221
Figure 5-111
Select Backup device and backup type first and then click Start backup button.
After the download operation, you can see corresponding dialogue box.
5.12.5.2 Download by Time
Select channel, bit stream type, start time and end time.
Click Download to Local button, you can see download by time interface is shown as in Figure 5-112.
Figure 5-112
Set record format and saved path, you can click OK to download and view the download process. After
the download operation, you can see corresponding dialog box.
5.12.5.3 Watermark
Watermark interface is shown as In Figure 5-113. Please select a file and then click Verify button to see
the file has been tampered with or not
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