Uniden EXS9910 English Owners Manual - Page 14

Even when the battery pack is not being used, it will gradually discharge over a long period. For optimum performance, be sure to return the handset to the base unit after a telephone call for charging the battery. Rechargeable batteries have a memory effect that reduces standby and talk time. To avoid this memory effect, on a monthly basis, use the phone until the talk/batt LED blinks. Then charge the battery for 16 hours. Please visit your authorized Uniden dealer to obtain an extra battery pack or contact the Uniden parts department at (800)554-3988. Hours are from 8:00 a.m. to 5:00 p.m. Central Time, Monday through Friday. Battery use time (per charge) From fully charged • Four hours coutinuous use. • Seven days when the handset is in the standby mode. When the battery charge becomes low When the voltage of battery pack in the handset is very low and needs to be charged, the phone is programmed to eliminate functions in order to save power. If the battery charge becomes talk/batt LED blinks. If the phone is in use, the handset beeps. Complete your conversation as quickly as possible and return the handset to the base unit for charging. Cleaning the battery contacts To maintain a good charge, it is important to clean the battery contacts on the handset and base unit about once a month. Use a pencil eraser or other contact cleaner. Do not use any liquids or solvents. Charging optional battery packs The base unit of your phone is equipped with a compartment for charging an extra battery pack for use in your handset. You can obtain an extra battery pack from your authorized Uniden dealer. 1. Pull the cover of battery charger. 2. Put the battery pack in the compartment with contacts facing down. backuoppebnattery status power page/find 3. Charge the battery for 21 hours. To install the charged battery into the handset, refer to "Installing the status handset battery pack", page 10. power page/find In the event of a power failure, your spare battery pack can be used as a back-up power supply for the base unit. 11