182 Appendix

Hearing Aids

Some digital wireless phones may interfere with some hearing aids. In the event of such interference, you may want to consult your service provider, or call the customer service line to discuss alternatives.

Other Medical Devices

If you use any other personal medical device, consult the manufacturer of your device to determine if they are adequately shielded from external RF energy. Your physician may be able to assist you in obtaining this information.

Turn your phone OFF in health care facilities when any regulations posted in these areas instruct you to do so. Hospitals or health care facilities may be using equipment that could be sensitive to external RF energy.

Other tips and cautions

Avoid using your phone near metal structures (for example, the steel frame of a building).

Avoid using your phone near strong electromagnetic sources, such as microwave ovens, sound speakers, TV and radio.

Avoid using your phone after a dramatic change in temperature.

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HTC WING220 user manual Hearing Aids, Other Medical Devices, Other tips and cautions