Dahua VTH2221A Quick Start Guide

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Call VTH Figure 2-18
2.3.2 VTH Monitors VTO
VTH is able to monitor VTO, fence station or IPC. Take “VTO” for example.
Select “Monitor > Door”, as shown in Figure 2-19. Select the VTO to enter monitoring image, as
shown in Figure 2-20.
The following figure means that SD card has been inserted into VTH. If SD card is not inserted,
recording and snapshot icons are gray.
VTH monitors VTO (1) Figure 2-19

Dahua VTH2221A Specifications

General

Brand	Dahua
Model	VTH2221A
Category	Intercom System
Language	English