Palm TREO700WX User Manual - Page 383

Safety 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 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." 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 Treo 700wx Smart 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. See "Viewing and Optimizing Power Settings" on page 300 for instructions. ⅷ Position the phone so that the antenna is farthest from your hearing aid. ⅷ Move the phone around to find the point with the least interference. Section 8A: Important Safety Information 367