LG VX8575 User Guide - Page 147

Industries Solutions ATIS. The U

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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 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 Ònormal usageÓ while using their hearing aid with the particular wireless phone. ÒNormal usageÓ 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. To enter that the Hearing Aid Compatibility rating for your phone is maintained, secondary transmitters such as Bluetooth and WLAN(this phone does not have WLAN) components must be disabled during a call. See Page 95 for instructions to disable these components. 145

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145
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 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
Ònormal usageÓ while using their
hearing aid with the particular
wireless phone. ÒNormal usageÓ 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.
To enter that the Hearing Aid
Compatibility rating for your phone
is maintained, secondary
transmitters such as Bluetooth and
WLAN(this phone does not have
WLAN) components must be
disabled during a call. See Page 95
for instructions to disable these
components.
M
3
+
M
2
=
5
T
3
+
T
2
=
5