Asus VERIZON ZENFONE AR Manuel de l'utilisateur - Page 15
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regulation, all WiFi products that are marketed in US
must be fixed to US-operated channels only.
Hearing Aid Compatibility Information
(HAC)
Your phone is compliant with the FCC Hearing Aid
Compatibility requirements.
The FCC has adopted HAC rules for digital wireless
phones. These rules require certain phone to be
tested and rated under the American National
Standard Institute (ANSI) C63.19-2011 hearing
aid compatibility standards. The ANSI standard
for hearing aid compatibility contains two types of
ratings:
M-Ratings: Rating for less radio frequency
interference to enable acoustic coupling with hearing
aids.
T-Ratings: Rating for inductive coupling with hearing
aids in telecoil mode.
Not all phones have been rated, a phone is
considered hearing aid compatible under FCC rules
if it is rated M3 or M4 for acoustic coupling and T3
or T4 for inductive coupling. These ratings are given
on a scale from one to four, where four is the most
compatible. Your phone meets the M4/ T4 level
rating.
However, hearing aid compatibility ratings don't
guarantee that interference to your hearing aids won't
happen. Results will vary, depending on the level of
immunity of your hearing device and the degree of
your 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