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Battery Back Up System
This unit uses a single 9-Volt battery (not included) to maintain the time and alarm
settings in the event that it is accidentally unplugged, or you experience a temporary
power failure. We recommend that you install a well-known brand of Alkaline battery
for longest life and best performance. To keep the battery back up system operational
you should install a new battery every 6 to 9 months.
To install the back up battery, turn the unit upside down.
1.) Press on the small tab to remove the battery
door.
2.) Connect the battery to the battery
terminal.
3.) Push the battery back into the
compartment and replace the battery
door.
If the power is interrupted the clock display will go off but the battery will maintain
the clock and alarm time settings. When power is restored the time display will be
correct and your alarm setting will also be maintained.
If you notice that the time display is completely wrong you probably experienced a
power failure with a weak or exhausted battery in the compartment. Reset the
clock and replace the battery as soon as possible.
CKD1100_052107.p65 21/5/2007, 10:446