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350 Section 8A: Safety
hearing aid. Add the rating of your hearing aid and your phone to determine probable
usability:
ⅷ Any combined rating equal to or greater than six offers best 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 phone, you will have a combined rating of
six for “best use.” This is synonymous for T ratings.
Palm 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 Palm 30-day Risk-Free Guarantee, you may return the device within 30 days of
purchase for a full refund, and you will only be responsible for charges based on your actual
usage.
Getting the Best Hearing Device Experience With Your Device
To further minimize interference:
ⅷ There is usually less interference on the microphone setting than on the telecoil
setting.
ⅷ Set the phone’s screen and keyboard backlight settings to ensure the minimum time
interval.
ⅷ Move the phone around to find the point with the least interference.
ⅷ 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. Turn off your