QNAP Security VioStor NVR (Version: 3.3.2) - Manual (Page 190)

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2.
Enable remote replication (support multiple choices)
In the above example, the NVR only copies the alarm recording data of the latest 3 days to
the remote storage device.
 Select ‘Enable remote replication’ to activate this feature. The NVR executes
automatic backup of the recording data to the remote storage device according to the
settings.
 When you select ‘Back up alarm recordings only (instead of all recordings)’, the NVR
will only copy the alarm recording data to the remote storage device. If this option is
unselected, the NVR will back up all the recording data to the remote storage device.
 When you select ‘Back up the recordings of the latest…day(s) only’ and enter the
number of days, the NVR will back up the latest recording data to the remote storage
device automatically according to your settings. If this option is unselected, the NVR
will copy all the recording data to the remote storage device.
3. Configure your remote storage server
Note: It is recommended to execute the ‘Remote host testing’ function to verify the
connection to the remote storage device is successful.