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6F22
BACKUP FUNCTION
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. → A
• The backup battery is not for radio reception.
Note
The backup function lasts about 10 minutes. Set the clock
again if 10 minutes passed after a power interruption.
Replacing the battery
Replace the battery with a 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
• When you are not going to use the unit for a long period of
time, remove the battery to prevent possible electrolyte
leakage.
• To prevent the risk of electrolyte leakage or explosions,
never recharge the battery, apply heat to it, or take it apart.
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