192 4A. Important Safety InformationSprint further suggests you experiment with multiple phones(even those not labeled M3/T3 or M4/T4) while in the store tofind the one that works best with your hearing aid device.Should you experience interference or find the quality ofservice unsatisfactory after purchasing your phone, promptlyreturn it to the store within 30 days of purchase. (A restockingfee may be applied to exchanges. Visit www.sprint.com/returnsfor details.) More information about hearing aid compatibilitymay be found at: www.fcc.gov, www.fda.gov, andwww.accesswireless.org.Getting the Best Hearing DeviceExperience With Your PhoneTo further minimize interference: Set the phone’s display and keypad backlight settings toensure the minimum time interval:1. Press > and tap > Display >Screen timeout.2. Highlight the minimum time interval setting. Position the phone so the internal antenna is farthest fromyour hearing aid. Move the phone around to find the point with leastinterference.Caring for the BatteryProtecting Your BatteryThe guidelines listed below help you get the most out of yourbattery’s performance. Recently there have been some public reports of wirelessphone batteries overheating, catching fire, or exploding. Itappears that many, if not all, of these reports involvecounterfeit or inexpensive, aftermarket-brand batteries withunknown or questionable manufacturing standards. Sprint isnot aware of similar problems with Sprint phones resultingfrom the proper use of batteries and accessories approvedby Sprint or the manufacturer of your phone. Use only Sprint-approved or manufacturer-approved batteries andaccessories found at Sprint Stores or through your phone’smanufacturer, or call 1-866-866-7509 to order. They’re alsoavailable at www.sprint.com — click Accessories. Buying theright batteries and accessories is the best way to ensurethey’re genuine and safe. In order to avoid damage, charge the battery only intemperatures that range from 32° F to 113° F (0° C to 45° C). Don’t use the battery charger in direct sunlight or in highhumidity areas, such as the bathroom. Never dispose of the battery by incineration. Keep the metal contacts on top of the battery clean. Don’t attempt to disassemble or short-circuit the battery. The battery may need recharging if it has not been used fora long period of time.M580.book Page 192 Wednesday, September 21, 2011 4:52 PM
