Motorola V950 User Guide

hearing loss. If a hearing device is particularly vulnerable to 
interference noise; even a phone with a higher rating may still 
cause unacceptable noise levels in the hearing device. Trying 
out the phone with your hearing device is the best way to 
evaluate it for your personal needs.

 Phones rated M3 or M4 meet FCC requirements 

for hearing aid compatibility and are likely to generate less 
interference to hearing devices than unrated phones. (M4 is the 
better/higher of the two ratings.)

 Phones 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 phones. (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 phones and should have 
ratings similar to phones. Ask your hearing healthcare 
professional for the rating of your hearing aid. Add the rating of 
your hearing aid and your phone to determine probable 
usability:

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Any combined rating equal to or greater than six offers 
excellent use.

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Any combined rating equal to five is considered normal use.

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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 “excellent use.”This is 
synonymous for T ratings.

Sprint further suggests 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. 
Should you experience interference or find the quality of 
service unsatisfactory after purchasing your phone, promptly 
return it to the store within 30 days of purchase. With the Sprint 
30-day Risk-Free Guarantee, you may return the phone 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.

To further minimize interference:

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Set the phone’s display and keypad backlight settings to 
ensure the minimum time interval:

Press 

S

 or 

.

Select the minimum time interval setting and press OK.

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Position the phone so the internal antenna is farthest from 
your hearing aid.

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Move the phone around to find the point with least 
interference.