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1. Perform procedures 1 and 2, as shown above. Do not remove
the unit operation batteries.
2. Remove the the memory
backup battery cover, as
shown.
3. Use a pen to lift the lithium
battery out of the battery
compartment.
4. Insert the new battery with
+
the PLUS (
) side facing
up.
5. Replace the lithium
battery cover.
6. Replace the battery compartment cover.
The following message will appear.
7. Press O.
C
C
Do not press C
C
C . This will
clear all the data.
Appendix
161
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