Casio A-10 Operation, Service Manual & Parts List page 12

4. Remove both of the old batteries from the main battery holder, and load two new ones.
When loading new batteries, make sure that their positive (+) and negative (–) ends are facing correctly.
5. Insert the main battery holder into the A-10/A-11 until the holder is fully seated.
6. Slide the release (both buttons) of the main battery holder towards "NORMAL OPERATION" to lock the
main battery holder release.
7. If you are loading batteries into the A-10/A-11 for the first time after purchasing it, pull the insulating tape
out from under the back-up battery compartment cover according to the following order.
1
2
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