LG LGP769BK - Manual (Page 163)

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interference they generate.
The wireless telephone industry
has developed a rating system for
wireless phones, to assist hearing
device users to 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.
T-Ratings: Phones rated T3 or T4
meet FCC requirements and are
likely to generate less interference
to hearing devices than phones
that are not labeled. T4 is the
better/higher of the two ratings.
Hearing 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 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