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Dahua VTH5421 Series - Registration and Login

Dahua VTH5421 Series
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Interface Operation 77
Figure 6-42
Alternatively, select Info > Security Alarm, and the system displays Security Alarm interface,
as shown in Figure 6-43. All tab displays all alarm info of the system, whereas Unread tab
displays unread alarm info.
Press [Edit] to select the info; press [Delete] to delete the selected info.
Press [Clear] to delete all records after confirmation.
Figure 6-43
6.7.2 Guest Message
When a SD card is inserted into the device, this function is valid. All messages are stored

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