Nokia 6720 classic

Page 82
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Additional safety information 
If you have any questions about using your wireless device 
with an implanted medical device, consult your health care 
provider. 
Hearing aids
Some digital wireless devices may interfere with some 
hearing aids. 
Vehicles 
RF signals may affect improperly installed or inadequately 
shielded electronic systems in motor vehicles such as 
electronic fuel injection, electronic antilock braking, 
electronic speed control, and air bag systems. For more 
information, check with the manufacturer of your vehicle or 
its equipment. 
Only qualified personnel should service the device or install 
the device in a vehicle. Faulty installation or service may be 
dangerous and may invalidate your warranty. Check regularly 
that all wireless device equipment in your vehicle is mounted 
and operating properly. Do not store or carry flammable 
liquids, gases, or explosive materials in the same 
compartment as the device, its parts, or accessories. 
Remember that air bags inflate with great force. Do not place 
your device or accessories in the air bag deployment area. 
Switch off your device before boarding an aircraft. The use of 
wireless teledevices in an aircraft may be dangerous to the 
operation of the aircraft and may be illegal. 
Potentially explosive environments 
Switch off your device in any area with a potentially explosive 
atmosphere. Obey all posted instructions. Sparks in such 
areas could cause an explosion or fire resulting in bodily 
injury or death. Switch off the device at refuelling points such 
as near gas pumps at service stations. Observe restrictions in 
fuel depots, storage, and distribution areas; chemical plants; 
or where blasting operations are in progress. Areas with a 
potentially explosive atmosphere are often, but not always,
clearly marked. They include areas where you would be 
advised to turn off your vehicle engine, below deck on boats, 
chemical transfer or storage facilities and where the air 
contains chemicals or particles such as grain, dust, or metal 
powders. You should check with the manufacturers of 
vehicles using liquefied petroleum gas (such as propane or 
butane) to determine if this device can be safely used in their 
vicinity. 
Emergency calls 
Important:  This device operates using radio signals, 
wireless networks, landline networks, and user-programmed 
functions. If your device supports voice calls over the internet 
(internet calls), activate both the internet calls and the 
cellular phone. The device may attempt to make emergency 
calls over both the cellular networks and through your 
internet call provider if both are activated. Connections in all 
conditions cannot be guaranteed. You should never rely 
solely on any wireless device for essential communications 
like medical emergencies. 
© 2009 Nokia. All rights reserved. 
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