Casio E-115 - Manual (Page 29)

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3. Slide the battery cover switch to MAIN, and then remove the main battery cover.
4. Remove the main battery and then load a new battery pack.
•
Make sure that the battery pack is oriented correctly.
5. Replace the main battery cover.
6. Slide the battery cover switch to LOCK.
Replacing the Backup Battery
Important
•
Never remove the main battery and backup battery from the CASSIOPEIA at the
same time. Doing so causes all data stored in memory to be deleted.
•
Should the main battery and the backup battery both require replacement, be sure to
always replace the main battery first.
•
Be sure to replace the backup battery as soon as possible whenever the following
message appears on the display: “Backup Battery Very Low
To prevent possible
data loss, replace or recharge your backup battery according to the owner’s
manual.”