Digital Video Recorder User Manual 
 
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12.3.1 Testing Network Delay and Packet Loss 
Step 1  Enter the Network Traffic interface. 
Menu > Maintenance > Net Detect 
Step 2  Click the Network Detection tab to enter the Network Detection interface. 
 
Figure 12-19 Network Detection Interface 
Step 3  Select a NIC to test network delay and packet loss. 
Step 4  Enter the destination address in the text field of Destination Address. 
Step 5  Click the Test button to start testing network delay and packet loss.   
12.3.2 Exporting Network Packet 
Purpose 
By connecting the DVR to network, the captured network data packet can be exported to USB-flash 
disk, SATA and other local backup devices. 
Step 1  Enter the Network Traffic interface. 
Menu > Maintenance > Net Detect 
Step 2  Click the Network Detection tab to enter the Network Detection interface. 
Step 3  Select the backup device from the dropdown list of Device Name. 
   
Click the Refresh button if the connected local backup device cannot be displayed. When it fails to 
detect the backup device, please check whether it is compatible with the DVR. You can format the 
backup device if the format is incorrect.