User manual

Health and Safety Information 132
While some wireless phones are used
near some hearing devices (hearing aids
and cochlear implants), users may
detect a buzzing, humming, or whining
noise. Some hearing devices are more
immune than others to this interference
noise, and phones also vary in the
amount of interference they generate.
The wireless telephone industry has
developed a rating system for wireless
phones, to assist hearing device users
find phones that may be compatible with
their hearing devices. Not all phones
have been rated. Phones 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 phone successfully. Trying
out the phone with your hearing device
is the best way to evaluate it for your
personal needs.
M-Ratings : Phones rated M3 or M4 meet
FCC requirements and are likely to
generate less interference to hearing
devices than phones that are not
labeled. M4 is the better/higher of the
two ratings.
u320.book Page 132 Friday, April 9, 2010 4:44 PM