Casio DT-X100 Series Software Manual page 134

Inifile Save Options
The following confirmation dialog is displayed after the user changes settings and presses the OK
button.
Specify whether or not to save the content set for each tab to the configuration file.
Operation
OK The terminal reboots and wireless functions operate with the set content.
Cancel Saving to the configuration file is performed according to the settings.
However, the terminal does not reboot, so the setting content is not
reflected until the next time the terminal is reset.
Eexplanation
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