X72B2A - Surveillance Camera Dahua Technology - Free user manual and instructions
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USER MANUAL X72B2A Dahua Technology
Thank you for purchasing our Digital Video Recorder (DVR).
This Quick Start Guide (hereinafter referred to be "the Guide") will help you become familiar with our DVR in a short time. Please read the Guide carefully before starting using your DVR and properly keep it for future reference.
Important Safeguards and Warnings
Operation Requirement
- 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.
- 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
- Improper battery use might result in fire, explosion, or inflammation.
- When replacing battery, make sure the same model is used.
- Use the recommended power cables in the region and conform to the rated power specification.
- Use the power adapter provided with the Device; otherwise, it might result in people injury and device damage.
- The power source shall conform to the requirement of the Safety Extra Low Voltage (SELV) standard, and supply power with rated voltage which conforms to Limited power Source requirement according to IEC60950-1. Please note that the power supply requirement is 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.
Safety Instructions
The following categorized signal words with defined meaning might appear in the Guide.
| Signal Words | Meaning |
![]() | Indicates a potential risk which, if not avoided, could result in property damage, data loss, lower performance, or unpredictable result. |
| NOTE | Provides additional information as the emphasis and supplement to the text. |
Privacy Protection Notice
As the device user or data controller, you might collect personal data of others' such as face, fingerprints, car plate number, Email address, phone number, GPS and so on. You need to be in compliance with the local privacy protection laws and regulations to protect the legitimate rights and interests of other people by implementing measures include but not limited to: providing clear and visible identification to inform data subject the existence of surveillance area and providing related contact.
About the Guide
- The Manual is for reference only. If there is inconsistency between the Guide and the actual product, the actual product shall prevail.
• We are not liable for any loss caused by the operations that do not comply with the Guide.
- The Guide would be updated according to the latest laws and regulations of related regions. For detailed information, see the paper User's Manual, CD-ROM, QR code or our official website. If there is inconsistency between paper User's Manual and the electronic version, the electronic version shall prevail.
- All the designs and software are subject to change without prior written notice. The product updates might cause some differences between the actual product and the Guide. Please contact the customer service for the latest program and supplementary documentation.
- There still might be deviation in technical data, functions and operations description, or errors in print. If there is any doubt or dispute, please refer to our final explanation.
- Upgrade the reader software or try other mainstream reader software if the Guide (in PDF format) cannot be opened.
- All trademarks, registered trademarks and the company names in the Guide are the properties of their respective owners.
- Please visit our website, contact the supplier or customer service if there is any problem occurred when using the device.
- If there is any uncertainty or controversy, please refer to our final explanation.
Table of Contents
Foreword ...... I
1 Quick Start .... 1
1.1 Unpacking the Accessories.... 1
1.2 Checking the Components.... 1
1.3 Installing Hard Disk Drive (HDD) 2
1.4 Booting up 2
2 The Grand Tour for Rear Panel .... 3
3 Local Configurations....4
3.1 Initializing DVR....4
3.2 Configuring Recording Storage Schedule 5
3.3 Playing Recorded Video 5
3.4 Configuring P2P Settings....6
3.4.1 Entering P2P Interface....6
3.4.2 Adding DVR into Cell Phone Client 7
3.5 Logout 8
4 Web Login 9
NOTE
The actual appearance or quantity might be different depending on the model you purchased.
Unpacking the Accessories 1.1

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Collection of electronic devices including power, charging cable, network, computer mouse, and plastic-wrapped packages (no visible text or symbols)Checking the Components 1.2
When you receive the DVR, please check against the following checking list. If any of the items are missing or damaged, contact the local retailer or after-sales engineer immediately.
| Sequence | Checking items | Requirement | |
| 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. ⚙NOTEDo 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 calling the after-sales service. |
| 3 | Device | Appearance | No obvious damage. |
| Data cables, power cables, fan cables, and mainboard | No loose connection. | ||
Installing Hard Disk Drive (HDD) 1.3
NOTE
- Please use the recommended HDD from the manufacturer.
- Shut down the DVR and unplug the power cable before opening the cover to replace the HDD.

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5.8 1 2 3 4 A/D DC10V -1.0Ω 53- Remove the screws to take off the cover.

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Internal view of a computer drive showing internal components and circuit board (no text or symbols visible)- Fix the screws onto the HDD but do not fasten them.

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Close-up of a hard drive showing its internal label and status bar, with visible brand and model text.- Put the HDD into the DVR.

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Close-up of a white electronic device with multiple black and white components, no visible text or symbols- Turn the DVR to see the back side of it. Aim the screws of the HDD at the holes on the back of the DVR, and then fasten the screws.

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Close-up of an electrical meter with red and yellow wires connected to a blue cable (no visible text or symbols)- Use the HDD cable and power cable to connect HDD and mainboard.

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Black rectangular electronic device with a flat top and a flat base (no visible text or symbols)- Put back the cover and fasten the screws.
Booting up 1.4

CAUTION
Ensure the input voltage corresponds to the power requirement of the DVR.
____ Connect the DVR to a display. Step 1
Plug in the power cable to the DVR. Step 2
____ Press the power button to turn on the DVR. The power indicator glows. On the Step 3 connected display, the live view screen is displayed.
The following figure shows the rear panel of model with 16 video input ports (as an example).
Rear panel Figure 2-1

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1 2 3 4 5 6 7 8 9 10 11 12 13 VDD 0.01 VDD 0.02 HDMI A/8 ON OFF A/8 A/8 A/8 A/8 A/8 A/8 A/8 A/8 A/8 A/8 A/8 A/8 A/8 A/8 A/8 A/8 A/8 A/8 A/8 A/8 A/8 A/8 A/8 A/8 A/8 A/4 A/4 A/4 A/4 A/4 A/4 A/4 A/4 A/4 A/4 A/4 A/4 A/4 A/4 A/4 A/4 A/4 A/4 A/4 A/4 A/4 A/4Table 2-1 Port description
| No. | Port Name | No. | Port Name | No. | Port Name |
| 1 | Ground | 6 | HDMI port | 11 | VGA port |
| 2 | Alarm input/output port, ground | 7 | USB port | 12 | Power button |
| 3 | Video input port | 8 | Network port | 13 | Power cable fastener |
| 4 | Audio input port | 9 | RS485 communication port | — | — |
| 5 | Audio output port | 10 | Power input port | — | — |
NOTE
- The interfaces in the Guide are used for introducing the operations and only for reference. The actual product shall govern.
- For details about operations of the DVR, see User's Manual.
- To enter the Main Menu, right-click on the live view screen to display the shortcut menu, and then click Main Menu and login the system.
Initializing DVR 3.1
When booting up for the first time, the Device Initialization interface is displayed, see Figure 3-1. You need to configure the password information for the admin (by default). If needed, you can also configure the unlock pattern and password protection mode (see Table 3-1).
NOTE
- The new password can be set from 8 characters through 32 characters and contains at least two types from number, letter, and special characters (excluding "", "", ";", ":" and "&"). Please enter a strong password according to the password strength bar indication.
- To secure your DVR, it is strongly recommended to properly keep the password for admin and modify it periodically.
Device initialization Figure 3-1

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Device Initialization 1. Enter Password → 2. Unlock Pattern → 3. Password Protection User admin Password Use a password that has 8 to 32 characters, it can be a combination of letter(s), number(s) and symbol(s) with at least two kinds of them (please do not use special symbols like ‘’; &) Confirm Password Prompt QuestionTable 3-1 Initialization parameter description
| Password Protection Mode | Description |
| Email Address | In the Email Address box, enter an email address for password reset. In case you forgot password, enter the security code that you will get from this reserved email address to reset the password of admin. |
| Security Questions | Configure the security questions and answers. In case you forgot password, enter the answers to the questions can make you reset the password. |
| NOTEIf you want to configure the email or security questions function later or you want to change the configurations, select Main Menu > ACCOUNT > USER. | |
Configuring Recording Storage Schedule 3.2
Select Main Menu > STORAGE > SCHEDULE > Record, the Record interface is displayed, see Figure 3-2.
The default setting is 24 hours recording for all channels. You can modify the settings if needed.
Record storage configuration Figure 3-2

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STORAGE BASIC Record Snapshot SCHEDULE HDD MANAGER ADVANCE QUOTA HDD DETECT REC ESTIMATE FTP Channel 1 Pre-record 4 Sec. Post estimates All General MD Alarm MD&Alarm Intel POS 0 2 4 6 8 10 12 14 16 18 20 22 24 Sunday Monday Tuesday Wednesday Thursday Friday Saturday Default Copy Apply BackPlaying Recorded Video 3.3
Select Main Menu > VIDEO, the video search interface is displayed. See Figure 3-3. You can view, search, and play back the recorded video.
Recorded video Figure 3-3

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2017-11-05 15:03:39 From R/W HDD RECORD < Nov 2017 > Su Mo Tu We Th Fr Sa 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 CAM NAME ✓ A1 CAM 1 M ✓ A2 CAM 2 M ✓ A3 CAM 3 M ✓ A4 CAM 4 M A5 CAM 5 M A6 CAM 6 M A7 CAM 7 M A8 CAM 8 M A9 CAM 9 M D1 IPC M D2 IPC M D3 CAM 12 M D4 CAM 13 M Stop Sync All General Alarm Motion Intel POS 24hr 2hr 1hr 30minConfiguring P2P Settings 3.4
You can add the DVR into your cell phone client or the platform to manage. For details, please refer to the P2P operation manual.
NOTE
Make sure the DVR is connected into the Internet, and if yes, in the Status box of the P2P interface, it shows Online.
3.4.1 Entering P2P Interface
Step 1 Select Main Menu > NETWORK > P2P, the P2P interface is displayed. See Figure 3-4.
P2P interface Figure 3-4

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NETWORK TCP/IP CONNECTION Wi-Fi 3G/4G PPPoE DDNS EMAIL UPnP SNMP MULTICAST REGISTER ALARM CENTER P2P Enable To assist you in remotely managing your device, the P2P will be enabled. After enabling P2P and connecting to Internet, we need to collect IP address, MAC address, device name, device SN, etc. All collected info is used only for the purpose of remote access. If you don't agree to enable P2P function, please deselect the check box. Status Cell Phone Client Scan the QR code on the actual interface Device SN Scan QR to Download 0 Note: Scan the QR code on the actual interface. Apply BackEnable the P2P function. Step 2
Step 3 Click Apply. You can start adding the DVR into Cell Phone Client or the platform.
3.4.2 Adding DVR into Cell Phone Client
To use P2P function, take adding wired device into Cell Phone Client as an example.
Step 1 Use your cell phone to scan the QR code under Cell Phone Client to download the application.
____ Open the application and tap, the menu is displayed. Step 2
Step 3 Tap Device Manager > + >Add Device, the Add Device interface is displayed. See Figure 3-5.
Step 4 Tap P2P, enter a name for the DVR, the username and password, scan the QR code under Device SN, and then tap Start Live Preview. The DVR is added and displayed on the live view interface of the cell phone. See Figure 3-6.
Figure 3-5 Add device

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Device Manager Start Device Add Device P2P IP/Domain Dohua DONE Quick DONE P2P Register Mode: P2P Name: SK Overname: admin Password: Live Preset: Extra > Playback: Extra > Start Live Preset Live Preview CAM1 CAM2 CAM3 CAM4Figure 3-6 Live view
Logout 3.5
On the top right of the Main Menu interface or any interface after you have entered the Main
Menu, click

- Select Logout, you will log out the DVR.
- Select Reboot, the DVR will be rebooted.
- Select Shutdown, the DVR will be turned off.
You can also press the power button on the DVR to turn it off.
Open the browser, enter the IP address of the DVR, and then press Enter. The Login in dialog box is displayed. See Figure 4-1. Properly enter the user name and password to login the web. For details, see User's Manual.
Login Figure 4-1

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XVR Web Login TCP Forgot Password LoginNOTE
• Device initialization is required at the first login.
- The default administrator account is admin. The password is the one that was configured during initializing settings. To security your account, it is recommended to keep the password properly and change it periodically.
- You can select the protocol type as TCP, UDP, or MULTICAST depending on the networking structure. The default is TCP.
- If you forgot the password, click Forgot Password to reset the password.
- When entering the Live interface for the first time, follow the onscreen instructions "Please install plugins first!" to install the plugins.
