Owner's manual

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5.11.10 Time (Gateway Mode / Basic NAT Mode only)
Broadband Router will obtain the GMT (Greenwich Mean Time) after
connected to Internet. You need to indicate the local time so that the system
could show the correct time. For example, Taiwan’s local time is GMT + 8
hours.
Select “Automatic adjust clock for daylight saving changes” will display
the time one hour earlier than local time.
TIME