SafetySafety and Warranty Information: Important Safety Information 109Getting the Best Hearing Device Experience With Your DeviceTo further minimize interference: Set the device’s display and dial pad backlight settings to ensure the minimum time interval:1. Press and touch Main ( ) > Settings > Display > Brightness, Backlight Dim, or BrightnessOff.2. Touch the minimum time interval setting. (Brightness is adjustable by moving the slider either left orright.) Position the device so the internal antenna is farthest from your hearing aid. Move the device around to find the point with least interference.Caring for the BatteryProtecting Your BatteryThe guidelines listed below help you get the most out of your battery’s performance. Recently there have been some public reports of wireless device batteries overheating, catching fire, orexploding. It appears that many, if not all, of these reports involve counterfeit or inexpensive, aftermarket-brand batteries with unknown or questionable manufacturing standards. Sprint is not aware of similarproblems with Sprint devices resulting from the proper use of batteries and accessories approved bySprint or the manufacturer of your device. Use only Sprint-approved or manufacturer-approved batteriesand accessories found at Sprint Stores or through your device’s manufacturer, or call 1-866-343-1114 toorder. They’re also available at www.sprint.com — click Accessories. Buying the right batteries andaccessories is the best way to ensure they’re genuine and safe. In order to avoid damage, charge the battery only in temperatures that range from 32° F to 113° F (0° Cto 45° C). Don’t use the battery charger in direct sunlight or in high humidity 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 for a long period of time. It’s best to replace the battery when it no longer provides acceptable performance. It can be rechargedhundreds of times before it needs replacing.Nerva.book Page 109 Tuesday, June 24, 2008 3:18 PM