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Monitoring I
Table 4-3 Interface description
Remotely unlock the door where the VTO is located.
The system provides 2-channel unlock function. If the icon is gray, it means
that unlock function of this channel is not available.
Take snapshot.
An SD card is needed to use this function.
Tap to start recording, and it will stop when the call is completed or by
tapping .
If the SD card is full, the oldest videos will be overwritten.
An SD card is needed to use this function.
If the VTH is connected to multiple VTOs/IPCs, tap and to
switch device.
Tap to speak to the other end device, and tap again to stop.
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