Emerson Radio CKD9918 User Manual
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Battery Back Up System
Installing and replacing the backup battery
1.) Use screw driver to remove the screw that secures the battery compartment 
 
at the bottom of the unit,and move out the battery cartridge from the battery
 compartment
2.) Insert a new battery in the battery cartridge with " + " side facing up.
3.) Insert the battery cartridge back into the unit and secure it with the screw.
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This unit uses a single CR2032 battery (not included) to maintain the Time, 
Alarm time and Radio preset stations 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 Lithium battery for longest life and best 
performance.
If the power is interrupted the clock display will go off but the battery will 
maintain the Time, Alarm time and Radio preset stations settings. When power 
is restored the time display will be correct and the alarm time and preset radio 
stations will also be maintained.
If you notice that the time is wrong you probably experienced a power failure. 
This could have been caused by a weak battery. Reset the clock and replace 
the battery as soon as possible.
NOTE: The battery back up system will not work unless you have installed the 
battery (CR2032, not included). Please see above for installation.
After you replaced the new battery, it will be necessary to re-enter the stations 
in radio preset memories and reset the clock setting.