# 7. Video System (For Professional Version 5.2.20 or above)

The system provide video linkage function, to manage the Video Server, view the Real-Rime Video, and query the Video Record, popup the Real-Time Video when the linkage events happened.

When using the video linkage function, the user need to add Video Server firstly, for detailed operation, please refer to 5.2.2 Add Network Video Recorder. After adding, the user fill in the video linkage corresponding setting, can use video linkage function. The detailed setting, please refer to 7.2 Video Linkage Settings.

? Note: The current software version only supports ZKiVision IPC and Hikvision embedded network DVR.