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• Hold the wireless device to the ear opposite the medical device.
• Turn the wireless device off if there is any reason to suspect that interference is taking place.
• Follow the manufacturer directions for the implanted medical device.
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.
Product and safety information 81