12
Figure 4-9
Icon
Icon Name
Note
Unlock 1
VTO config electric control lock, press
, unlock.
Unlock 2
If this VTO has 485 expansion interface, it
can expand electric control lock or door
sensor lock, after successfully matching
with VTH, press
, unlock.
MIC
Press
, turn off MIC volume.
IP Camera
Press
，
select IPC video of
monitoring favorites.
Snapshot
Press
，
to snapshot.
Note:
When SD card is not installed, this button is
grey.
Record
Press
，
record
；
call ends, press
end recording.
Records are stored to SD card of this VTH,
