Samsung Verizon Wireless SCH-u550 User Manual

Also see for SCH-U550: Manual Del Usuario

Contents

127The wireless telephone industry has developed a rating systemfor wireless phones, to assist hearing device users find phonesthat may be compatible with their hearing devices. Not all phoneshave been rated. Phones that are rated have the rating on theirbox or a label located on the box.The ratings are not guarantees. Results will vary depending onthe user's hearing device and hearing loss. If your hearing devicehappens to be vulnerable to interference, you may not be able touse a rated phone successfully. Trying out the phone with yourhearing device is the best way to evaluate it for your personalneeds.M-Ratings: Phones rated M3 or M4 meet FCC requirements andare likely to generate less interference to hearing devices thanphones that are not labeled. M4 is the better/higher of the tworatings.T-Ratings: Phones rated T3 or T4 meet FCC requirements and arelikely to generate less interference to hearing devices thanphones that are not labeled. T4 is the better/higher of the tworatings.Hearing devices may also be rated. Your hearing devicemanufacturer or hearing health professional may help you findthis rating. Higher ratings mean that the hearing device isrelatively immune to interference noise. The hearing aid andwireless phone rating values are then added together. A sum of 5is considered acceptable for normal use. A sum of 6 isconsidered for best use.In the above example, if a hearing aid meets the M2 level ratingand the wireless phone meets the M3 level rating, the sum of thetwo values equal M5. This is synonymous for T ratings. Thisshould provide the hearing aid user with "normal usage" whileusing their hearing aid with the particular wireless phone."Normal usage" in this context is defined as a signal quality thatis acceptable for normal operation.The M mark is intended to be synonymous with the U mark. TheT mark is intended to be synonymous with the UT mark. The Mand T marks are recommended by the Alliance forTelecommunications Industries Solutions (ATIS). The U and UTmarks are referenced in Section 20.19 of the FCC Rules.M3 + M2 = 5 T3 + T2 = 5