Hearing devices may also be rated. Your hearing device manufacturer or hearing health professional may help you find this rating. Higher ratings mean that the hearing device is relatively immune to interference noise. The hearing aid and wireless phone rating values are then added together. A sum of 5 is considered acceptable for normal use. A sum of 6 is considered for best use.
In the above example, if a hearing aid meets the M2 level rating and the wireless phone meets the M3 level rating, the sum of the two values equal M5. This should provide the hearing aid user with “normal usage” while using their hearing aid with the particular wireless phone. “Normal usage” in this context is defined as a signal quality that is acceptable for normal operation.
The M mark is intended to be synonymous with the U mark. The T mark is intended to be synonymous with the UT mark. The M and T marks are recommended by the
Alliance for Telecommunications Industries Solutions (ATIS). The U and UT marks are referenced in Section
20.19of the FCC Rules. The HAC rating and measurement procedure are described in the American National Standards Institute (ANSI) C63.19 standard.
RECYCLE YOUR CELL PHONE!
Carriers marketing this cell phone have an
To mail in your old wireless device to UTStarcom Personal Communications for recycling purposes, simply
For information about hearing aids and digital wireless phone:
FCC Hearing Aid Compatibility and Volume Control http://www.fcc.gov/cgb/dro/hearing.html
Gallaudet University, RERC http://tap.gallaudet.edu/DigWireless.KS/DigWireless.htm Self Help for Hard of Hearing People Inc. [SHHH] www.hearingloss.org/hat/TipsWirelessPhones.htm The Hearing Aid Compatibility FCC Order http://hraunfoss.fcc.gov/edocs_public/attachmatch/
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