Zte S217 User Manual page 7

 Use hands-free function of the phone, if available.
 Pull off the road and park before making or answering a call if
conditions require.
Precautions for Medical Devices and Facilities
 When using your phone near pacemakers, please always keep
the phone more than eight inches (about twenty centimeters)
from the pacemaker when the phone is switched on. Do not
carry the phone in the breast pocket. Use the ear opposite the
pacemaker to minimize the potential for interference. Switch
off the phone immediately if necessary.
 Some phones may interfere with some hearing aids. In the
event of such interference, you may consult your hearing aids
manufacturer to discuss alternatives.
 If you use any other personal medical device, please consult
the manufacturer of your device to determine if it is adequately
shielded from RF energy.
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