Dahua Technology VTH5421E Series User Manual

2
1.1.3 VTH5221D Series
Figure 1-3 Front panel
Table 1-1 Icon description
Icon Name Description
SOS Emergency call.
Call
●
Answer call.
●
During call, press to hang up.
●
During monitoring, press to speak to unit VTO, villa VTO,
fence station and verifying VTO.
●
During speaking, press to exit speaking.
Menu Go to main menu.
Monitor
●
In standby mode, press to monitor the main VTO.
●
During monitoring, press to exit monitoring.
Unlock
When calling, talking, monitoring and speaking to VTO, press to
unlock corresponding VTO.

Dahua Technology VTH5421E Series Specifications

General

Brand	Dahua Technology
Model	VTH5421E Series
Category	Conference System
Language	English