacemaker to minimize the 
potential for interference.
If you have any reason to suspect that interference is taking 
place, switch off your phone immediately.
Hearing aids
Some digital wireless phones may interfere with some hearing aids. 
In the event of such interference, you may want to consult your 
service provider.
Other medical devices
Operation of any radio transmitting equipment, including cellular 
phones, may interfere with the functionality of inadequately 
protected medical devices. Consult a physician or the manufacturer 
of the medical device to determine if they are adequately shielded 
from external RF energy or if you have any questions. Switch off your 
phone in health care facilities when any 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
RF signals may affect improperly installed or inadequately shielded 
electronic systems in motor vehicles (e.g. electronic fuel injection 
systems, electronic anti-skid (anti-lock) braking systems, electronic 
speed control systems, air bag systems). Check with the 
manufacturer or its representative regarding your vehicle. You should 
also consult the manufacturer of any equipment that has been added 
to your vehicle.
Posted facilities
Switch your phone off in any facility where posted notices so require.
Potentially explosive atmospheres
Switch off your phone when in any area with a potentially explosive 
atmosphere and obey all signs and instructions. Sparks in such areas 
could cause an explosion or fire resulting in bodily injury or even death.
Users are advised to switch off the phone while at a refueling point 
(service station). Users are reminded of the need to observe 
restrictions on the use of radio equipment in fuel depots (fuel 
storage and distribution areas), chemical plants or where blasting 
operations are in progress.