LG myTouchQ Guia Del Usuario página 160

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) C3.19 standard.
To enter 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 118 for instructions to disable these
components.
For information
about hearing aids and digital wireless phones
Wireless Phones and Hearing Aid Accessibility
http://www.accesswireless.org/
FCC Hearing Aid Compatibility and Volume Control
http://www.fcc.gov/cgb/consumerfacts/hac_wireless. html
10 MyTouchQ | User Guide