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Health and Safety Information 134
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.
Other Medical Devices
If you use any other personal medical
devices, consult the manufacturer of
your device to determine if it is
adequately shielded from external RF
energy. Your physician may be able to
assist you in obtaining this information.
Switch your phone off in health care
facilities when any regulations posted in
these areas instruct you to do so.
Hospitals or health care facilities may be
using equipment that could be sensitive
to external RF energy.
Vehicles
RF signals may affect improperly
installed or inadequately shielded
u320.book Page 134 Friday, April 9, 2010 4:44 PM