Samsung GT-S3830U User Manual

26safety and usage informationphone successfully. Trying out the phone with yourhearing device is the best way to evaluate it for yourpersonal needs.M-Ratings: Phones rated M3 or M4 meet FCCrequirements and are likely togenerate less interference to hearing devices thanphones that are not labeled. M4 isthe better/higher of the two ratings.T-Ratings: Phones rated T3 or T4 meet FCCrequirements and are likely to be more usable with ahearing device°Øs telecoil (°×T Switch°± or°×Telephone Switch°±) than unrated phones. T4 isthe better/higher of the two ratings. (Note that not allhearing devices have telecoils in them.)Hearingdevices may also be measured for immunity to thistype of interference. Your hearing devicemanufacturer or hearing health professional mayhelp you find results for your hearing device. Themore immune your hearing aid is, the less likely youare to experience interference noise from mobilephones.Other Medical DevicesIf you use any other personal medical devices,consult the manufacturer of your device to determineif it is adequately shielded from external RF energy.Your physician may be able to assist you in obtainingthis information. Switch your phone off in health carefacilities when any regulations posted in these areasinstruct you to do so. Hospitals or health carefacilities may be using equipment that could besensitive to external RF energy.