Pantech HERO Cell phone - Manual (Page 145)

FCC HEARING-AID COMPATIBILITY
(HAC) REGULATIONS FOR
WIRELESS DEVICES
SAFETY AND WARRANTY
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 20.19 of the FCC Rules. The HAC rating and measurement
procedure are described in the American National Standards
Institute (ANSI) C63.19 standard.
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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/
FCC-03-168A1.pdf