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Casio DT-81D User Manual page 20

Data collector
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Power Supply
3
Pull out the backup battery holder.
4
Wipe off a CR2032 lithium battery with a dry
cloth, and load it into the backup battery case
so its plus (+) side is facing towards the holder
(so you can't see it).
5
Load the battery holder into the Data Collector
and tighten the screw.
To replace the Back-up Battery
Replace the backup battery as soon as possible after the low voltage message appears on the
display. Always make sure that power is turned off when replacing the backup battery, and use
only a CR2032 lithium battery.
Important!
• Removing the lithium backup battery while the main batteries are
removed or while main battery power is low can cause data stored in
memory to become corrupted.
• Always double check to make sure the positive (+) side of the backup
battery is facing correctly.
E-20
Insert from the hook side

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