Vth5221D Series - Dahua Technology VTH2421F Series User Manual

1.1.3 VTH5221D Series

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