SMT-W6100 User Guide148Hearing AidsSome digital wireless phones including Wi-Fi phone may interfere with some hearing aids. In theevent of such interference, you may wish to consult your hearing aid manufacturer to discussalternatives.Other Medical DevicesIf you use any other personal medical devices, consult the manufacturer of your device todetermine if it is adequately shielded from external RF energy. Your physician may be able toassist you in obtaining this information. Switch off your phone in health care facilities when anyregulations posted in these areas instruct you to do so. Hospitals or health care facilities may beusing equipment that could be sensitive to external RF energy.Posted FacilitiesSwitch off your phone in any facility where posted notices require you to do so.