with user config on the main VTH.
Figure 5- 5
5.2 Monitor
Both VTS and VTH are able to monitor this VTO and remotely view camera captured
image on VTH.
5.3 Unlock Function
Unlock by Center
When center is called, calling or monitoring, center can remotely unlock door. VTO will
return to standby interface after call ends or countdown stops.
Unlock by VTH
When VTH is called, calling or monitoring, VTH can remotely unlock door. VTO will return
to standby interface after call ends or countdown stops.
5.4 Compensation of Light
In dark environment or at night, the VTO adopts auto photoreception technology which