Digital Video Recorder User Manual 
 
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For the IP cameras, the alarm images are directly sent as the attached pictures by Email. Up 
to one picture can be sent for one IP camera. The attached pictures of the linked cameras 
cannot be sent. 
 
For analog cameras, 3 attached pictures can be sent for one analog camera when the alarm 
is triggered. 
Interval: The interval refers to the time between two actions of sending attached pictures. 
E-mail Test: Sends a test message to verify that the SMTP server can be reached. 
Step 4 Click the Apply button to save the Email settings. 
Step 5 You can click the Test button to test whether your Email settings work. The corresponding 
Attention message box pops up.   
   
Figure 12-23 Email Testing Attention 
12.2.9 Checking Network Traffic 
Purpose 
You can check the network traffic to obtain real-time information of DVR such as linking status, 
MTU, sending/receiving rate, etc. 
Step 1 Enter the Network Traffic interface. 
Menu > Maintenance > Net Detect 
   
Figure 12-24 Network Traffic Interface