ZTE Corporation ZTEC90 Manuale Utente

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C90 User manual 
19 
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.  The more immune your hearing aid is, the less likely you are to experience interference 
noise from wireless devices. 
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. 
Turn on the HAC Setting 
When the HAC setting is on, your C90 sends the audio from your phone calls to the telecoil 
rather than to the microphone of your hearing aid.  You are likely to hear calls much better 
because volume is increased and background noise and feedback are diminished.  The HAC 
setting improves only the calls you listen to through the earpiece.  Turn off the Bluetooth 
function. It does not affect calls heard on the speakerphone or with a headset. HAC requires 
extra battery power, so watch your battery consumption when it's turned on. 
CAUTION: Do not turn on the HAC setting unless you use a hearing aid with a telecoil.  Using 
this setting without a hearing aid or with a hearing aid without a telecoil may be harmful to your 
hearing. 
Copyright Notice 
The video/audio recordings you make/download are protected by copyright laws.  They are for 
personal use only and must not be otherwise used without the permission of the copyright 
owner.