User's Manual

Table Of Contents
Health and Safety Information 14
Under the current industry standard, American
National Standards Institute (ANSI) C63.19, the
hearing aid and wireless mobile device rating
values are added together to indicate how
usable they are together. For example, if a
hearing aid meets the M2 level rating and the
wireless mobile device meets the M3 level
rating, the sum of the two values equals M5.
Under the standard, this should provide the
hearing aid user with normal use while using
the hearing aid with the particular wireless
mobile device. A sum of 6 or more would
indicate excellent performance.
However, these are not guarantees that all
users will be satisfied. T ratings work similarly.
The HAC rating and measurement procedure
are described in the American National
Standards Institute (ANSI) C63.19 standard.
HAC for Newer Technologies
This phone has been tested and rated for use
with hearing aids for some of the wireless
technologies that it uses. However, there may
M3 + M2 = 5
T3 + T2 = 5