Fujitsu iScanner fi-6010N Operator's Manual page 140

6. Press the [OK] button.
The NTP server is set.
The system time is automatically synchronized every 6 hours to that sup-
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plied by the NTP server.
When the NTP server settings are changed, the system time is synchro-
nized immediately.
An adjustment that advances the system time by 20 minutes or more
results in a session timeout and causes the scanner to logout.
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