Config Guide

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Figure 5-91
Importing /Exporting B/W List
System supports to import B/W list from the peripheral USB device and export B/W list to the USB device.
System supports to import .csv files and .xlsx files, and the exported files are in the format of .csv
or .backup.
Importing B/W list: Click Import, select the file, and then click Open to import the file.
Export B/W list: Click Export and the File Backup Encryption interface is displayed. See Figure 5-92.
Enter the password and click OK. Select the save path and click Save.
Figure 5-92
File backup encryption is enabled by default.
When file backup encryption is enabled, the extension name of the file is .backup.
When file backup encryption is disabled, the extension name of the file is .csv. It might lead to data
leakage.
5.11.3.8 Audio Detect (Optional)
System can generate an alarm once it detect the audio input is abnormal or audio volume changes.
From main menu->Setup->Event->Audio detect, you can see an interface shown as in Figure 5-93.
Input abnormal: Check the box here, system can generate an alarm once the audio input is
abnormal.