Dahua Digital VTH

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3.2.2 VTH Monitoring VTO
VTH can monitor VTO, fence station or IPC. This section takes monitoring VTO as an example.
On the main interface of the VTH, tap Monitor > Door, and then tap a VTO to enter monitoring
image.
Door
Monitoring image
SD card is needed for recording and snapshot; otherwise, the icons will be gray.