Zte Z971 User Manual page 144

wireless telephone industry has developed a rating system for
wireless phones to assist hearing device users in finding 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.
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
information on hearing aid compatibility. If you have questions
about return or exchange policies, consult your service provider
or phone retailer.
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 be more usable with a hearing device's telecoil ("T
Switch" or "Telephone Switch") than unrated phones. T4 is the
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