Samsung SPH-i350 User Manual(SPH-I350 (Intrepid) Eng) (ENGLISH) - Page 211
Getting the Best Hearing Device Experience With Your Device, 4A. Important Safety Information
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Important Safety Information These ratings are not guarantees. Results will vary depending on the user's hearing device and individual type and degree of hearing loss. If a hearing device is particularly vulnerable to interference noise, even a device with a higher rating may still cause unacceptable noise levels in the hearing device. Trying out the device with your hearing device is the best way to evaluate it for your personal needs. M-Ratings: Devices rated M3 or M4 meet FCC requirements for hearing aid compatibility and are likely to generate less interference to hearing devices than unrated devices. (M4 is the better/higher of the two ratings.) T-Ratings: 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 devices. (T4 is the better/higher of the two ratings. Note that not all hearing devices have telecoils in them.) Hearing aid devices may also be measured for immunity to interference noise from wireless devices and should have ratings similar to devices. Ask your hearing healthcare professional for the rating of your hearing aid. Add the rating of your hearing aid and your device to determine probable usability: ⅷ Any combined rating equal to or greater than six offers excellent use. ⅷ Any combined rating equal to five is considered normal use. ⅷ Any combined rating equal to four is considered usable. Thus, if you pair an M3 hearing aid with an M3 device, you will have a combined rating of six for "excellent use." This is synonymous for T ratings. Sprint further suggests you experiment with multiple devices (even those not labeled M3/T3 or M4/T4) while in the store to find the one that works best with your hearing aid device. Should you experience interference or find the quality of service unsatisfactory after purchasing your device, promptly return it to the store within 30 days of purchase. With the Sprint 30-day Risk-Free Guarantee, you may return the device within 30 days of purchase for a full refund. More information about hearing aid compatibility may be found at: www.fcc.gov, www.fda.gov, and www.accesswireless.org. Getting the Best Hearing Device Experience With Your Device To further minimize interference: ⅷ Set the device's display and dial pad backlight settings to ensure the minimum time interval: 1. Press and touch Settings > System > Backlight > Battery Power/External Power. Adjust the values within each onscreen tab. 2. Press and touch Settings > System > Backlight > Brightness. (Brightness is adjustable by moving the slider either left or right.) 4A. Important Safety Information 203