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228 Section 4A: Important Safety Information
Hearing Aid Compatibility With Mobile
Phones
A number of Sprint Nextel phones have been tested for hearing
aid compatibility. When some wireless phones are used with
certain hearing aids, users may detect a noise which can interfere
with the effectiveness of the hearing aid.
Some hearing aids are more “immune” than others to this
interference noise, and phones can also vary in the amount of
interference noise they may generate. ANSI standard C63.19 was
developed to provide a standardized means of measuring both
mobile phone and hearing aids to determine usability rating
categories for both.
Ratings have been developed for mobile phones to assist hearing
aid users find phones that may be compatible with their hearing
aid. Not all phones have been rated for compatibility with
hearing aids. Phones that have been rated have a label with the
rating(s) located on the box, and at
www.motorola.com/accessibility
.
These ratings are not guarantees of compatibility. Results will
vary depending on the user's hearing aid and individual type and
degree of hearing loss. If a hearing aid is particularly vulnerable
to interference, even a phone with a higher rating may still cause
unacceptable noise levels in the hearing aid. Trying out the phone
with your hearing aid is the best way to evaluate it for your
personal needs.
“M” Rating: Phones rated M3 or M4 meet FCC requirements for
hearing aid compatibility and are likely to generate less
interference to hearing aids than unrated phones. (M4 is the
“better” or higher of the two ratings.) On those models with an
extendable antenna, this rating is determined only with the
antenna extended.