User's Manual

Table Of Contents
32
it for your personal needs.
M-Ratings: Phones rated M4 meet FCC requirements and are
likely to generate less interference to
hearing devices than phones that are not rated. M4 is the
better/higherofthetworatings. This Phones rated T4 meet
FCC requirements
and are likely to be more usable with a hearing aids
telecoil than phones that are not rated.
r hearing aid compatibility with respect to the Wi-Fi
capability. Please power off the Bluetooth function while
devices may also be rated. Your hearing device
manufacturer 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 better use. A sum
of 8 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