LG Electronics 355 Usage while using their hearing aid with, Acceptable for normal operation

SAFETY

	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.
SAF	The M mark is intended to be synonymous with the
ET	U mark. The T mark is intended to be synonymous
Y	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.

When you're talking over the cell phone, it's recommended you'd turn the Bluetooth mode off for HAC.

For information about hearing aids and digital wireless phones

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

HLAA (Hearing Loss Association of America)

http://www.hearingloss.org/learn/cellphonetech.asp

The Hearing Aid Compatibility FCC Order

http://hraunfoss.fcc.gov/edocs_public/attachmatc h/FCC-03-168A1.pdf

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