LG Electronics USA MS840 LG Smart Phone User Manual

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Document ID	1564213
Application ID	P5LspJ/lOJdrRrfrlyJwIA==
Document Description	Manual 2
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	350.67kB (4383328 bits)
Date Submitted	2011-10-20 00:00:00
Date Available	2012-03-08 00:00:00
Creation Date	2011-10-07 14:00:40
Producing Software	Acrobat Distiller 8.1.0 (Windows)
Document Lastmod	2011-10-07 14:00:40
Document Title	untitled

FCC Hearing-Aid Compatibility (HAC)
Regulations for Wireless Devices
On July 10, 2003, the U.S. Federal Communications Commission
(FCC) Report and Order in WT Docket 01-309 modified the
exception of wireless phones under the Hearing Aid Compatibility
Act of 1988 (HAC Act) to require digital wireless phones be
compatible with hearing-aids. The intent of the HAC Act is to
ensure reasonable access to telecommunications services for
persons with hearing disabilities.
While some wireless phones are used near some hearing devices
(hearing aids and cochlear implants), users may detect a buzzing,
humming, or whining noise. Some hearing devices are more
immune than others to this interference noise, and phones also
vary in the amount of interference they generate.
The wireless telephone industry has developed a rating system for
wireless phones, to assist hearing device users to find phones that
may be compatible with their hearing devices. Not all phones have
been rated. Phones that are rated have the rating on their box or a
label located on the box.
The ratings are not guarantees. Results will vary depending on the
user's hearing device and hearing loss. If your hearing device
happens to be vulnerable to interference, you may not be able to
use a rated phone successfully. Trying out the phone with your
hearing device is the best way to evaluate it for your personal
needs.
M-Ratings: Phones rated M3 or M4 meet FCC requirements and
are likely to generate less interference to hearing devices than
phones that are not labeled. M4 is the better/higher of the two
ratings.
T-Ratings: Phones rated T3 or T4 meet FCC requirements and are
likely to generate less interference to hearing devices than phones
that are not labeled. T4 is the better/ higher of the two ratings.
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 example to the left, 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’s 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.
When you're talking on a cell phone, it's recommended that you
turn the BT (Bluetooth) mode off for HAC.
For information about hearing aids and digital wireless phones
Wireless Phones and Hearing Aid Accessibility
http://www.accesswireless.org/hearingaid/
FCC Hearing Aid Compatibility and Volume Control
http://www.fcc.gov/cgb/consumerfacts/hac_wireless.html

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