Dahua NVR100 series User Manual page 374

c) Select backup device and then set channel, file start time and end time.
d) Click add button, system begins search. All matched files are listed below. System automatically
calculates the capacity needed and remained. See Figure 4-230.
e) System only backup files with a √ before channel name. You can use Fn or cancel button to
delete √ after file serial number.
f) Click backup button, you can backup selected files. There is a process bar for you reference.
g) When the system completes backup, you can see a dialogue box prompting successful backup.
h) Click backup button, system begins burning. At the same time, the backup button becomes stop
button. You can view the remaining time and process bar at the left bottom.
Note

During backup process, you can click ESC to exit current interface for other operation (For
some series product only). The system will not terminate backup process.

The file name format usually is: Channel number+Record type+Time. In the file name, the
YDM format is Y+M+D+H+M+S. File extension name is .dav.
4.10.8.2 Import/Export
This function allows you to copy current system configuration to other devices. It also supports import,
create new folder, and delete folder and etc function.
From Main menu->Setting->System->Import/Export, you can see the configuration file backup interface is
shown as below. See Figure 4-231.
Figure 4-230
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