QNAP Security VioStor NVR (Version: 4.1.1) - Manual (Page 137)

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6.2.2 Date & Time
Set the date, time, and time zone. If the settings are incorrect, the following problems
may occur:
 Incorrect time display on the video files.
 Incorrect time display on the event logs.
Synchronize with an Internet time server automatically
Enable this option to update the date and time of the NVR automatically with an NTP
(Network Time Protocol) server. Enter the IP address or the domain name of the NTP
server, for example, time.nist.gov or time.windows.com. You can also select when to
synchronize the date and time of the NVR with an NTP server.
The NVR can be configured as the NTP server for the IP cameras or other servers. To
ensure the date and time of the IP cameras are synchronized with the NVR, enter the NVR
IP as the NTP server of the IP cameras. To set the server time the same as the computer
time, select ‘Set the server time the same as the computer time’.
Note: It may take several minutes to synchronize the time after enabling the NTP server
feature.