User Guide

coupling (telecoil mode) if it has a “T3” or “T4” rating.

HOW WILL I KNOW IF MY HEARING AID WILL WORK WITH A PARTICULAR DIGITAL

WIRELESS PHONE?

You’ll want to try a number of wireless phones so that you can decide which works the best with

your hearing aids. You may also want to talk with your hearing aid professional about the extent

to which your hearing aids are immune to interference, if they have wireless phone shielding, and

whether your hearing aid has a HAC rating.

FOR MORE INFORMATION ABOUT HEARING AIDS AND DIGITAL WIRELESS PHONE

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FCC Hearing Aid Compatibility and Volume Control –

http://www.fcc.gov/cgb/dro/hearing.html

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Hearing Loss Association of America –

http://www.hearingloss.org/learn/cellphonetech.asp

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CTIA – http://www.accesswireless.org/hearingaid/

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Gallaudet University, RERC – http://tap.gallaudet.edu/voice