Samsung Galaxy S 5 Important Information Manual page 16

compatible with their hearing devices. Not
all mobile devices have been rated. Mobile
devices that are rated have the rating on
their box or a label located on the box.
The ratings are not guarantees. Results
will vary depending on the user's hearing
device and hearing loss. If your hearing
device happens to be vulnerable to
interference, you may not be able to use a
rated mobile device successfully. Trying
out the mobile device with your hearing
device is the best way to evaluate it for your
personal needs.
16 Important Health, Safety and Warranty Information
M-Ratings: Wireless mobile devices rated
M3 or M4 meet FCC requirements and
are likely to generate less interference to
hearing devices than mobile devices that
are not labeled. M4 is the better/higher of
the two ratings. M-ratings refer to enabling
acoustic coupling with hearing aids that do
not operate in telecoil mode.
T-Ratings: Mobile devices rated T3 or T4
meet FCC requirements and are likely
to generate less interference to hearing
devices than mobile devices that are not
labeled. T4 is the better/higher of the two
ratings. T-ratings refer to enabling inductive
coupling with hearing aids operating in
telecoil mode.