Lenovo THinkVision T75 User manual

T75 Smart Large Format Display
User Guide

© Copyright Lenovo 2022 ii
Second Edition (October 2022)
© Copyright Lenovo 2022
All rights reserved.
LENOVO products, data, computer software, and services have been developed exclusively at private expense and are sold to
governmental entities as commercial items as dened by 47 C.F.R. 2.101 with limited and restricted rights to use, reproduction and
disclosure.
LIMITED AND RESTRICTED RIGHTS NOTICE: IF products, data, computer software, or services are delivered pursuant a General
Services Administration "GSA" contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-
35F-05925.
Type/Model
62F4-KATC-WW

© Copyright Lenovo 2022iii
Chapter 1 Get Started with Your Smart Large Format Display (LFD) ................1-1
In The Box ................................................................................................................................. 1-1
Wall Mounting............................................................................................................................ 1-2
Appearance ............................................................................................................................... 1-3
The I/O panel............................................................................................................................. 1-4
The Front Button ....................................................................................................................... 1-6
Features and Specications ...................................................................................................... 1-7
The Remote Control .................................................................................................................. 1-8
Chapter 2 Explore Your Smart Large Format Display (LFD) ..............................2-1
Home Screen ............................................................................................................................ 2-1
Quick Access Controls .............................................................................................................. 2-1
The Whiteboard......................................................................................................................... 2-1
Notation ..................................................................................................................................... 2-3
All Files...................................................................................................................................... 2-4
All Application ............................................................................................................................ 2-4
System Settings ........................................................................................................................ 2-6
External Signal Source............................................................................................................ 2-10
Screen O󰀨 ................................................................................................................................2-11
Chapter 3 Reference Information..........................................................................3-1
Resolution Specication ............................................................................................................ 3-1
Common Faults and Solutions .................................................................................................. 3-2
Catalogue

© Copyright Lenovo 2022 iv
Appendix A Important Safety Information........................................................... A-1
Safety Information ..................................................................................................................... A-1
Maintenance.............................................................................................................................. A-2
Appendix B Usage Precautions ........................................................................... B-1
Appendix C. Service and Support........................................................................ C-1
Online Technical Support ..........................................................................................................C-1
Telephone Technical Support ....................................................................................................C-1
Worldwide Telephone List..........................................................................................................C-1
Service Information ...................................................................................................................C-2
Appendix D Compliance Information .................................................................. D-1
Trademarks ...............................................................................................................................D-1
Reminder regarding the “Regulation on the Administration of the Recovery and Disposal of
Waste Electrical and Electronic Products”.................................................................................D-1
Power line..................................................................................................................................D-1
Recycling Information................................................................................................................D-1
Collecting And Recycling A Disused Lenovo Computer Or Monitor ..........................................D-2
Disposing Of Lenovo Computer Components...........................................................................D-2
Trademarks ...............................................................................................................................D-3
HDMI Trademarks .....................................................................................................................D-3
Signage Display ........................................................................................................................D-3
Catalogue

Get Started with Your Smart Large Format Display (LFD) 1-1
Chapter 1 Get Started with Your Smart Large Format Display
(LFD)
This User’s Guide contains detailed information on the ThinkVision® T75 Smart Large Format Display (LFD).
In The Box
The product package should include the following items:
zSmart Large Format Display
zWall hanger -2 vertical beams
zWall hanger -1 beam
zInstallation Guide QSG
zPower line
zUSB Cable( A to B interface)
zHDMI Cable(3m)
zThe Remote Control
zTouch pen (2 pcs)
zAAA battery (2 pcs)
zNUC bracket (adapter panel)
*: Depending on a variety of factors, such as peripheral processing power, le properties, and other factors
related to system conguration and operating environment, having di󰀨erent USB connectors on this device
can result in di󰀨erent actual transfer rates, often lower than the data transfer rates dened by the respective
USB specications:
-USB 3.2 Gen 1 Used for 5 Gbit/s; USB 3.2 Gen 2 for 10 Gbit/s, USB 3.2 for 2 Gbit/s.

1-2 Get Started with Your Smart Large Format Display (LFD)
Wall Mounting
1. Installation notes
zWhen installing wall hanging, at least two or more professionals are required to carry out all the installation
work of the machine at the same time. Users should not install themselves without authorization, so as to
avoid harm caused by improper operation.
zPlease install it in a position designated by professionals so that its strength can support the total weight of
the machine and wall hanger for a long time, and take measures to ensure that it has enough strength to
withstand external forces. The hanging point should be pressed directly against the wall, do not be installed
on the wallpaper board with insu󰀩cient strength.
zThe machine should be installed on a vertical plane, do not install it on an inclined plane or upward, other-
wise, the machine may fall and personal injury may occur.
zIn order to prevent accidental damage to the machine and personal accidents, please try to avoid children
easily accessible places to install the hanger.
zDuring installation, please make sure that the screws and fasteners are tightly connected to avoid personal
injury caused by falling down of the machine caused by loose screws.
zInstallation as shown below, leave ventilation space around the unit:
Mount to the wall
Obstruction of air ow
Wall
2. For detailed installation steps, see the wall mounting instructions

Get Started with Your Smart Large Format Display (LFD) 1-3
Appearance
75 inch
1 Infrared touch screen 8 The microphone
2 Full physical toughened protective
glass 9 USB-A external camera port
3 Power button 10 WIFI module
4 Remote receiving device/light
sensing device 11 Built-in port on computer
5 The front interface 12 Rear I/O panel
6 Speaker 13 Power outlet
7 Infrared body sensor 14 Power switch

1-4 Get Started with Your Smart Large Format Display (LFD)
The I/O panel
Front I/O panel
No. Name
Touch USB When the touch USB port is combined with the front HDMI port, the PC can be operated in touch mode.
HDMI When the HDMI input port is combined with the front Touch USB port to connect to the LFD, the PC can be
operated in touch mode.
USB 3.0
It is used to connect USB devices, such as the removable hard disk, USB ash disk, USB keyboard,
and mouse. When the display is in Android mode, USB devices can be accessed through Android. USB
devices can be accessed by the built-in PC when the video source is switched to the built-in PC channel.
Type-C It is used to connect host devices, such as the OTG USB ash disk, MAC, PC, mobile phone, and other
devices with a Type-C port. It can transmit USB, video, and touch screen commands.
Rear I/O panel
75 inch

Get Started with Your Smart Large Format Display (LFD) 1-5
No. Name Functional description
1 TF Card TF card slot port for externally expanded storage
2 MIC In Microphone input port
3 SPDIF Out Optical ber output interface. Connect audio equipment with ber optic input, such as power amplier,
stereo, speaker box
4 Line Out It connects audio devices such as headphones and speakers.
5 HDMI Out Connect electronic video devices with HDMI input.
6 RS232 Serial port signal input interface, through the specic serial port control equipment input serial port
protocol to achieve the purpose of controlling intelligent large screen.
7 LAN In The Ethernet port used to connect the network switch.
8 LAN Out The network port used for connecting another LFD LAN.
9 USB 2.0 It is used to connect USB devices, such as removable hard disk, USB ash disk, USB keyboard and
mouse that can be accessed through Android.
10 AV In Connect to a DVD or set-top box.
11 PC Audio Audio input port. It uses "VGA In" as audio input source.
12 Type-C It is used to connect host devices, such as the OTG USB ash disk, MAC, PC, mobile phone, and
other devices with a Type-C port. It can transmit USB, video, and touch screen commands.
13 USB 3.0
It is used to connect USB devices, such as the removable hard disk, USB ash disk, USB keyboard,
and mouse. When the display is in Android mode, USB devices can be accessed through Android.
USB devices can be accessed by the built-in PC when the video source is switched to the built-in PC
channel.
14 DP In DP port for computer connection. When it is combined with the rear Touch USB port to connect to the
LFD, the PC can be operated in touch mode.
15 HDMI 1. 2. 3 In HDMI input port. When it combined with the rear Touch USB port to connect to the LFD, the PC can
be operated in touch mode.
16 Touch USB When the Touch USB port is combined with the rear HDMI 1. 2. 3. In, DP, or VGA port, the PC can be
operated in touch mode.
17 VGA In VGA signal input port. Combined with "Touch USB", the PC can be operated in Touch mode.

1-6 Get Started with Your Smart Large Format Display (LFD)
The Front Button
Power button
Power ON
Step 1: After inserting the power cord, turn on the ship AC power switch (at the back of the screen, next to
the power socket) to enter the standby state, and the power indicator is red.
Step 2: Press " " on the smart screen. Press " " on the smart screen to start the smart screen (the
indicator is green).
Power OFF
Step 1: Press the " " key on the remote control or long press the " " key on the front button to enter the
shutdown state, and the indicator light is red.
Step 2: If you want to completely turn o󰀨 the smart large screen, please turn o󰀨 the boat switch under the
smart large screen (next to the power socket) and pull out the power plug.
Caution
zWhen the intelligent large screen enters the hibernation or shutdown state, the system checks whether the
built-in computer is shut down rst.
zIf the built-in computer is not shut down, the system shuts down the built-in computer rst and then enters
the hibernation or shutdown state. The intelligent large screen needs to enter the shutdown state rst and
then disconnect the power supply, otherwise it may damage the machine; An unexpected power outage
may damage the machine. Do not turn the power on/o󰀨 repeatedly within a short period of time, as this
may lead to failure.
Power Indicator Status
Indicator Status LFD Status
O󰀨 Turned o󰀨 or powered o󰀨
Red indicator always on Powered o󰀨
Red indicator always on, and green
indicator ashes once in 3s interval
Sleeping/Hibernation
Green indicator always on Normally working

Get Started with Your Smart Large Format Display (LFD) 1-7
Features and Specications
Screen Size 75″
Backlight Type LED
Aspect Ratio 16:9
Viewing Angle 178°
Resolution 3840 x 2160 Pixel
Working Voltage 100 - 240 V, 50/60 Hz
Stand-by Power Consumption < 0.5 W
Standard Power Consumption ≤293 W
Rated Current Max 4.0 A
Speaker 15 W x 2
Cover glass Tempered glass
Touch sensing technology Infrared
Touch Points 20 points
Viewable image size
(L × W) 1428.48 × 803. 52 mm
The whole machine size
L × W × T (bare)/T (with wall hanging support) 1525.7 × 952.01 × 87.7/119.3 mm
Packing size 1660 × 220 × 1045 mm
Storage Temperature/Humidity -10°C~60°C/10% RH ~80% RH
Operating Temperature/Humidity 0°C~40°C/20% RH~80% RH
Installation Method Wall hanging or oor stand support
Net weight 40.5 kg
Gross weight 52.5 kg

1-8 Get Started with Your Smart Large Format Display (LFD)
The Remote Control
Remote control buttons
Key Function
Power button ( )Power on/o󰀨
Signal source button ( )Turn on/o󰀨 the source list
Cursor key ( ) Up/down/Left/right select key
Conrm button (OK) Conrm the current operation
Menu button ( ) The main menu is displayed or hidden
Home button ( )Return to the Android launcher
Return button ( )Return to the previous menu
(can unlock in touch locked state)
OPS Enter the OPS source
The Whiteboard ( )Open the Whiteboard app
Screen O󰀨 ( ) Enter/exit the screen rest mode
Vol- ( ) Increase the volume
Mute ( ) Mute/unmute
Vol+ ( ) Decrease the volume
Approx. 5
meters within a
45° angle
Approx. 5
meters within a
45° angle
Approx. 5 meters in the
front
Instructions for remote Control
Caution
To avoid possible failures, read the following instructions and operate the remote control correctly.
zDo not drop or tap the remote control.
zDo not spill water or other liquids on the remote control.
zDo not place the remote control on damp objects.
zDo not let the remote control directly exposed to the sun or near the heat source of overheating.
Use the remote control 5 meters within a 45° angle on both sides or 5 meters in front of the product's remote
control receiver.

Explore Your Smart Large Format Display (LFD) 2-1
Chapter 2 Explore Your Smart Large Format Display (LFD)
This section describes the basic operation functions of the display.
Home Screen
Follow the boot-up wizard to enter the system interface, as shown below.
Quick Access Controls
On the home screen, click the icon to expand all the ICONS in the oating bar.
Expand/hide the oating bar
Return to the Android launcher
Return to the previous menu
Display the task management window
Enter annotation mode
Bring up the signal source selection window
Bring up the task management sidebar
The Whiteboard
The whiteboard is designed to quickly and conveniently display the written content of a meeting to
participants. Users can annotate, draw, or insert owcharts and pictures
on the whiteboard.
Users can access the writing pad in the following two ways:
zOn the home screen, click Whiteboard on the toolbar to go to the writing pad.
zClick Whiteboard on the All Application page to go to the writing pad page.

2-2 Explore Your Smart Large Format Display (LFD)
1 Pen
Supports preset 6 colors + universal color palette, and adjustable brightness
supports whiteboard pen +Mark pen to choose two pen types: ne, medium and
thick.
2 The eraser
Support small, medium and thick eraser options for partial erasing Support one-
click screen clearing to clear all content
gesture: support for erasing the back of the hand.
3Thumbnail
navigation
Support thumbnail display, navigation to nd the desired content, support
displayHeart, actual size, display all three display modes.
4Time to go
back
Unlimited step rollback is supported. All meeting contents are recorded, and
single-step undo and recovery is supported.
5Page
management Implement canvas paging 1-6 pages, can add or delete the pages.
6 A key to share Support meeting minutes, writing notes and other content, one key scan code to
view the share save, and support sharing the current window.
7Save the
source le
Supports saving whiteboard source les, you can open next time to continue
editing. Support default name + manual name.
8More
Image insertion: PNG and JPG images can be inserted, the image can be
adsorbed at 45 degrees, the image can be erased by eraser, and
up to 4 images can be added.
Insert documents: open third-party documents, which can be used together with
large-screen comments;
Web page insertion: support window insertion of web pages, can switch
between writing mode and operation mode, and full-screen,
screenshot, support insertion of a maximum of one web page;
Open whiteboard: Open whiteboard source les for re-editing and operation.
Whiteboard setting: set toolbar following, suspension menu, simulated brush
stroke, background setting, network setting;
About whiteboard: display the current version of whiteboard, software license
agreement, open source component license, privacy statement,
and support software check and update;
Exit: Allows you to exit a meeting without trace. After a meeting, you can delete
whiteboard les, system screenshots, and screen recordings with one click.

Explore Your Smart Large Format Display (LFD) 2-3
9 Hover toolbar
Hold the nger on the screen for more than 2 seconds and release it to call out
the oating toolbar, which is convenient for users to use the whiteboard quickly.
Common tools: If no operation is performed for more than 2 seconds, the oating
toolbar will be automatically hidden.
Notation
Users can use the annotation function to annotate or modify pictures or documents on the smart large
screen. In annotation mode, the system generates a transparent layer at the top of the screen. Users can
add annotations to the transparent layer, save the screenshot of annotations after annotation, and repeat the
operation until the annotation mode exits.
Users can enter the annotation mode in either of the following ways:
1. Click the oating bar " " icon;
1Choose Click this icon to return to the current interface operation state from annotation
mode.
2 The brush Click the icon to enter the writing state. Click again to set the brush colour and
thickness.
3 The eraser Click the icon to enter the eraser function, click the icon again to set the eraser
diameter.
4Clear the
screen Clear all content of the current page.
5 Undo Return to the previous step.
6 Screenshots Capture the current comment page, images can be selected to import whiteboard
and le sharing.
7Exit Click the icon to exit annotation mode.
8 Pack up Click the icon to hide the toolbar, click the hide arrow again to show th( toolbar.

2-4 Explore Your Smart Large Format Display (LFD)
All Files
The le management page displays local les in the current system. If an external storage device (such as
a USB storage device or a removable hard disk) is connected, the le content of the storage device is also
displayed. Users can preview, lter, search, comment, and share les on the le management page.
You can access the le management page in any of the following ways:
zOn the home screen, click the le icon " ".
zOn the All Application screen, click the le icon " ”.
All Application
The Calculator
Click the calculator APP to enter, you can realize the following functions of add, subtract, multiply and divide
as shown in the picture below.

Explore Your Smart Large Format Display (LFD) 2-5
Screenshots
You can access the screen capture screen in any of the following ways:
zClick the "Screenshot" icon of the " All Application" interface;
zClick the "Screenshot" icon in the task Management sidebar;
After entering the screenshot mode, the capture box can change the capture position by dragging the gesture,
and the capture box will follow the gesture to the position where the screenshot is needed. Hold your nger
on the right Angle of the capture frame and slide to narrow or enlarge the screen shot.
The " " icon is used to select the screenshot range, the " " icon is used to conrm capturing of the current
page, and the " " icon is used to exit the screenshot.
The Calendar
Click the "Calendar" icon to enter the calendar setting interface, as shown below:
The Clock
Click the clock APP to enter, you can adjust the following functions: "clock", "alarm clock", "timer" and
countdown.

2-6 Explore Your Smart Large Format Display (LFD)
Lenovo Projection
Click the "Lenovo Projection" icon to enter the screen projector pairing display interface. Users can use the
screen projector to display according to the instructions, as shown below:
System Settings
Click the " " icon in the " All Application " interface to enter the setting interface, including common
functions, network Settings, time and language, advanced Settings, about devices and other information.
Common Settings
Enter the "Common Settings" sub-menu, you can set wallpaper, auto brightness, brightness volume, speaker,
microphone, camera functions.

Explore Your Smart Large Format Display (LFD) 2-7
Network
The Network sub-menu is displayed, allowing you to set the wireless network, wired network, hotspot
information, and Bluetooth functions.
zWireless network: View the MAC address of the device and enable or disable Wi-Fi.
zOn wired networks: View the MAC address, IP address, gateway, subnet mask, and DNS information. It
can automatically obtain LAN IP or LAN IP as required.
zHotspot: You can set items related to portable Wi-Fi hotspots.
zBluetooth: Can be connected to enable bluetooth function.
Time and Language
Select "Time language" sub-menu, you can enter "Date and time, time zone", language input method
zPeriod and time, time zone: you can set the date, time, time, and time zone
zLanguage and input method: You can select a language and set di󰀨erent input methods

2-8 Explore Your Smart Large Format Display (LFD)
Advanced Settings
Enter the "Advanced Settings" sub-menu, you can choose "Hover menu Settings", "Auto On/o󰀨", "Auto Sleep
and Wake up Settings", "Standby", "Low Blue light mode", "Startup channel", "OPS startup".
Low Blue Light Mode
Enter the low Blue light mode: Click the "Settings" button in the sidebar and select "Advanced Settings" to
enter the page. Then select the "Low Blue Light Mode" button and click to enter the low blue light mode.