Using Your Phone With A Hearing Aid Device - Zte N9120 User Manual

 Reorient or relocate the receiving antenna.
 Increase the separation between the equipment and receiver.
 Connect the equipment into an outlet on a circuit different from that to
which the receiver is connected.
 Consult the dealer or an experienced radio/TV technician for help.

Using Your Phone With a Hearing Aid Device

Your phone is compliant with the FCC Hearing Aid Compatibility (HAC)
requirements. For additional HAC information, including the HAC rating
of this product, please refer to www.zteusa-support.com.
When 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 ratings for some of their mobile phones to assist hearing
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