Casio SF-5580RS Service Manual page 11

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To replace the back-up battery
Important!
• Do not remove the back-up battery from the Digital Diary while the main batteries are removed.
• Be sure to replace the back-up battery at least once every 5 years. Otherwise, you run the risk of
losing data stored in memory.
1. Press
to turn power off.
2. Remove the screw that holds the back-up battery compartment cover in place and open the cover.
3. Insert a thin, pointed object into (A) and remove the old battery.
(A)
4. Load a new battery into the compartment, making sure that its positive side is facing up (so you can
see it).
5. Replace the battery compartment cover and secure it with its screw.
• Take care that you do not overtighten the screw.
START
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