AIWA FR-A505 Operating Instructions - Page 8

BACKUP FUNCTION mm If the AC power supply is interrupted, the clock display goes off and the alarm setting is canceled. To back up the clock and alarm, insert a 6F22 battery in the battery compartment on the rear of the unit. + o q The backup battery is not for radio reception. Note The backup function lasts about 10 minutes. Replace the backup battery and set the clock again if 10 minutes passed after a power interruption. Replacing the battery Replace the battery with new one if the clock display flashes or the alarm timer does not work properly when you connect the AC power cord again. Note on battery q When you are not going to use the unit for a long period of time, remove the battery to prevent possible electrolyte leakage. q To prevent the risk of electrolyte leakage or explosions, never recharge the battery, apply heat to it, or take it apart.