Dahua Technology DH-XVR42 AN-I Series User manual

AI Digital Video Recorder
User’s Manual
V2.0.0
ZHEJIANG DAHUA VISION TECHNOLOGY CO., LTD.

User’s Manual
II
Foreword
General
This user’s manual (hereinafter referred to be "the Manual") introduces the functions and operations
of the DVR devices (hereinafter referred to as "the Device"). Read carefully before using the device, and
keep the manual safe for future reference.
Safety Instructions
The following signal words might appear in the manual.
Signal Words
Meaning
DANGER
Indicates a high potential hazard which, if not avoided, will result
in death or serious injury.
WARNING
Indicates a medium or low potential hazard which, if not avoided,
could result in slight or moderate injury.
CAUTION
Indicates a potential risk which, if not avoided, could result in
property damage, data loss, lower performance, or unpredictable
result.
TIPS
Provides methods to help you solve a problem or save you time.
NOTE
Provides additional information as the emphasis and supplement
to the text.
Revision History
Version
Revision Content
Release Time
V2.0.0
Added DH-XVR42xxAN-I(V2.0).
Added smart illumination as alarm linkage.
Added schedule mode for AI functions.
Added IVS mode switch.
Added disabling event notifications in
disarming.
Added sensitivity for IVS settings.
Updated disk quota.
Supports safety baseline 2.0.
April 2022
V1.2.1
Updated AI mode switch.
Added intelligent diagnosis.
Updated alarm-in port settings.
Updated password resetting.
December 2021

User’s Manual
III
Version
Revision Content
Release Time
V1.2.0 Added some models. October 2021
V1.1.0 Added DH-XVR4232AN-I. July 2021
V1.0.11 Added DH-XVR5816S-4KL-I2-LP and DH-
XVR7816S-4KL-X-LP-V2.
May 2021
V1.0.10 Deleted the video quality analytics function. April 2021
V1.0.9 Added some models. February 2021
V1.0.8 Added some models. November 2020
V1.0.7 Added some models. September 2020
V1.0.6 Added some models. May 2020
V1.0.5 Updated to 4.0 UI version. February 2020
V1.0.4
Added disarm function, HDD database function,
and SMD preview function.
Optimizes Smart Search function, available to
filtering human and vehicle.
September 2019
V1.0.0 First release. October 2018
Privacy Protection Notice
As the device user or data controller, you might collect the personal data of others such as their face,
fingerprints, and license plate number. You need to be in compliance with your local privacy protection
laws and regulations to protect the legitimate rights and interests of other people by implementing
measures which include but are not limited: Providing clear and visible identification to inform people
of the existence of the surveillance area and provide required contact information.
About the Manual
The manual is for reference only. Slight differences might be found between the manual and the
product.
We are not liable for losses incurred due to operating the product in ways that are not in
compliance with the manual.
The manual will be updated according to the latest laws and regulations of related jurisdictions.
For detailed information, see the paper user’s manual, use our CD-ROM, scan the QR code or visit
our official website. The manual is for reference only. Slight differences might be found between
the electronic version and the paper version.
All designs and software are subject to change without prior written notice. Product updates
might result in some differences appearing between the actual product and the manual. Please
contact customer service for the latest program and supplementary documentation.

User’s Manual
IV
There might be errors in the print or deviations in the description of the functions, operations and
technical data. If there is any doubt or dispute, we reserve the right of final explanation.
Upgrade the reader software or try other mainstream reader software if the manual (in PDF
format) cannot be opened.
All trademarks, registered trademarks and company names in the manual are properties of their
respective owners.
Please visit our website, contact the supplier or customer service if any problems occur while
using the device.
If there is any uncertainty or controversy, we reserve the right of final explanation.

User’s Manual
V
Important Safeguards and Warnings
This chapter describes the contents covering proper handling of the Device, hazard prevention, and
prevention of property damage. Read carefully before using the device, and comply with the
guidelines when using it.
Operation Requirements
Do not place or install the Device in a place exposed to sunlight or near the heat source.
Keep the Device away from dampness, dust or soot.
Keep the Device installed horizontally on the stable place to prevent it from falling.
Wall-mounting is not supported.
Do not drop or splash liquid onto the Device, and make sure there is no object filled with liquid
on the Device to prevent liquid from flowing into the Device.
Install the Device in a well-ventilated place, and do not block the ventilation of the Device.
Operate the device within the rated range of power input and output.
Do not dissemble the Device.
Transport, use and store the Device under the allowed humidity and temperature conditions.
Electrical Safety
Use the battery of specified manufacturer; otherwise there might result in explosion. When
replacing battery, make sure the same type is used. Improper battery use might result in fire,
explosion, or inflammation.
Follow the instructions to dispose of the used battery.
Use the recommended power cables in the region and conform to the rated power specification.
Use the power adapter provided with the Device, or adapter meets the LPS standard; otherwise,
it might result in people injury and device damage.
The power supply must conform to the requirements of ES1 in IEC 62368-1 standard and be no
higher than PS2. Note that the power supply requirements are subject to the device label.
Connect the device (I-type structure) to the power socket with protective earthing.
The appliance coupler is a disconnection device. When using the coupler, keep the angle for easy
operation.

User’s Manual
VI
Table of Contents
Foreword...........................................................................................................................................................................II
Important Safeguards and Warnings..........................................................................................................................V
1 Introduction..................................................................................................................................................................1
Overview ....................................................................................................................................................................................... 1
Functions....................................................................................................................................................................................... 1
2 Getting Started ............................................................................................................................................................3
Checking the Components .................................................................................................................................................... 3
Installing HDD ............................................................................................................................................................................. 3
2.2.1 DH-XVR42xxAN-I/DH-XVR42xxAN-I(V2.0)/DH-XVR52xxA-I2/DH-XVR52xxA-I3/DH-XVR52xxA-4KL-
I2/DH-XVR52xxA-4KL-I3/DH-XVR52xxAN-I2/DH-XVR52xxAN-I3/DH-XVR52xxAN-4KL-I2/DH-
XVR52xxAN-4KL-I3/DH-XVR72xxA-4K-I2/DH-XVR72xxA-4KL-I/DH-XVR7216AN-4K-I2/DH-XVR82xxA-
4K-I/DH-XVR82xxA-4KL-I....................................................................................................................................................... 4
2.2.2 DH-XVR58xxS-I2/DH-XVR58xxS-4KL-I2/DH-XVR58xxS-4KL-I2-LP/DH-XVR78xxS-4K-I2/DH-
XVR78xxS-4KL-X-LP-V2/DH-XVR88xxS-4KL-I/................................................................................................................ 6
2.2.3 DH-XVR54xxL-I2/DH-XVR54xxL-4KL-I2/DH-XVR74xxL-4K-I2......................................................................... 8
2.2.4 DH-XVR1Bxx-I/DH-XVR1BxxH-I/DH-XVR41xxC-I/DH-XVR41xxHS-I/DH-XVR51xxH-I/DH-
XVR51xxH-I2/DH-XVR51xxH-I3/DH-XVR51xxH-4KL-I2/DH-XVR51xxH-4KL-I3/DH-XVR51xxHE-I2/DH-
XVR51xxHE-I3/DH-XVR51xxHE-4KL-I2/DH-XVR51xxHE-4KL-I3/DH-XVR51xxHS-I2/DH-XVR51xxHS-
I3/DH-XVR51xxHS-4KL-I2/DH-XVR51xxHS-4KL-I3/DH-XVR71xxH-4K-I2/DH-XVR71xxHE-4KL-I/DH-
XVR71xxHE-4K-I2...................................................................................................................................................................10
2.2.5 DH-XVR51xxC-I3/DH-XVR51xxC-4KL-I3..............................................................................................................12
3 The Grand Tour...........................................................................................................................................................15
Front Panel..................................................................................................................................................................................15
3.1.1 DH-XVR51xxH-I............................................................................................................................................................15
3.1.2 DH-XVR71xxH-4K-I2/DH-XVR71xxHE-4K-I2/DH-XVR71xxHE-4KL-I...........................................................15
3.1.3 DH-XVR72xxA-4KL-I/DH-XVR72xxAN-4K-I2.......................................................................................................16
3.1.4 DH-XVR82xxA-4K-I/DH-XVR82xxA-4KL-I ............................................................................................................16
3.1.5 DH-XVR41xxC-I/DH-XVR41xxHS-I/DH-XVR42xxAN-I/DH-XVR42xxAN-I(V2.0)/DH-XVR51xxH-
I2/DH-XVR51xxH-I3/DH-XVR51xxH-4KL-I2/DH-XVR51xxH-4KL-I3/DH-XVR51xxHE-I2/DH-XVR51xxHE-
I3/DH-XVR51xxHE-4KL-I2/DH-XVR51xxHE-4KL-I3/DH-XVR51xxHS-I2/DH-XVR51xxHS-I3/DH-
XVR51xxHS-4KL-I2/DH-XVR51xxHS-4KL-I3/DH-XVR52xxA-I2/DH-XVR52xxA-I3/DH-XVR52xxA-4KL-
I2/DH-XVR52xxA-4KL-I3/DH-XVR52xxAN-I2/DH-XVR52xxAN-I3/DH-XVR52xxAN-4KL-I2/DH-
XVR52xxAN-4KL-I3 ................................................................................................................................................................17
3.1.6 DH-XVR78xxS-4K-I2/DH-XVR78xxS-4KL-X-LP-V2/DH-XVR88xxS-4KL-I....................................................18
3.1.7 DH-XVR74xxL-4K-I2....................................................................................................................................................18
3.1.8 DH-XVR54xxL-I2/DH-XVR54xxL-4KL-I2................................................................................................................19
3.1.9 DH-XVR58xxS-I2/DH-XVR58xxS-4KL-I2/DH-XVR58xxS-4KL-I2-LP .............................................................19
3.1.10 DH-XVR1Bxx-I/DH-XVR1BxxH-I............................................................................................................................19
3.1.11 DH-XVR51xxC-I3/DH-XVR51xxC-4KL-I3............................................................................................................20
Rear Panel ...................................................................................................................................................................................21

User’s Manual
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3.2.1 DH-XVR51xxH-I/DH-XVR51xxH-I2/DH-XVR51xxH-I3/DH-XVR51xxH-4KL-I2/DH-XVR51xxH-4KL-
I3/DH-XVR51xxHE-I2/DH-XVR51xxHE-I3/DH-XVR51xxHE-4KL-I2/DH-XVR51xxHE-4KL-I3/DH-
XVR71xxH-4K-I2/DH-XVR71xxHE-4K-I2/DH-XVR71xxHE-4KL-I.............................................................................21
3.2.2 DH-XVR41xxC-I/DH-XVR41xxHS-I/DH-XVR51xxHS-I2/DH-XVR51xxHS-I3/DH-XVR51xxHS-4KL-
I2/DH-XVR51xxHS-4KL-I3....................................................................................................................................................22
3.2.3 DH-XVR52xxA-I2/DH-XVR52xxA-I3/DH-XVR52xxA-4KL-I2/DH-XVR52xxA-4KL-I3/DHXVR42xxAN-
I/DH-XVR42xxAN-I(V2.0)/DH-XVR52xxAN-I2/DH-XVR52xxAN-I3/DH-XVR52xxAN-4KL-I2/DH-
XVR52xxAN-4KL-I3/DH-XVR72xxA-4K-I2/DH-XVR72xxA-4KL-I/DH-XVR72xxAN-4K-I2................................23
3.2.4 DH-XVR82xxA-4K-I/DH-XVR82xxA-4KL-I ............................................................................................................24
3.2.5 DH-XVR58xxS-I2/DH-XVR58xxS-4KL-I2/DH-XVR78xxS-4K-I2/DH-XVR88xxS-4KL-I.............................26
3.2.6 DH-XVR58xxS-4KL-I2-LP/DH-XVR78xxS-4KL-X-LP-V2....................................................................................28
3.2.7 DH-XVR54xxL-I2/DH-XVR54xxL-4KL-I2/DH-XVR74xxL-4K-I2.......................................................................29
3.2.8 DH-XVR1Bxx-I/DH-XVR1BxxH-I..............................................................................................................................31
3.2.9 DH-XVR51xxC-I3/DH-XVR51xxC-4KL-I3..............................................................................................................32
Remote Control Operations .................................................................................................................................................32
Mouse Operations ...................................................................................................................................................................34
4 Connection .................................................................................................................................................................36
Typical Connection Diagram................................................................................................................................................36
Connecting to Video and Audio Input and Output.....................................................................................................36
4.2.1 Video Input....................................................................................................................................................................36
4.2.2 Video Output ................................................................................................................................................................37
4.2.3 Audio Input ...................................................................................................................................................................37
4.2.4 Audio Output ...............................................................................................................................................................37
Connecting to Alarm Input and Output..........................................................................................................................38
4.3.1 Introducing Alarm Port.............................................................................................................................................38
4.3.2 Alarm Input ...................................................................................................................................................................39
4.3.3 Alarm Output ...............................................................................................................................................................39
4.3.4 Alarm Output Relay Parameters............................................................................................................................39
5 Local Configurations.................................................................................................................................................41
Initial Settings............................................................................................................................................................................41
5.1.1 Booting up.....................................................................................................................................................................41
5.1.2 Initializing the Device................................................................................................................................................41
5.1.3 Resetting Password....................................................................................................................................................45
5.1.4 Setting Up with the Startup Wizard.....................................................................................................................52
Live View......................................................................................................................................................................................69
5.2.1 Live View Screen..........................................................................................................................................................69
5.2.2 Live View Control bar.................................................................................................................................................70
5.2.3 Navigation Bar..............................................................................................................................................................74
5.2.4 Shortcut Menu.............................................................................................................................................................75
5.2.5 AI Preview Mode .........................................................................................................................................................76
5.2.6 Channel Sequence .....................................................................................................................................................78
5.2.7 Color Setting.................................................................................................................................................................80
5.2.8 Live View Display.........................................................................................................................................................82
5.2.9 Configuring Tour Settings........................................................................................................................................85
5.2.10 Quick Operation Bar................................................................................................................................................88

User’s Manual
VIII
Entering Main Menu ...............................................................................................................................................................90
Controlling PTZ Cameras.......................................................................................................................................................92
5.4.1 Configuring PTZ Connection Settings ................................................................................................................92
5.4.2 Working with PTZ Control Panel ...........................................................................................................................93
5.4.3 Configuring PTZ Functions .....................................................................................................................................95
5.4.4 Calling PTZ Functions................................................................................................................................................98
5.4.5 Calling OSD Menu.......................................................................................................................................................99
Configuring Camera Settings ........................................................................................................................................... 100
5.5.1 Configuring Image Settings................................................................................................................................. 100
5.5.2 Configuring Encode Settings .............................................................................................................................. 103
5.5.3 Configuring Snapshot Settings .......................................................................................................................... 105
5.5.4 Configuring Encode Enhancement................................................................................................................... 107
5.5.5 Configuring Overlay Settings.............................................................................................................................. 107
5.5.6 Configuring Covered Area Settings .................................................................................................................. 108
5.5.7 Configuring Channel Type.................................................................................................................................... 109
5.5.8 Upgrading Coaxial Camera .................................................................................................................................. 110
Configuring Remote Devices............................................................................................................................................ 111
5.6.1 Adding Remote Devices........................................................................................................................................ 111
5.6.2 Managing Remote Devices .................................................................................................................................. 123
Configuring Record Settings............................................................................................................................................. 125
5.7.1 Enabling Record Control ....................................................................................................................................... 126
5.7.2 Configuring Recorded Video Storage Schedule........................................................................................... 127
Configuring Snapshot Settings........................................................................................................................................ 127
5.8.1 Configuring Snapshot Trigger............................................................................................................................. 127
5.8.2 Configuring Snapshot Storage Schedule ....................................................................................................... 129
5.8.3 Backing up Snapshots to FTP.............................................................................................................................. 129
Playing Back Video................................................................................................................................................................ 130
5.9.1 Enabling Record Control ....................................................................................................................................... 130
5.9.2 Instant Playback ....................................................................................................................................................... 131
5.9.3 Video Playback.......................................................................................................................................................... 131
5.9.4 Smart Search.............................................................................................................................................................. 138
5.9.5 Showing AI Rule during Playback...................................................................................................................... 138
5.9.6 Marking and Playing Back Video........................................................................................................................ 139
5.9.7 Playing Back Snapshots......................................................................................................................................... 142
5.9.8 Playing Back Splices................................................................................................................................................ 142
5.9.9 Using the File List..................................................................................................................................................... 143
Alarm Events Settings....................................................................................................................................................... 144
5.10.1 Alarm Information................................................................................................................................................. 144
5.10.2 Alarm Input Settings ............................................................................................................................................ 145
5.10.3 Alarm Output Settings ........................................................................................................................................ 151
5.10.4 Video Detection ..................................................................................................................................................... 155
5.10.5 System Events......................................................................................................................................................... 162
5.10.6 Configuring Disarming........................................................................................................................................ 165
AI Function............................................................................................................................................................................ 166
5.11.1 Configuring AI Mode............................................................................................................................................ 166

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IX
5.11.2 For Pro AI Series ..................................................................................................................................................... 166
5.11.3 For Lite AI Series..................................................................................................................................................... 204
5.11.4 Configuring IVS Mode ......................................................................................................................................... 240
5.11.5 Configuring Smart Schedule............................................................................................................................. 241
IoT Function .......................................................................................................................................................................... 242
5.12.1 Configuring Sensor Settings ............................................................................................................................. 242
5.12.2 Configuring Temperature and Humidity Camera...................................................................................... 249
5.12.3 Configuring Wireless Siren................................................................................................................................. 260
Configuring POS Settings................................................................................................................................................ 260
5.13.1 Searching the Transaction Records ................................................................................................................ 261
5.13.2 Configuring POS Settings................................................................................................................................... 261
Configuring Backup Settings ......................................................................................................................................... 263
5.14.1 Finding USB Device .............................................................................................................................................. 263
5.14.2 Backing up Files ..................................................................................................................................................... 264
Network Management ..................................................................................................................................................... 265
5.15.1 Configuring Network Settings.......................................................................................................................... 265
5.15.2 Configuring Network Testing Settings .......................................................................................................... 282
Configuring Account Settings ....................................................................................................................................... 285
5.16.1 Configuring User Account.................................................................................................................................. 286
5.16.2 Configuring Group Account.............................................................................................................................. 291
5.16.3 Configuring ONVIF Users.................................................................................................................................... 295
Audio Management........................................................................................................................................................... 296
5.17.1 Configuring Audio Files....................................................................................................................................... 296
5.17.2 Configuring Playing Schedule for Audio Files ............................................................................................ 297
Storage Management ....................................................................................................................................................... 298
5.18.1 Configuring Basic Settings................................................................................................................................. 298
5.18.2 Configuring the Recording and Snapshot Schedule ............................................................................... 299
5.18.3 Configuring Disk Manager................................................................................................................................. 299
5.18.4 Configuring Record .............................................................................................................................................. 301
5.18.5 Configuring Advance Settings ......................................................................................................................... 301
5.18.6 Configuring Disk Quota ...................................................................................................................................... 303
5.18.7 Configuring HDD Detecting Settings ............................................................................................................ 306
5.18.8 Configuring Record Estimate............................................................................................................................ 308
5.18.9 Configuring FTP Storage Settings................................................................................................................... 310
Security Center .................................................................................................................................................................... 312
5.19.1 Security Status........................................................................................................................................................ 312
5.19.2 System Service........................................................................................................................................................ 313
5.19.3 Attack Defense ....................................................................................................................................................... 317
5.19.4 CA Certificate .......................................................................................................................................................... 321
5.19.5 Audio/Video Encryption ..................................................................................................................................... 324
5.19.6 Security Warning ................................................................................................................................................... 326
Configuring System Settings.......................................................................................................................................... 329
5.20.1 Configuring General System Settings............................................................................................................ 329
5.20.2 Configuring RS-232 Settings............................................................................................................................. 330
5.20.3 Configuring System Maintenance Settings................................................................................................. 331

User’s Manual
X
5.20.4 Exporting and Importing System Settings .................................................................................................. 332
5.20.5 Restoring Default Settings................................................................................................................................. 334
5.20.6 Updating the Device ............................................................................................................................................ 335
5.20.7 Exporting Intelligent Diagnosis Data............................................................................................................. 338
Viewing Information.......................................................................................................................................................... 338
5.21.1 Viewing Version Details....................................................................................................................................... 338
5.21.2 Viewing Log Information.................................................................................................................................... 338
5.21.3 Viewing Event Information ................................................................................................................................ 340
5.21.4 Viewing Network Information .......................................................................................................................... 341
5.21.5 Viewing HDD Information.................................................................................................................................. 343
5.21.6 Viewing Channel Information........................................................................................................................... 344
5.21.7 Viewing Data Stream Information................................................................................................................... 345
Logging out of the Device............................................................................................................................................... 346
6 Web Operations ...................................................................................................................................................... 347
Connecting to Network ...................................................................................................................................................... 347
Logging in to the Web......................................................................................................................................................... 347
Introducing Web Main Menu............................................................................................................................................ 348
Viewing Open-source Software Notice......................................................................................................................... 349
7 FAQ ............................................................................................................................................................................ 351
Glossary ................................................................................................................................................. 357
HDD Capacity Calculation.................................................................................................................. 359
Compatible Backup Devices.............................................................................................................. 361
Appendix 3.1 Compatible USB List........................................................................................................................................ 361
Appendix 3.2 Compatible SD Card List................................................................................................................................ 362
Appendix 3.3 Compatible Portable HDD List .................................................................................................................... 362
Appendix 3.4 Compatible USB DVD List.............................................................................................................................. 362
Appendix 3.5 Compatible SATA DVD List............................................................................................................................ 363
Appendix 3.6 Compatible SATA HDD List ........................................................................................................................... 363
Compatible CD/DVD Burner List....................................................................................................... 368
Compatible Displayer List .................................................................................................................. 369
Compatible Switcher........................................................................................................................... 370
Earthing ................................................................................................................................................. 371
Appendix 7.1 What is the Surge.............................................................................................................................................. 371
Appendix 7.2 The Earthing Modes ........................................................................................................................................ 372
Appendix 7.3 Thunder Proof Ground Method in the Monitor System..................................................................... 373
Appendix 7.4 The Shortcut Way to Check the Electric System by Digital Multimeter........................................ 374
RJ45-RS232 Connection Cable Definition....................................................................................... 377
Cybersecurity Recommendations .................................................................................................... 379

User’s Manual
1
1Introduction
Overview
The Device is an excellent digital monitor product for security industry. The embedded LINUX OS
assures the stable operation. The H.265 and G.711 technologies assure the high quality image and low
bit stream. The frame-by-frame play function displays more details for analysis, and provides the
functions such as record, playback, and monitor and assures the synchronization for audio and video.
The Device also adopts the advanced control technology and great network data transmission
capability.
The Device adopts embedded design to achieve high security and reliability. It can work in the local
end and, with strong networking capability it can get connected to the professional surveillance
software (Smart PSS) to form a security network to show its powerful remote monitoring function.
The Device is applicable to the areas such as bank, telecom, electricity, traffic, intelligent residential
district, factory, warehouse, resources, and water conservancy facilities.
Functions
The functions might be different depending on the software and hardware versions of the model you
purchased.
AI Function
Support face detection that analyzes the attributes such as age, gender, glasses, beard, mask, and
then make structured of these data to store for quick search.
Support face recognition that compares the captured face snapshot with the face database and
link the configured alarms (face detection should be enabled).
Support searching by picture that is convenient for finding the target picture from database.
Support 16 channel IVS function that includes tripwire and intrusion detection. The IVS function
can avoid wrong alarms by filtering the factors such as rains, light, and animals.
Calculate the quantity of detected humans within 24 hours.
Detect the vehicles passing by within 24 hours.
Real-time Surveillance
Support VGA port and HDMI port to realize the surveillance through monitors.
Support HDMI, VGA, and TV output at the same time.
IoT Management
Provide specific management module for IoT features including humidity and temperature data
reports and alarms linkage.
Sensor Integration
Integrate coaxial cameras with diverse array of sensors such as temperature, humidity and wireless
alarm devices.

User’s Manual
2
Storage Management
Special data format to guarantee data security and avoid the risk of modifying data viciously.
Support digital watermark.
Compression Format
Support multiple-channel audio and video signal. An independent hardware decodes the audio and
video signal from each channel to maintain video and audio synchronization.
Backup Function
Support backup operation through USB port (such as USB storage disk, portable HDD, and
burner).
Client-end user can download the file from local HDD through network to backup.
Record & Playback
Support each channel real-time record independently, and simultaneously support the functions
such as search, backward play, network monitor, record search, and download.
Support various playback modes: slow play, fast play, backward play and frame by frame play.
Support time title overlay so that you can view event accurate occurred time.
Support zooming in the selected area in the live view.
Network Operation
Support network remote real-time monitor, remote record search and remote PTZ control.
Alarm Activation
Several relay alarm outputs to realize alarm activation and on-site light control.
The alarm input port and output port have the protection circuit to guarantee the Device safety.
Communication Port
RS-485 port can realize alarm input and PTZ control.
RS-232 port can connect to keyboard, COM port of PC or the matrix control.
Standard Ethernet port can realize network remote access function.
The dual-network port has the multi-address, fault tolerance, load balance setup mode.
PTZ Control
Support PTZ decoder through RS-485 port.
Intelligent Operation
Support mouse operation function.
Support "copy and paste" function for the same settings.
UPnP (Universal Plug and Play)
Establish mapping connection between LAN and WAN through UPnP protocol.
Camera Self-adaptive
Auto-recognize and work with the PAL or NTSC camera and HD camera.

User’s Manual
3
2Getting Started
Checking the Components
The actual appearance, component, or quantity might be different depending on the model you
purchased.
When you receive the Device, check against the following checking list. If any of the items are missing
or damaged, contact the local retailer or after-sales engineer immediately.
Table 2-1 Checking list
No.
Checking Items
Requirements
1 Package
Appearance No obvious damage.
Packing materials
No broken or distorted positions that
could be caused by hit.
2 Labels Labels on the device
Not torn up.
Do not tear up or throw away the labels;
otherwise the warranty services are not
ensured. You need to provide the serial
number of the product when you call
the after-sales service.
3 Device
Appearance No obvious damage.
Data cables, power
cables, fan cables,
mainboard
No connection loose.
Installing HDD
Check whether the HDD is already installed in the Device when you first time using the Device. We
recommend you to use the HDD recommended officially. Do not use the PC HDD.
Shut down the device and then unplug the power cable before you open the case to replace the
HDD.

User’s Manual
4
2.2.1 DH-XVR42xxAN-I/DH-XVR42xxAN-I(V2.0)/DH-XVR52xxA-I2/DH-
XVR52xxA-I3/DH-XVR52xxA-4KL-I2/DH-XVR52xxA-4KL-I3/DH-
XVR52xxAN-I2/DH-XVR52xxAN-I3/DH-XVR52xxAN-4KL-I2/DH-
XVR52xxAN-4KL-I3/DH-XVR72xxA-4K-I2/DH-XVR72xxA-4KL-I/DH-
XVR7216AN-4K-I2/DH-XVR82xxA-4K-I/DH-XVR82xxA-4KL-I
Remove the screws to take off the cover.
Remove screws
Put two screws on the HDD and twist one turn.
Put screws
Align the two screws with the holes on the device.
Align screws

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5
Turn the device and put in the other two screws, and then fasten all screws to fix the HDD to
the device.
Fasten screws
Use power cable and data cable to connect the device and HDD.
Connect cables
Put back the cover and fasten the screws.
Put back cover

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2.2.2 DH-XVR58xxS-I2/DH-XVR58xxS-4KL-I2/DH-XVR58xxS-4KL-I2-
LP/DH-XVR78xxS-4K-I2/DH-XVR78xxS-4KL-X-LP-V2/DH-XVR88xxS-
4KL-I/
Remove the screws from the chassis.
Remove screws
Take off the cover of the chassis.
Take off cover
Remove the screws from the drive bracket to take it off.
Take off drive bracket
Align the four screw holes on the disk to those on the drive bracket and fix the disk on the
bracket.
Fix disk

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Fix other disks on the bracket as needed.
Fix other disks
Fix the two drive brackets.
This is only needed on models with 8 bays.
Fix drive brackets
Put the drive brackets back and fix them in the DVR.
Put back drive bracket
Connect the disks and the DVR with power cable and data cable.
The following figure shows the connection of 4-bay model for example.

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8
Connect cables
Put the cover back and fasten the screws.
Put back cover
2.2.3 DH-XVR54xxL-I2/DH-XVR54xxL-4KL-I2/DH-XVR74xxL-4K-I2
Remove the fixing screws from the rear panel.
Remove screws
Remove the cover along the direction shown in the following arrow.
Remove cover
Remove the screws on the sides of HDD bracket to take out the bracket.
For the way to remove the bracket, see the following figure.

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9
Remove bracket
Match the four screw holes on the HDD with the four holes on the bracket and then fasten
the screws. The HDD is fixed to the bracket.
Fix HDD
Install the other HDDs.
Install other HDDs
Place the bracket to the device and then fasten the screws on the sides of the bracket.
Fasten screws
Connect the HDD data cable and power cable to the device.

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10
Connect cables
Put back the cover and fasten the screws on the rear panel to complete the installation.
Put back cover
2.2.4 DH-XVR1Bxx-I/DH-XVR1BxxH-I/DH-XVR41xxC-I/DH-
XVR41xxHS-I/DH-XVR51xxH-I/DH-XVR51xxH-I2/DH-XVR51xxH-
I3/DH-XVR51xxH-4KL-I2/DH-XVR51xxH-4KL-I3/DH-XVR51xxHE-
I2/DH-XVR51xxHE-I3/DH-XVR51xxHE-4KL-I2/DH-XVR51xxHE-4KL-
I3/DH-XVR51xxHS-I2/DH-XVR51xxHS-I3/DH-XVR51xxHS-4KL-I2/DH-
XVR51xxHS-4KL-I3/DH-XVR71xxH-4K-I2/DH-XVR71xxHE-4KL-I/DH-
XVR71xxHE-4K-I2
Remove the screws on the cover.