A-rival PNV Bedienungsanleitung Seite 153

The time setting is used to switch from 12 - (AM / PM) on the 24-hour format:
Use the "Restore Factory Settings" to reset all settings. This can be helpful if the
navigation system was used by another user or you have forgotten witch settings were
changed.
In the "About" dialog, you can see the version number and other data from your system:
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