Dahua KTP03, User Manual, Page: 39 / 87

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4.2.5 Call from VTO
Dial VTH room no. (such as 9901) at VTO, to call VTH.
On the VTH interface, tap
Answer
.
Call from VTO
Table 4-2 Interface description
Key Description
/
Remotely unlock the door where the VTO is installed.
The system provides 2-channel unlock. If the icon is gray, it means that the unlock
function of this channel is not available.
Tap to talk to the VTO.
Select an IPC in Favorite to monitor.
Take snapshot.
This key will be gray if SD card is not inserted.
Take recording. Complete recording when the call is completed or by tapping
.

This key is gray if SD card is not installed.

Videos are stored in SD card of this VTH. If SD card is full, the earlier videos
will be covered.
Mute.