Blackberry CURVE 8300 - CURVE 8310 SMARTPHONE Informationen zum Produkt - Seite 22
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The wireless telephone industry has developed ratings to assist hearing device users in finding
wireless devices that may be compatible with their hearing devices. Not all wireless devices
have been rated. Wireless devices that are rated will have the rating displayed on their box
together with other relevant approval markings.
The ratings are not guarantees. Results will vary depending on the user's hearing device and
hearing loss. If your hearing device is vulnerable to interference, you may not be able to use a
rated wireless device successfully.
Consulting with your hearing health professional and testing the wireless device with your
hearing device is the best way to evaluate it for your personal needs.
How the ratings work
M-Ratings: Wireless devices rated M3 or M4 meet FCC requirements and are likely to generate
less interference to hearing devices than wireless devices that are not labeled. M4 is the better/
higher of the two ratings.
T-Ratings: Wireless devices rated T3 or T4 meet FCC requirements and are likely to be more
usable with a hearing device's telecoil ("T Switch" or "Telephone Switch") than unrated wireless
devices. T4 is the better/higher of the two ratings. (Note that not all hearing devices have
telecoils in them.)
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.
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