VTO, so corresponding VTO will be unlocked.
In standby mode, press this key to monitor the main VTO.
During monitoring, press this key to exit monitoring.
Press this key to return to main menu.
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 unit VTO, villa
VTO and fence station.
During speaking, press this key to exit speaking.
Press this key to call the Call Center in case of emergency.
Table 2-1
2.1.2 VTH5221E-H/VTH5221EW-H
VTH5221E-H/VTH5221EW-H is two types of digital VTH with handset. They are the same
except appearance color, as shown in Figure 2-2 and Figure 2-3.
Figure 2-2
The indicator light is normally on after power-on.
Pick up the handset, and dial pad will be displayed.
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