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Important � Never remove the main batteries and back-up battery from the unit at the same time. Doing so causes all data stored in memory to be deleted. � Should the main batteries and the back-up battery both require replacement, be sure to always replace the main batteries first. � Be sure to replace the back-up battery as soon as possible whenever the following message appears on the display: �Prevent possible data loss by promptly replacing your backup battery according to your hardware manufacturer�s instructions.� 1. Make sure that unit power is turned off. � If power is on, press the [Power] button to turn it off. 2. Slide and hold he release slider (marked A in the illustration below) in the direction indicated by the arrow, and then slide the back-up battery compartment cover down,
A
Back-up battery compartment cover
3. Rotating the back-up battery cover as shown in the illustration, pull it towards you and remove the old battery.
4. Wipe off the surfaces of a new CR2016 lithium battery with a soft cloth, and then load it into the battery compartment.
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Make sure that the + side of the battery is facing up (so you can see it)!
