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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 enhancements. Remember that air bags inflate with great force. Do
not place your device or enhancements 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.
Ad dition al s a fe ty inform ation
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