32-Channel Network Video Recorder
NVR-3210/NVR-3250/NVR-3280
80
10.5 USB Backup
It’s a function that allows users to back up the recording data in its database file format as well
as in AVI to the externally connected USB hard disk.
The USB hard disk(s) will be listed in the drop-down menu displaying the remaining disk space.
Make your selection from the drop-down menu if you have more than one disk connected to
the NVR.
Next, select channels which you would like to back up the recording data from. Maximum 4
channels can be selected at once.
Configure the start and end time of the recording data you would like to back up and click the
“Backup” button to begin.
10.5.1 Things to Pay Attention to -- the USB Backup Function
Limitation:
y
It does not support USB Hub that extends the number of HDDs connected to the NVR.
y
Only one backup process can be performed at a time.
y
Maximum 4 channels can be selected for backup.
y
Only FAT32 USB hard disk is supported for backup.
y
The USB hard disk needs to have more than 100MB remaining space.
y
If multiple partitions are presented in one disk, only the first partition will be detected and
used for backup.
Process:
y
Progress will be displayed on the UI.
y
If the backup process gets interrupted, the process stops at a point of time that is before the
“END Time” user defined, such time will be displayed on the UI.
y
A folder will be automatically created in the USB hard disk with a name format like
0028687831_20100610151515_2010060511 0010_20100606110010
(MAC_backupbuttonclicktime_starttime_ endtime).
