hearing aid. Add the rating of your hearing aid and your phone to determine probable usability:
⬤Any combined rating equal to or greater than six offers best use.
⬤Any combined rating equal to five is considered normal use.
⬤Any combined rating equal to four is considered usable.
Thus, if you pair an M3 hearing aid with an M3 phone, you will have a combined rating of six for “best use.” This is synonymous for T ratings.
Sprint Nextel further suggests that you experiment with multiple phones (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. If 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
Getting the Best Hearing Device Experience With Your Device
To further minimize interference:
⬤There is usually less interference on the microphone setting than on the telecoil setting.
⬤Set the phone’s screen and keyboard backlight settings to ensure the minimum time interval.
⬤Move the phone around to find the point with the least interference.
⬤If your hearing aid is equipped with a telecoil, turn on the HAC setting on your device.
Turning on the HAC Setting
When the HAC setting is on, your device 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. It does not affect calls heard on the speakerphone or with a car kit or headset. HAC requires extra battery power, so watch your battery consumption when it's turned on.
Safety
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