Nokia 3600 User Manual

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Reference information
19
Should always keep the phone more than 20 cm (8 inches) 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 it is 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.