TANDY 1000 RLX (250-1452/53) Battery Faxback Doc. # 1326 The SmartWatch is a battery-backed memory chip that contains the time and date information. You will occasionally need to replace the SmartWatch (CMOS RAM) (23-162) battery. You may obtain this part number from your Radio Shack Store. The CMOS RAM battery should last at least three years with normal use. When it fails, the time and date information is displayed inaccurately. Note: Refer to Faxback Doc. # 1292 for Main Logic Board Layout. The battery is the round chip located directly behind the drive mount. Follow these steps if you choose to replace the battery yourself. 1. Gently lift the battery clip. 2. Remove the old battery from the battery holder. 3. Place the new battery in the battery holder. Be sure to position the battery with the positive side (+) up. Remember to use the Setup accessory on the F10 Menu (the Accessory Menu) to enter and store the correct time and date. WARNING: Improper handling of this special lithium battery can be hazardous. Never recharge, disassemble, or heat the battery above 100`C (212`F). Never solder directly to the battery or expose the contents of the battery to water. (jlc-10/04/93)