LG 510 Owner's Manual page 73

while using their hearing aid with the
particular wireless phone. "Normal
usage" in this context is defined as a
signal quality that is 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 ensure that the Hearing
Aid Compatibility rating for your
phone is maintained, secondary
transmitters such as Bluetooth
and WLAN components must be
disabled during a call. See Page 31
for instructions to disable these
components.
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