Product Structure 5
Icon
Name
Description
Network
indicator
If this indicator turns on, it represents normal
communication with VTO.
If this indicator turns off, it represents abnormal
communication with VTO.
Message
indicator
If this indicator turns on, it represents that there are
unread messages.
DND
indicator
If this indicator turns on in green, it represents that DND
function is enabled.
For DND settings, please refer to
Table 2-4
Figure 2-5 VTH15 Series Type B
Icon
Name
Description
SOS
Press this key to call the Call Center in case of
emergency.
Menu
Press this key to return to main menu.
Call
In case of incoming call, press this key to answer
the call.
During talk, press this key to hang up.
During monitoring, press this key to speak to
apartment VTO, villa VTO and fence station.
During speaking, press this key to exit speaking.
Monitor
In standby mode, press this key to monitor the
main VTO.
During monitoring, press this key to exit monitoring.
