Dahua X74A3L User manual

DIGITAL VIDEO RECORDER
Quick Start Guide
V1.0.0

1
Foreword
Welcome
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
To secure your device, it is strongly recommended to create a strong password and
change it periodically especially in the high security system.
All installation and operations herein should conform to your local electrical safety codes.
We assume no liability or responsibility for all the fires or electrical shock caused by
improper handling or installation.
Improper battery use might result in fire, explosion, or personal injury.
When replacing the battery, make sure the same model is used.
We assume no liability or responsibility for any problems caused by unauthorized
modifications or attempted repair.
Use a power supply that meets the requirements for SELV (Safety Extra Low Voltage) and
complies with Limited Power Source according to IEC 60950-1. Refer to the device label
for detailed information.
Safety Icons
The following categorized signal words with defined meaning might appear in the Guide.
Signal Words
Meaning
Indicates a high potential hazard which, if not avoided, will result in
death or serious injury.
Indicates a medium or low potential hazard which, if not avoided,
could result in slight or moderate injury.
Indicates a potential risk which, if not avoided, may result in property
damage, data loss, lower performance, or unpredictable result.
Provides methods to help you solve a problem or save you time.
Provides additional information as the emphasis and supplement to
the text.

2
About this Guide
The Guide is a general document for introducing the product, so there might be some
functions described for DVR in the Guide not apply to the model you purchased, or the
interfaces might be different, or the operations might be different, or the appearances
might be different, and in these cases the actual product shall govern.
All the designs and software are subject to change without prior written notice.
All trademarks and registered trademarks mentioned herein are the properties of their
respective owners.
Any loss caused by not complying with the operations described in the Guide should be
borne by the user.
Upgrade the reader software or try other mainstream reader software if the Guide (in PDF
format) cannot be opened.
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.
Please visit our website or contact your local service engineer for more information.

Table of Contents III
Table of Contents
Foreword......................................................................................................................................................1
1 Quick Start................................................................................................................................................ 4
Unpacking the Accessories............................................................................................................. 4
Checking the Components ............................................................................................................. 4
Installing Hard Disk Drive (HDD).................................................................................................... 5
Installing DVR into Rack ................................................................................................................. 5
Booting up ....................................................................................................................................... 6
2 The Grand Tour for Rear Panel.............................................................................................................. 7
3 Local Configurations .............................................................................................................................. 9
Initializing DVR................................................................................................................................ 9
Resetting Password ......................................................................................................................10
Adding Remote Device .................................................................................................................12
Configuring Recording Storage Schedule....................................................................................13
Playing Back Recorded Video ......................................................................................................14
Configuring P2P Settings..............................................................................................................15
3.6.1 Entering P2P Interface .......................................................................................................15
3.6.2 Adding DVR into Cell Phone Client....................................................................................16
Logout............................................................................................................................................18
4 Web Login...............................................................................................................................................19

4
1 Quick Start
The actual appearance or quantity might be different depending on the model you purchased.
Unpacking the Accessories
Checking the Components
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.
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 calling the
after-sales service.
3 Device
Appearance No obvious damage.
Data cables, power
cables, fan cables, and
mainboard
No loose connection.

5
Installing Hard Disk Drive (HDD)
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.
1. Review the screws to take
off the cover.
2. Fix the HDD(s) onto the
bracket. If needed,
remove the top bracket to
install HDD to the bottom
bracket.
3. Connect one end of HDD
cable to the HDD.
4. Connect the other end of
HDD cable to the
mainboard.
5. Use the power cable to
connect HDD and
mainboard.
6. Put back the cover and
fasten the screws.
Installing DVR into Rack
To install the DVR into Rack, do the following:
Check if the in-house temperature is lower than 35℃(95℉) and make sure the 15cm
(6in.) spacing around the DVR for ventilation.
Use six screws to fix the DVR on each side.
Install from the bottom up.
If you want to install more accessories to the rack, take preventive measures to avoid power
socket overload.
Install more accessories to the rack if needed.

6
Booting up
Ensure the input voltage corresponds to the power requirement of the DVR. Turn on the
DVR after the power cable is properly connected.
To protect the DVR, connect the DVR with the power cable first, and then connect to the
power source.
To ensure the stable work of the DVR and the connected external devices such as
camera and to prolong the HDD service life, please refer to the related international
standard to use the power source that provides stable voltage with less ripple
interference. USP power source is recommended.
Connect the DVR to a display.
Plug in the power cable to the DVR.
Press the power button to turn on the DVR. The power indicator glows.
On the connected display, the live view screen is displayed. If you turn on the DVR
during the time period that is configured for recording, the system starts recording after
it is turned on, and you will see the icon indicating recording status in specific
channels.

7
2 The Grand Tour for Rear Panel
The actual appearance might be different depending on the model you purchased.
The following figure shows the rear panel of the DVR.
No. Port Name Function
1 Ground terminal.
2 Power input port Inputs power.
3 Power button Turns on/off the DVR.
4 Audio input port Receives audio signal output from the devices such as
microphone.
5 MIC IN Two-way talk input port which receives analog audio signal
output from the devices such as microphone and pickup.
6 MIC OUT
Two-way talk output port which outputs the analog audio signal
to the devices such as the sound box.
7 Audio output port Outputs audio signal to the devices such as the sound box.
8 Video output port Connects to video output devices such as TV.
9 Video input port Connects to analog camera to input video signal.
10 Alarm input port
1–16
4 groups of alarm input ports (Group 1: port 1 to port 4; Group 2:
port 5 to port 8; Group 3: port 9 to port 12; Group 4: port 13 to
port 16). These ports receive the signal from the external alarm
source. There are two types: NO (normal open) and NC (normal
close).
When your alarm input device is using external power, please
make sure the input device and the DVR connect to the same
ground.

8
No.
Port Name
Function
Alarm output port
1–5 (NO1–NO5;
C1–C5; NC5)
5 groups of alarm output ports (Group 1: port NO1–
C1,Group 2:port NO2–C2,Group 3:port NO3–C3, Group 4：
port NO4–C4, Group 5: port NO5, C5, NC5). These ports
output alarm signal to the alarm device. Please make sure
power supply to the external alarm device.
NO: Normal open alarm output port.
C: Alarm output public end.

NC: Normal close alarm output port.
RS485
communication port
Connects to the control devices such as speed dome PTZ.
RS485_A port is connected by the cable A and RS485_B is
connected to the cable B.
Four-wire full-
duplex 485 port
(T+, T-, R+, R-)
Four-wire full-duplex 485 port. T+ and T- is the output wire; R+
and R- is the input wire.
Power output
control for alarm
output port 6
(CTRL 12V)
Controls power output of the 6th alarm output port. The current is
500mA.
Turns off power output when there is alarm output.
Turns on power output when the alarm is cleared.
12V power output
port
Provides power to external devices such as camera and alarm
device. Please note the power supply shall be below 1A.
Ground.
11 Network port Connects to Ethernet port.
12 VGA port Outputs analog video data to the connected display with VGA
port.
13 HDMI port
High definition audio and video signal output port.
The port outputs the uncompressed high definition video and
multi-channel audio data to the connected display with HDMI
port.
14 RS232 debug COM
The port is used for general COM debug to configure IP address
or transfer transparent COM data.
15 USB port Connects to the external devices such as keyboard, mouse, and
USB storage device.
16 eSATA p or t External SATA port which connects to the device with SATA p or t.
Perform the jumper configuration when connecting HDD.
Table 2-1

9
3 Local Configurations
Please read the following notes prior to using your DVR.
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
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 Figure 3-2 and
Table 3-1.
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.

10
Password
Protection Mode
Description
Email Address
Enter the reserved 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.
If you want to configure the email or security questions fucntion later or you want to change the
configurations, select Main Menu > ACCOUNT > USER.
Table 3-1
Resetting Password
You can reset the password through the QR code or the security questions.
Enter the login interface.
If you have configured unlock pattern, the unlock pattern login interface is
displayed. Click Forgot Pattern, the password login interface is displayed. See
Figure 3-3.
If you did not configure unlock pattern, the password login interface is displayed.
See Figure 3-3.

11
Click .
If you did not set the reserved email address, the email entering interface is
displayed. Enter the email address, and then click Next, the Reset the password
interface is displayed. See Figure 3-4.
If you have set the reserved email address, the Reset the password interface is
displayed. See Figure 3-4.
Reset the password.
QR code
Scan the QR code on the actual interface, and then follow the onscreen
instructions to get the security code in your reserved email address. In the
Security code box, enter the security code.
You are given the limited times to get the security code by scanning the QR code
within 24 hours. Please operate carefully.

12
Please use the security code received in your email box to reset the password
within 24 hours; otherwise the security code becomes invalid.
Security questions
1) On the Reset the password interface as shown in Figure 3-4, in the Reset Type
list, select Security Questions, the Security Questions interface is displayed.
See Figure 3-5.
If you did not configure the security questions before, in the Reset Type list, there
is no Security Questions.
2) In the Answer box, enter the correct answers.
Click Next and then follow the onscreen instructions to complete the password
resetting.
Adding Remote Device
You can add remote devices by adding the IP address.
This function is available after having configured the channel type as IP channel by selecting
Main Menu > CAMERA > CHANNEL TYPE.
Select Main Menu > CAMERA > REGISTRATION > Registration.
The Registration interface is displayed.
Click IP Search.
The searched devices are displayed.
Add the device by either of the following ways.
Double-click the device, or select the check box of the device and then click Add.
Click Manual Add, configure the parameters and then click Apply.
The device is displayed in the Added Device area. See Figure 3-6.

13
Configuring Recording Storage Schedule
Select Main Menu > STORAGE > SCHEDULE > Record, the Record interface is displayed,
see Figure 3-7.
The default setting is 24 hours recording for all channels. You can modify the settings if
needed.

14
Playing Back Recorded Video
You can search for and play back the recorded videos saved on the DVR.
Select Main Menu > VIDEO.
The video search interface is displayed. See Figure 3-7.

15
Select the source as From R/W HDD or From I/O Device from where you want to
search for the recorded video.
In the search type list, select RECORD.
In the calendar area, select a date.
In the CAM NAME list, select a channel.
Click .
The system starts playing recorded video.
Configuring P2P Settings
You can add the DVR into your cell phone client or the platform to manage. For details, please
refer to the P2P operation manual.
Make sure the DVR is connected into the Internet, and if yes, in the Status box of the P2P
interface, it shows Online.
3.6.1 Entering P2P Interface
Select Main Menu > NETWORK > P2P.
The P2Pinterface is displayed. See Figure 3-9.

16
Enable the P2P function.
Click Apply.
You can start adding the DVR into Cell Phone Client or the platform.
3.6.2 Adding DVR into Cell Phone Client
To use P2P function, take adding device into Cell Phone Client as an example.
You can also enter the QR code interface by clicking on the top right of the interfaces
after you have entered the Main Menu.
Use your cell phone to scan the QR code under Cell Phone Client to download the
application.
On your cell phone, open the application, and then tap , the menu is displayed.
Tap Device Manager > >Add Device.
The Add Device interface is displayed. See Figure 3-10.
If the DVR has not been initialized, follow the onscreen instructions to perform
initialization first.
You can add wireless device or wired device. The Guide takes adding wired
device as an example.

17
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 3-11.

18
Logout
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.

19
4 Web Login
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.
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.