Dahua Technology D-LCH75-MC410-B User manual

Smart Interactive Whiteboard
User's Manual
ZHEJIANG DAHUA VISION TECHNOLOGY CO., LTD. V1.1.0

User's Manual
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Foreword
General
This manual introduces the installation, functions and operations of the smart interactive
whiteboard (hereinafter referred to as "the whiteboard"). 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
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, could result in
property damage, data loss, reductions in performance, or
unpredictable results.
Provides methods to help you solve a problem or save time.
Provides additional information as a supplement to the text.
Revision History
Version
Revision Content
Release Time
V1.1.0 Added 55-inch series. May 2022
V1.0.0 First release. March 2022
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

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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.

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Important Safeguards and Warnings
This section introduces content covering the proper handling of the whiteboard, hazard prevention,
and prevention of property damage. Read carefully before using the whiteboard, and comply with
the guidelines when using it.
Storage Requirements
●Stably put the whiteboard onto a support platform that is strong enough to prevent the
whiteboard from falling.
●Do not place the whiteboard in a place exposed to sunlight or near heat sources.
●Store the whiteboard under allowed humidity and temperature (–20 °C to +60 °C, or–4 °F to
+140 °F) conditions.
Installation Requirements
●Do not install the whiteboard in a place exposed to sunlight or near heat sources.
●Keep the whiteboard away from dampness, dust, and soot.
●Install the whiteboard on a stable surface to prevent it from falling.
●Install the whiteboard in a well-ventilated place, and do not block its ventilation.
●The power supply must conform to the requirements of ES1 in IEC 62368-1 standard and be no
higher than PS2. Please note that the power supply requirements are subject to the device label.
●The whiteboard is a class I electrical appliance. Make sure that the power supply of the
whiteboard 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
●High voltage inside the whiteboard. Do not disassemble the whiteboard without a qualified
professional present to avoid the risk of being exposed to danger.
●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.
●Make sure all cables are connected correctly before plugging the whiteboard into the power. Do
not overload the power socket or pull the power code. Otherwise, it might cause fire or electric
shock.
●Do not drop or splash liquid onto the whiteboard, and make sure that there is no object filled

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with liquid on the whiteboard to prevent liquid from flowing into it.
●Operate the whiteboard within the rated range of power input and output.
●Do not disassemble the whiteboard without professional instruction.
●Use the whiteboard under allowed humidity and temperature (0 °C to 40 °C, or –4 °F to +140 °F)
conditions.
●The whiteboard is a class I electrical appliance. Make sure that the power supply of the
whiteboard 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.
Maintenance Requirements
●Power off the whiteboard before maintenance. Do not use the liquid cleaner or spray cleaner
when cleaning the whiteboard.
●Use the clean and soft cloth or use the special lens wiping cloth when cleaning the surface of
display screen. Do not use the wet cloth to clean the display screen. Otherwise, it may do harm to
the screen.

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Table of Contents
Foreword.........................................................................................................................................................................................................I
Important Safeguards and Warnings............................................................................................................................................. III
1 Overview ................................................................................................................................................................................................... 1
1.1 Introduction.................................................................................................................................................................................. 1
1.2 Packing List ................................................................................................................................................................................... 1
1.3 Structure......................................................................................................................................................................................... 2
1.3.1 Appearance ........................................................................................................................................................................ 2
1.3.2 Dimensions......................................................................................................................................................................... 4
1.3.2.1 Dimensions (55-inch).......................................................................................................................................... 4
1.3.2.2 Dimensions (65-inch).......................................................................................................................................... 5
1.3.2.3 Dimensions (75-inch).......................................................................................................................................... 6
1.3.2.4 Dimensions (86-inch).......................................................................................................................................... 7
1.3.3 Ports....................................................................................................................................................................................... 7
2 Turning on or off the Screen ........................................................................................................................................................... 9
2.1 Turning on the Screen ............................................................................................................................................................. 9
2.2 Turning off the Screen...........................................................................................................................................................10
3 Basic Operations..................................................................................................................................................................................11
3.1 Quick Operations......................................................................................................................................................................11
3.1.1 Bringing up the Navigation Bar..............................................................................................................................11
3.1.2 Bringing up the Compass Menu.............................................................................................................................11
3.1.3 Common Tools................................................................................................................................................................13
3.2 Electronic Whiteboard...........................................................................................................................................................16
3.3 File Management .....................................................................................................................................................................18
3.4 Screen Sharing...........................................................................................................................................................................19
3.5 System Settings.........................................................................................................................................................................20
3.5.1 Configuring Network Connection.........................................................................................................................20
3.5.2 Configuring General Settings..................................................................................................................................21
3.5.3 Configuring Advanced Parameters ......................................................................................................................22
3.5.4 Configuring System Parameters ............................................................................................................................23
4 Shutdown ...............................................................................................................................................................................................26
5 System Update.....................................................................................................................................................................................27
5.1 Online Update............................................................................................................................................................................27
5.2 Update through USB...............................................................................................................................................................27
6 FAQ ............................................................................................................................................................................................................28
Appendix 1 Touch Operation ...........................................................................................................................................................29

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Appendix 2 Cybersecurity Recommendations.........................................................................................................................30

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1 Overview
1.1 Introduction
The smart interactive whiteboard is an integrated multimedia device, which integrates large-screen
HD display, computer, TV, electronic whiteboard, audio amplifier, application, and central control
system.
The whiteboard supports the following functions and features:
●4K HD LCD display.
●Switch between Android and Windows systems (for Windows, you need to install a computer
module).
●One-tap projection of devices such as mobile phones and tablets.
●Electronic white board.
●Various software such as Microsoft Office and audio and video players.
1.2 Packing List
Check whether there is any obvious damage on the packing box. Unpack the box and check whether
the components are complete according to the packing list.
Table 1-1 Packing list
Name
Quantity
Name
Quantity
Smart interactive whiteboard 1 Power cord 3
Stylus pen 2 Quick Start Guide 1
Wall mount bracket (installed on
whiteboard already) 1 Accessory package 2
Remote control 1 — —
The accessory packages contain expansion bolt× 8, plastic pad× 6, self-tapping screw× 8, and
gasket× 8.

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1.3 Structure
1.3.1 Appearance
Figure 1-1 Appearance (55-inch series)
Figure 1-2 Appearance (65/75/86-inch series)

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Table 1-2 Appearance description
No.
Description
1 LCD.
2
Power input port. Inputs 100–240 VAC power.
After connecting to power supply, press the rocker switch to turn on the
whiteboard.
3 USB 3.0 port.
4 Magnetic stylus pen attach area.
5 Speaker. Plays multimedia sound.
6 Indicator light. The light is red when the whiteboard is on standby and blue when
the whiteboard is in normal use.
7
Light sensor. The device recognizes the ambient brightness through the light
sensor and automatically adjusts the backlight brightness according to the
ambient brightness.
8 IR sensor. Receives signals from the remote control.
9 RS-232 port. Transmits data between devices. You can connect to central control
devices with RS-232 port.
10 LINE OUT. An audio output port that connects to the earphone or speaker.
11
Power button.
●Press the button to turn on or turn off the screen.
●Press and hold the button for 5 seconds to turn on or turn off the whiteboard.
●When the touch lock is enabled, press the power button 3 times to unlock the
touch lock.
12 Side panel ports. For details, see Table 1-3.
13 Microphones. Pick up live audio.
14 Built-in HD camera.

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1.3.2 Dimensions
1.3.2.1 Dimensions (55-inch)
Figure 1-3 Dimensions (mm [inch])
VESA pattern: 400 mm × 400 mm (15.75'' × 15.75'').

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1.3.2.2 Dimensions (65-inch)
Figure 1-4 Dimensions (mm [inch])
VESA pattern: 500 mm × 400 mm (19.69'' × 15.75'').

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1.3.2.3 Dimensions (75-inch)
Figure 1-5 Dimensions (mm [inch])
VESA pattern: 600 mm × 400 mm (23.62'' × 15.75'').

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1.3.2.4 Dimensions (86-inch)
Figure 1-6 Dimensions (mm [inch])
VESA pattern: 750 mm × 400 mm (29.53'' × 15.75'').
1.3.3 Ports
Figure 1-7 Ports (55-inch)

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Figure 1-8 Ports (65/75/86-inch)
Table 1-3 Port description
No.
Name
Description
1 Micro USB Used for debugging Android system.
2 HDMI IN HD audio and video signal input port. Connects to the computer,
set-top box, and other video devices with HDMI output ports.
3 USB 3.0
Connects to USB devices such as mobile hard disk, USB flash
drive, USB keyboard, and USB mouse. They are accessible both
from the built-in Android system and the optional OPS
computer module.
4 Touch
Transmits touch signals.
The port is used together with the HDMI port to allow you to
control the computer through touch operations on the
whiteboard.
5 RJ-45 port 1000 Mbps network port. Connects to network cable to access
network.
6 RS-232 port Transmits data between devices. You can connect to central
control devices with RS-232 port.

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2 Turning on or off the Screen
2.1 Turning on the Screen
Prerequisites
●Before starting the whiteboard, check whether the input voltage is correct against the power
supply requirements.
●To ensure the stable work of the whiteboard and the external devices connected to the
whiteboard and to prolong the service life, we recommend you refer to the national related
standard to use the power source that provides stable voltage with less interference from ripples.
Procedure
Step 1 Connect the power cord.
Step 2 Turn on the rocker switch on the rear panel.
Step 3 Press the power button on the right panel to turn on the screen.
After startup, the whiteboard displays the home screen by default.
Figure 2-1 Home screen
Table 2-1 Home screen description
No.
Description
1 Displays date, time and the day of the week.
2
Compass. Tap the icon to quickly use functions as electronic whiteboard,
annotation, and file management. See "3.1.2 Bringing up the Compass Menu"
for details.
3 Device status bar. Displays different status information. Tap each icon to view
details.

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No.
Description
４Tap to bring up the navigation bar, See "3.1.1 Bringing up the
Navigation Bar" for details.
5 Input source. Supports HDMI and Windows.
6
Function area. Tap a function icon to go to the corresponding operation
screen.
For a third-party app, you can tap and hold the corresponding icon to
uninstall the app. The apps that come with the system cannot be uninstalled
in such way.
2.2 Turning off the Screen
When the screen is on, press the power button once to turn off the screen.
To wake up the whiteboard, you can:
●Press the power button again.
●Touch the screen.
In the Windows system, if you have set a screen lock password, you need to enter the right password
to wake up the whiteboard.

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3 Basic Operations
The whiteboard can act as a computer, TV or electronic whiteboard. This chapter introduces the
basic operations of those functions. We recommend using the stylus pen to interact with the screen.
For details on touch control, see "Appendix 1 Touch Operation".
3.1 Quick Operations
You can use the navigation bar or compass to quickly use basic functions.
3.1.1 Bringing up the Navigation Bar
Tap on the left and right sides of the home screen to bring up the navigation bar.
Figure 3-1 Navigation bar
Table 3-1 Description of navigation bar
Icon
Description
Display or hide the navigation bar.
Go back to the previous screen.
Go back to the home screen.
Tap the icon to display common tools such as annotation, screen sharing, and
camera. For details, see "3.1.3 Common Tools".
Displays the apps that are running in the background. You can close the background
apps one by one or in batches.
3.1.2 Bringing up the Compass Menu
Tap on the home screen to bring up the compass menu. For details, see "3.5.2 Configuring

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General Settings".
Figure 3-2 Compass
Table 3-2 Description of compass menu
Icon
Description
Go back to the home screen.
Go back to the previous screen.
Go to the electronic whiteboard screen. For details, see "3.2 Electronic
Whiteboard".
After you insert the computer module, tap the icon to switch to the
Windows system.
Turn on the annotation mode.
●Tap to select the type of pen and the size of the brush.
●Tap to clear content.
◇Tap to clear unwanted content.
◇Tap , circle unwanted content, and then erase the selected
content.
◇Tap to clear all content on the screen.
●Tap
Save
, and then select the path to save your annotations.
●Tap
Exit
to exit the annotation screen.
Manage files.

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Figure 3-3 Annotation
3.1.3 Common Tools
Step 1 Tap on the left and right sides of the home screen to bring up the navigation bar.
Step 2 Tap to display the common tools.
Figure 3-4 Common tools