ICF-C1PJ_U2 [US] 4-528-478-11(2) NOTES ON LITHIUM BATTERY Wipe the battery with a dry cloth to assure a good contact. Be sure to observe the correct polarity when installing the battery. Do not hold the battery with metallic tweezers, otherwise a short-circuit may occur. Do not expose the battery to excessive heat such as direct sunlight, fire or the like. If you have any questions or problems concerning your unit, please consult your nearest Sony dealer. General information About the battery as a backup power source This unit contains a CR2032 battery as a backup power source to keep the clock and the alarm operating during a power interruption. (No Power No Problem system) When to replace the battery When the battery is discharged,