Unlock Function; Remote Unlock At Vth/Vts; Open Door At Web Interface - Dahua Modular VTO User Manual

Make a group call from keyboard module
Ensure that keyboard module has been connected and added to faç ade layout. Otherwise, this
call doesn't exist.
On keyboard module, dial master VTH room no. and press
call other extension VTHs simultaneously.
6.2

Unlock Function

6.2.1 Remote Unlock at VTH/VTS

When being called, during monitoring and calling status, the VTO will be unlocked remotely at
VTS or VTH.

6.2.2 Open Door at WEB Interface

Select "System Config >Video Set>Video Set".
Step 1
The system displays "Video Set" interface.
Click "Open Door", and VTO is unlocked, as shown in Figure 6-8.
Step 2
Figure 6-7
to call the master VTH, and
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