Emerson CKD9902 Owners Manual - Page 7

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. Some people find it convenient to replace the back up batteries in their alarm clocks, clock radios, and smoke detectors too, at the beginning and end of Daylight Saving Time. To install the back up battery, turn the unit upside down, and 1.) Press on the small tab to remove the battery door. 2.) Connect the battery to the battery terminal, push the battery back into the compartment and replace the battery door. 9 VOLT 1 2 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. CKD9902_041707.p65 6 6 17/4/2007, 11:05