Casio IT-3100 User Manual page 26

Replacing the Battery
6. Return the battery pack cover to its
original position as shown in the
illustration, and then turn the battery
pack cover lock switch to the "LOCK"
position.
Important!
• When replacing the battery pack, make sure you do not leave the Handheld
Printer Terminal without a battery pack for more than about 10 minutes. Doing
so can cause data in the memory to be deleted.
• Never try to use other type of battery than the one that is specified for this
product.
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