Casio DT-930 - Manual (Page 24)

E-24
3
Carefully wipe the backup battery (lithium
battery) with a dry cloth before inserting it with
the plus (+) side up as shown in the diagram.
4
Push the lithium battery in the direction shown
by the arrow to hook it.
5
Close the backup battery cover and tighten
the screws.
Removing the battery
1
Open the backup battery cover and use a
ballpoint pen or other sharp object to remove
the backup battery (lithium battery).
2
Close the backup battery cover and tighten
the screws.
Hook
Power Supply