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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 for hearing
aid compatibility and are likely to
generate less interference to hearing
devices than unrated phones. (M4 is
the better/higher of the two ratings.)
T-Ratings: Phones rated T3 or T4
meet FCC requirements and are likely
to be more usable with a hearing
device's telecoil ("T Switch" or
"Telephone Switch") than unrated
phones. (T4 is the better/higher of the
two ratings. Note that not all hearing
devices have telecoils in them.)
Note: This phone has been tested
and rated for use with hearing aids
for some of the wireless
technologies that it uses. However,
there may be some newer wireless
technologies used in this phone that
have not been tested yet for use
with hearing aids. It is important to
try the different features of this
phone thoroughly and in different
locations, using your hearing aid or
cochlear implant, to determine if you
hear any interfering noise. Consult
your service provider or the
manufacturer of this phone for
104
information on hearing aid
compatibility. If you have questions
about return or exchange policies,
consult your service provider or
phone retailer.
Hearing aid devices may also be
measured for immunity to interference
noise from wireless phones and
should have ratings similar to phones.
Ask your hearing healthcare
professional for the rating of your
hearing aid. Add the rating of your
hearing aid and your phone to
determine probable usability:
● Any combined rating equal to or
greater than six offers excellent
use.
● Any combined rating equal to five
is considered normal use.
● Any combined rating equal to four
is considered usable.
Thus, if you pair an M3 hearing aid
with an M3 phone, you will have a
combined rating of six for "excellent
use." This is synonymous for T ratings.
More information about hearing aid
compatibility may be found at:
www.fcc.gov, www.fda.gov, and
www.accesswireless.org.
User Guide
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