HIKVISION iDS-9664NXI-M8/X User Manual page 166

Working Status
Monitoring
No need for backup
Backing up
Waiting for synchronization
Synchronizing
Synchronization finished
3. Click Add in Hot Spare Device Settings to add hot spare devices to the hot spare system.
4. Optional: Click Delete to delete working devices or hot spare devices as your desire.
Network Video Recorder User Manual
Table 11-1 Working Status of Working Device
Working devices are working properly.
The working device goes offline and has never
been monitored before.
The working device has been monitored
before but goes offline. A hot spare device will
take over the working device, and record the
videos of network cameras connected to the
working device. The video backup function can
be enabled for one working device at a time.
The working device comes back online, and
waits for the a hot spare device to sync videos.
The hot spare device is restoring videos back
into the working device. The synchronization
function can be enabled for one working
device at a time.
Videos are restored back to the working
device. The work device is recovered.
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Description