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Hearing Aid Compatibility (HAC) regulations for Mobile Phones
In 2003, the FCC adopted rules to make digital wireless telephones compatible with
hearing aids and cochlear implants. Although analog wireless phones do not usually
cause interference with hearing aids or cochlear implants, digital wireless phones
sometimes do because of electromagnetic energy emitted by the phone’s antenna,
backlight, or other components. Your phone is compliant with FCC HAC regulations
(ANSI C63.19- 2011). 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 in finding 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.
This phone has been tested and rated for use with hearing aids for some of the wireless
technologies that it uses. However, there may be some newer wireless technologies used
in this phone that have not been tested yet for use with hearing aids. It is important to
try the different features of this phone thoroughly and in different locations, using your
hearing aid or cochlear implant, to determine if you hear any interfering noise. Consult
your service provider or the manufacturer of this phone for information on hearing aid
compatibility. If you have questions about return or exchange policies, consult your
service provider or phone retailer.
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 be more
usable with a hearing device’s telecoil (“T Switch” or “Telephone Switch”) than unrated
phones. T4 is the better/ higher of the two ratings. (Note that not all hearing devices
have telecoils in them.)
Your
Z719DL
has been tested for hearing aid device compatibility and has an
M4/T3
rating.
Hearing devices may also be measured for immunity to this type of interference. Your
hearing device manufacturer or hearing health professional may help you find results for
your hearing device.
For additional information about the FCC’s actions with regard to hearing aid compatible
wireless devices and other steps the FCC has taken to ensure that individuals with
disabilities have access to telecommunications services, please go to www.fcc.gov/cgb/
dro.
CTIA Requirements
• Do not disassemble or open, crush, bend or deform, puncture or shred the battery.
• Do not modify or remanufacture, attempt to insert foreign objects into the battery,
immerse or expose to water or other liquids, expose to fire, explosion or other hazard.
• Only use the battery for the system for which it is specified.
• Only use the battery with a charging system that has been qualified with the system
per CTIA Certification Requirements for Battery System Compliance to IEEE 1725. Use
of an unqualified battery or charger may present a risk of fire, explosion, leakage, or
other hazard.
• Do not short circuit the phone or allow metallic conductive objects to contact the
charging terminals.
• Replace the battery only with another battery that has been qualified with the
system per this standard, IEEE-Std-1725. Use of an unqualified battery may present a
risk of fire, explosion, leakage or other hazard. Only authorized service providers shall
replace the battery. (If the battery is non-user replaceable).
For Your Safety
For Your Safety
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