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260 Section 4A: Safety
an M2 immunity level. Add the “M”ratings 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 considred usable.
Thus, if you pair an M3 hearing aid with an M3 phone, you will have a
combined rating of six for “best use.”
Sprint further suggests you experiment with multiple phones (even
those not labeled M3 or M4) while in the store to find the one that works
best with your hearing aid device. Should you experience interference
after purchasing your phone, promptly return it to the store. With the
Sprint 14-day Risk-Free Guarantee you may return the phone within
14 days of purchase for a full refund.
Getting the Best Hearing Device Experience
With Your VI-2300
To further minimize interference:
ⅷ
There is usually less interference on the microphone setting than the
telecoil setting.
ⅷ
Set the phone’s Display and Keypad backlight settings to ensure the
minimum time interval:
1. Press to access the main menu.
2. SelectSettingsand press .
3. SelectDisplayand press .
4. SelectBacklightand press .
5. SelectMain LCD or Key and press .
6. Select the minimum time interval setting and press .
ⅷ
Use phones with a pull-out antenna. Phones with embedded antennae
may produce more interference.
ⅷ
Position the phone so the antenna is farthest from your hearing aid.
ⅷ
Move the phone around to find the point with least interference.