Fcc hearing-aid compatibility (hac), Regulations for wireless devices – Samsung SPH-M340DAACMU User Manual
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Should turn the phone OFF immediately if there is any
reason to suspect that interference is taking place;
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Should read and follow the directions from the
manufacturer of your implantable medical device. If you
have any questions about using your wireless phone with
such a device, consult your health care provider.
For more information see:
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 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.
M3 + M2 = 5
T3 + T2 = 5
Common Cents M340.book Page 83 Thursday, April 1, 2010 12:36 PM