Casio DT-930 User Manual download pdf (Page 23)

E-23

Replacing the Backup Lithium Battery

When the backup lithium battery low voltage message appears on the LCD screen,

immediately replace the backup battery (lithium). Use a CR2032 lithium battery as the

replacement battery. Be sure to turn the Handheld Terminal OFF before you do this.

[Caution]

■ For Important Data

• When you remove the backup battery with the main battery removed or

in a low-power state, data may be lost or may change. Data cannot be

recovered once it is lost or corrupted. Be sure to make back-up copies

of all important data. One way to do this is to use one of the optional

cradles to transfer data to a computer.

Important! • Make sure that the positive (+) and negative (–) ends of the battery are

facing the correct directions.

1 Use a screwdriver to rotate the screw that

secures the backup battery holder in place

counterclockwise to loosen it.

2 Open the backup battery compartment cover.

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Casio DT-930 User Manual Page 23