User manual

151ALI-NVR5000P Embedded NVR User Manual
SECTION 9: SYSTEM MAINTENANCE
When the working device goes oine, the hot spare device will record the video of the IP Camera connected to the working
device for backup, and the working status of the hot spare device is displayed as Backing up.
When the working device becomes online, the lost video les will be restored by the record synchronization function, and the
working status of the hot spare device is displayed as Synchronizing.