Dahua VTH5421 Series User Manual

Interface Operation 76
Figure 6-41
Select the device to be monitored, and press . Step 2
The system displays monitoring interface. In case of multiple devices in “Favorite” tab,
press / to switch and monitor them.
SOS 6.6
Please ensure that management center has been connected. Otherwise, it will fail to call.
In emergency, press button on the front panel, or press [SOS] at the main interface to call
management center.
Info 6.7
6.7.1 Security Alarm
All alarm info is stored in the device.
When an alarm is triggered, there will be 15s alarm sound. Pop up alarm prompt interface, as
shown in Figure 6-42, and upload the alarm info to alarm record interface and management
platform.

Dahua VTH5421 Series Specifications

General

Brand	Dahua
Model	VTH5421 Series
Category	Intercom System
Language	English