Dahua LDV55-SAI400TK User manual

Digital Signage
User's Manual
V1.0.1

II
Foreword
General
This manual introduces the functions and operations of the 3.0 digital signage (hereinafter referred to
as the "Signage"). Read carefully before using the Signage, 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, reductions in performance, or unpredictable results.
TIPS Provides methods to help you solve a problem or save time.
NOTE Provides additional information as a supplement to the text.
Revision History
Version Revision Content Release Time
V1.0.1 Updated basic operations. August 2022
V1.0.0 First release. May 2021
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

III
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.
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.

IV
Important Safeguards and Warnings
This section introduces content covering the proper handling of the Signage, hazard prevention, and
prevention of property damage. Read carefully before using the Signage, and comply with the
guidelines when using it.
Installation Requirements
●Improper use of the battery might result in a fire or explosion.
●Replace unwanted batteries with new batteries of the same type and model.
●Use the standard power adapter. We will assume no responsibility for any problems caused by the
use of a nonstandard power adapter.
●Use the power cords that are recommended for the region and conform to the rated power
specifications.
●This is a class A product. In a domestic environment this may cause radio interference in which case
you may be required to take adequate measures.
●Do not place the Signage in a place exposed to sunlight or near heat sources.
●Keep the Signage away from dampness, dust, and soot.
●Install the Signage on a stable surface to prevent it from falling.
●Install the Signage in a well-ventilated place, and do not block its ventilation.
●Use an adapter or cabinet power supply provided by the manufacturer.
●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.
●The Signage is a class I electrical appliance. Make sure that the power supply of the Signage is
connected to a power socket with protective earthing.
●The appliance coupler is a disconnection device. Keep it at a convenient angle when using it.
Operation Requirements
●Do not drop or splash liquid onto the Signage, and make sure that there is no object filled with
liquid on the Signage to prevent liquid from flowing into it.
●Operate the Signage within the rated range of power input and output.
●Do not disassemble the Signage without professional instruction.
●Use the Signage within its working humidity (10%-85% (RH)) and temperature (0 °C to 40 °C or
32 °F to 104 °F).

V
Table of Contents
Foreword........................................................................................................................................................... II
Important Safeguards and Warnings............................................................................................................. IV
1 Overview........................................................................................................................................................ 1
2 Structure ........................................................................................................................................................ 2
3 Basic Operations............................................................................................................................................ 3
3.1 Starting and Shutting Down.................................................................................................................................................. 3
3.2 Initializing the Signage ............................................................................................................................................................ 3
3.3 Login ............................................................................................................................................................................................... 7
3.4 Resetting Password ................................................................................................................................................................... 8
3.5 Changing Password and Security Questions................................................................................................................... 8
3.5.1 Changing Password ..................................................................................................................................................... 8
3.5.2 Changing Security Questions................................................................................................................................... 9
3.6 Quick Toolbar............................................................................................................................................................................... 9
3.7 Releasing Project......................................................................................................................................................................10
3.7.1 Network Release..........................................................................................................................................................10
3.7.2 Local Release ................................................................................................................................................................14
3.8 App Manager.............................................................................................................................................................................23
3.8.1 Installing App ...............................................................................................................................................................24
3.8.2 File Manager .................................................................................................................................................................25
4 System Settings ........................................................................................................................................... 26
4.1 Setting Date & Time.................................................................................................................................................................26
4.2 Selecting Input Source...........................................................................................................................................................26
4.3 Configuring Visual & Audio Parameters...........................................................................................................................27
4.4 System Language.....................................................................................................................................................................28
5 Maintenance and Update............................................................................................................................ 29
5.1 Maintenance Requirements.................................................................................................................................................29
5.2 Restoring Factory Defaults ...................................................................................................................................................29
5.3 Upgrading System ...................................................................................................................................................................29
5.4 Configuring Auto Maintenance Time ...............................................................................................................................30
5.5 Turning Screen On/Off at Fixed Time................................................................................................................................30
5.6 Turning the Signage On/Off at Fixed Time .....................................................................................................................31
5.7 Restarting Device.....................................................................................................................................................................31
5.8 Viewing Device Information.................................................................................................................................................31
Remote Control .......................................................................................................................... 33
Cybersecurity Recommendations............................................................................................. 35

1
1Overview
The Signage is an innovative, intelligent cloud information terminal that features multimedia content
release, advertisement and network access, and has LCD display and audio power amplifier. The
Signage is applicable for use in government buildings, office parks, shopping malls, and more.

2
2Structure
Ports
Table 2-1 Description of ports
No. Name Description
1 Reset button Contact customer service to use the button to restore the Signage to its
factory settings or reset the password.
2 Headphone
jack Connects to 3.5 mm headphones to receive audio from the Signage.
3 TF card slot
Insert a TF card. The TF card is used to force update the Android OS or
provide media for projects. A force update is needed when the Android OS
restarts repeatedly or the Signage cannot be started.
You cannot use the TF card to store data on the Signage.
Contact the technical support if your Signage needs a force update.
4 HDMI port Connects to HDMI input source device.
5 ON/OFF Turn the screen on/off.
6 Network port Connects the Signage to the network through Ethernet cable.
7 USB 2.0 port Connects to devices such as mouse or USB drive.
8 DIP switch
Switch the function (OTG/USB) of the USB port on the right side (two ports
are designed). To use the port as a USB port, push the switch to the side of
the network port.

3
3Basic Operations
The remote control supports limited operations: You can use the remote control to turn on or off the
screen, turn on, turn off, or restart the Signage, adjust the volume and go back to the home page. We
recommend you connect a mouse to operate the Signage. This chapter uses connecting a mouse for
device operations as an example.
3.1 Starting and Shutting Down
Before starting the Signage, check whether the input voltage matches rated voltage of the
Signage.
To ensure stable operation and long service life of the Signage and external devices connected
to the Signage, follow national standards and provide a power supply with stable voltage and low
ripple interference.
Starting the Signage
Plug in the power cable of the Signage. The Signage starts.
Shutting down the Signage
Unplug the power cable. The Signage shuts down.
3.2 Initializing the Signage
For first-time use or after restoring the system to factory settings, you need to initialize the Signage.
After that, you can start configuring and operating your device.
Power on the Signage. The Signage starts.
Select the language. Currently, only Chinese and English are supported.
Click Save and Next, and then configure your password.
1) Enter your new password, and confirm it.
The password must be 8–32 characters and contain at least two types from letters,
numbers, and special characters.
2) Click Confirm.
Initialization starts.

4
Device initialization (2)
On the Password Protection interface, select questions, enter answers to the questions, and
then click Save and Next.
Click Skip to skip setting security questions.
Password protection
On the Terminal Info interface, configure device information.
1) Click to set the name that identifies the Signage.
2) Click Save and Next.

5
Device information
On the Network Setting interface, configure the network.
Click Skip to skip setting the network.
1) Select network type as needed and configure the network.
Network setting