Dahua VTH5421 Series User Manual

Interface Operation 42
Figure 6-5
Press and to set the time or volume. Press to enable “Ring Step 4
Mute”, and the icon becomes .
 VTO ring time: ring time when VTO calls VTH.
 VTH ring time: ring time when another VTH calls this VTH.
6.2.2 DND Settings
Set to avoid incoming calls within a time period.
 DND function is not enabled by default.
 Under DND mode, there is no call reminder when VTH is called, but call info is recorded.
 Parameters at this interface are set on master VTH only, and extension VTH synchronizes
with master VTH.
Press [Setting]. Step 1
The system pops up “Password” prompt box.
Input login password and press [OK]. Step 2
Default login password is 123456. Please refer to “6.2.6.3 Password Setting“ for
details.
Press [DND]. Step 3
The system displays “DND Settings” interface, as shown in Figure 6-6.

Dahua VTH5421 Series Specifications

General

Brand	Dahua
Model	VTH5421 Series
Category	Intercom System
Language	English