device in case of failure, and please contact after sales service.4.2.1 ScrewComponent Name Diagram QuantityM4×30 cross pan headmachine screw 2Chart 4-14.2.2 StepsSee Figure 4-2.Figure 4-2Step 1. Embed 86 box into wall.Step 2. Fix installation bracket on 86 box with two M4×30 cross pan head machine screws.Step 3. Fix device unit on installation unit with buckle.Note:During installation, the recommended distance from device center to ground is1.4m~1.6m.

General Introduction

Structure and Appearance

Rear Panel

Networking

Installation and Debug

Screw

Device Debug

Successfully Debug

Product Function

Setting

Alarm

Mode

General

Production

Contact

Recent Call

SOS Call

Favorite

Info

Default

Appendix 1 Technical Specification

Dahua VTH5221DW-C User Manual

safety instructions

Product Overview

Product Structure

VTH5221E-H/VTH5221EW-H

VTH15 Series Type A/B

VTH15 Series Type CH /VTH5222CH

VTH1660CH

VTH2221A

Rear Panel Port

VTH15 Series Type A/Type B/Type CH

Network Diagram

Digital System

Device Installation

Installation Requirement

Installation with 86 Box

Device Debugging

VTH Settings

Debugging Verification

Interface Operation

DND Settings

Alarm Setting

Mode Setting

Forward Setting

General Setting

time setting

display setting

password setting

other settings

Product Info

Project Settings

Network Settings

VTH Config

VTO Config

Call

Call User

Call from User

Call from VTO

Monitor

Monitoring of IPC

Guest Message

Video Pictures

Unlock Function

Disarm

DSS Mobile for VDP

Call Functions

Calling Operations

VTH5221D

VTH5221D-C

VTH5221DW

VTH5221DW-C