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Motorola XT1789-04 User Manual page 5

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how susceptible a hearing aid is to picking up interference from a
digital wireless phone. It can rate the performance of the hearing aid
for either microphone and/or telecoil coupling. Some hearing aids are
more immune than others to this interference noise, and phones also
vary in the amount of interference they generate. The US performance
rating system for HAC compliant wireless phones is as follows:
The "M" (microphone) indicates that the product has been tested
and rated for acoustic coupling. The "T" (telecoil) represents that the
product has been tested and rated for inductive coupling. The higher
the "M" or "T" rating, the less likely the hearing aid user will experience
interference when the hearing aid is set to the respective microphone
or telecoil mode. The highest values to date are 3 and 4 (e.g., "M4"
or "M3/T3").
To determine if a product is rated for HAC, please look for the HAC
rating or logo on the phone's packaging. For a list of current HAC
models, visit www.motorola.com/hacphones.
Results will vary depending on the user's hearing aid and hearing
loss. If your hearing aid 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. To couple the device to your telecoil equipped
hearing aid, switch your hearing aid to the "T" or telecoil setting.
Then, enable the 'Hearing Aid' mode feature on your phone with the
following sequence: Phone > Menu > Settings > Calls > Hearing aids.
FCC
Hearing aid compatible phones have been tested and rated for use
11-May-2017
with hearing aids for some of the wireless technologies that it uses.
However, there may be 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.
Contact your service provider or Motorola for information on hearing
aid compatibility. If you have questions about return or exchange
policies, contact your service provider or phone retailer.
Service & Repairs. If you have questions or need assistance, we're
here to help. Go to www.motorola.com/support, where you can select
from a number of customer care options.
Copyright & Trademarks. MOTOROLA, the stylized M logo, MOTO,
and the MOTO family of marks are trademarks or registered
trademarks of Motorola Trademark Holdings, LLC. LENOVO is a
trademark of Lenovo. All other product or service names are the
property of their respective owners.
© 2017 Motorola Mobility LLC. All rights reserved.
Manual Number:
TBD-A
Motorola Mobility LLC
222 W. Merchandise Mart Plaza
5

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