device when regulations posted instruct
you to do so. Hospitals or health care
facilities may use equipment sensitive to
external RF energy.
Implanted medical devices
Manufacturers of medical devices
recommend a minimum separation of
15.3 centimeters (6 inches) between a
wireless device and an implanted medical
device, such as a pacemaker or implanted
cardioverter defibrillator, to avoid
potential interference with the medical
device. Persons who have such devices
• Always keep the wireless device more
than 15.3 centimeters (6 inches) from
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
Some digital wireless devices may
interfere with some hearing aids.
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
Only qualified personnel should service
the device. Faulty service may be
dangerous and may invalidate your
warranty. Do not store or carry
flammable liquids, gases, or explosive