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Safety
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 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’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 over the cell phone, it's recommended you'd turn the
BT (Bluetooth) mode off for HAC.
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.