Lenovo 62F4 User guide

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Productmodel:62F4

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T75SmartLargeFormatDisplay

UserGuide

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ProductNumber

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62F4-KATC-WW

Type/Model

K21750UT0

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©CopyrightLenovo2022

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First Edition (March 2021)

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LENOVO products, data, computer software, and services have been developed exclusively at private expense and are

sold to governmental entities as commercial items as deﬁned 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.

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Catalogue

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Chapter1. GetStartedWithYourSmartLargeFormatDisplay(LFD)………1-1

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In The Box……………………………………………………………………………………………………………………1-1

Wall Mounting………………………………………………………………………………………………………………1-2

HeatDissipation……………………………………………………………………………………………………………1-3

Built-inPCInstallation………………………………………………………………………………………………………1-3

Appearance Is Introduced…………………………………………………………………………………………………1-4

The Front I/O Panel…………………………………………………………………………………………………………1-5

The Front Button……………………………………………………………………………………………………………1-7

Features And Speciﬁcations………………………………………………………………………………………………1-8

SerialPortControl…………………………………………………………………………………………………………1-9

TheRemoteControl………………………………………………………………………………………………………1-11

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Teams Meeting………………………………………………………………………………………………………………2-1

QuickAccessControls………………………………………………………………………………………………………2-1

The Whiteboard……………………………………………………………………………………………………………2-2

Notation………………………………………………………………………………………………………………………2-3

All Files………………………………………………………………………………………………………………………2-4

All Application………………………………………………………………………………………………………………2-5

System Settings……………………………………………………………………………………………………………2-7

External Signal Source……………………………………………………………………………………………………2-10

Built-In Computer…………………………………………………………………………………………………………2-11

ScreenOﬀ……………………………………………………………………………………………………………………2-12

Lock Screen…………………………………………………………………………………………………………………2-12

Resolution…………………………………………………………………………………………………………………2-13

©CopyrightLenovo2022

iii 

ImportantSafetyInformation󽴿󽴿󽴿󽴿󽴿󽴿󽴿󽴿󽴿󽴿󽴿󽴿󽴿󽴿4-1

AppendixA.

Safety Information…………………………………………………………………………………………………………3-1

Maintenance…………………………………………………………………………………………………………………3-1

ExploreYourSmartLargeFormatDisplay…………………………2-1

Chapter2.

Troubleshooting ………………………………………………………2-1

Chapter3.

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Catalogue

©CopyrightLenovo2022 iiii

AppendixB. Usage Precautions……………………………………………………B-1

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Online Technical Support…………………………………………………………………………………………………C-1

Telephone Technical Support……………………………………………………………………………………………C-1

Worldwide Telephone List…………………………………………………………………………………………………C-1

Service Information…………………………………………………………………………………………………………C-2

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RecyclingInformation………………………………………………………………………………………………………D-1

CollectingAndRecyclingADisusedLenovoComputerOrMonitor…………………………………………………D-1

DisposingOfLenovo Computer Components…………………………………………………………………………D-1

Trademarks…………………………………………………………………………………………………………………D-2

AppendixC. ServiceAndSupport…………………………………………………C-1

AppendixD. ComplianceInformation……………………………………………D-1

:

*Dependingonavarietyoffactors,suchasperipheralprocessingpower,ﬁleproperties,andotherfactorsrelatedto

systemconﬁgurationandoperatingenvironment,havingdiﬀerentUSBconnectorsonthisdevicecanresultin

diﬀerentactualtransferrates,oftenlowerthanthedatatransferratesdeﬁnedbytherespectiveUSBspeciﬁcations:

-USB3.2Gen1Usedfor5Gbit/s;USB3.2Gen2for10Gbit/sxUSB3.2for2Gbit/s.

USBA-B

HDMI

⽤⼾指南⽤⼾指南⽤⼾指南

T和智慧互动⼤屏T和智慧互动⼤屏65 T7565 T75T和智慧互动⼤屏65 T75

GetstartedwithyourSmartLargeFormatDisplay(LFD)1-1

InTheBox

Theproductpackageshouldincludethefollowingitems:

●SmartLargeFormatDisplay

●Wallhanger-2verticalbeams

●Wallhanger-1beam

●InformationFlyer

●Powercord

●HDMIcable(3m)

●Remotecontrol

●TouchPen(2)

●AAABattery(2)

●USBType B to Type A Cable

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Chapter1.  GetstartedwithyourSmartLargeFormatDisplay(LFD)

ThisUser’sGuidecontainsdetailedinformationontheThinkVision®T75SmartLargeFormatDisplay(LFD),

foraquickoverview,pleaseseetheSetupPosterthatwasshippedwithyourLFD.

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1-2 GetstartedwithyourSmartLargeFormatDisplay(LFD)

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2.Fordetailedinstallationsteps,seethewallmountinginstructions

Mounttothe

Obstructionofairﬂow

wall

wall30cm

10cm

WallMounting

1.Installationnotes

●When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.

●Please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insuﬃcientstrength.

●Themachineshouldbeinstalledonaverticalplane,donotinstallitonaninclinedplaneorupward,

otherwise,themachinemayfallandpersonalinjurymayoccur.

●Inordertopreventaccidentaldamagetothemachineandpersonalaccidents,pleasetrytoavoid

childreneasilyaccessibleplacestoinstallthehanger.

●During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.

●Installationasshownbelow,leaveventilationspacearoundtheunit:

HeatDissipation

INSTRUCTIONS

Distancefrommountingsurface(mm)

Leftandrightside

100

Atthetopofthe

300

Atthebottomofthe

100

Thebackofthe

100

Inadditiontomeetingtheaboverequirements,theareaofventilationholesonthebottom,sideand

topshouldnotbelessthan50%ofthesealingareatomaintainaircirculation.

Wheninstallingthewallmounting,theinstallationdepthofthewallmountingboltsshouldbegreater

than10mm.

*RefertoCAS132-2006standard.

Thisproductdoesnotprovidebuilt-incomputer,ifinstallpleasefollowthefollowingsteps:

Step1:Removethebaﬄefromtheslotofthebuilt-incomputerinterfacecard.

1.Horizontallypushthebuilt-incomputerintotheinterfacecardslotofthebuilt-incomputer.

GetstartedwithyourSmartLargeFormatDisplay(LFD) 1-3

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Built-inPCInstallation

PAYATTENTIONTO

WARNING

Donotdothefollowingoperationsonthebuilt-incomputer,otherwisetheproductmaybedamagedor

unusable!

Donotplugorunplugthebuilt-incomputerwhenthepowerison.Pleasemakesurethatthepower

isdisconnectedbeforeinsertingorunpluggingthebuilt-incomputer.

Donotusethebuilt-incomputerwithoutﬁxingscrewsorscrewsmissing.

Thisstepisoptionalandappliestomodelswithbaﬄes.

1-4 GetstartedwithyourSmartLargeFormatDisplay(LFD)

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Step2:Inserttheﬁxingscrewsthroughtheupperandlowermountingearsandtightenthem.

3 4 5 6 7

75inch

12 13

Appearance

Startthecomputerandenterthebuilt-incomputersignalchannel.Ifthescreenisbroken,thescreen

isblinking,orthereisnosignal,thebuilt-incomputerisnotinstalledproperly.Pleasecheckand

reinstallthebuilt-incomputer.

INSTRUCTIONS

GetstartedwithyourSmartLargeFormatDisplay(LFD) 1-5



TheI/OPanel

FrontI/OPanel

功能描述

name

ConnecttheUSBdevice.Suchasmobileharddisk,Udisk,USBkeyboardandmouse.

Supportsystemfollowing,type-csupportsignalinput

USB

ConnecttothetouchportofthePC.

TouchUSB

HDMIIN Hdsignalinputport.Combinedwith"TOUCHUSB",thePCcanbeoperatedin

TOUCHmode.

75inch

Infraredtouchscreen

Fullphysicaltoughened

protectiveglass

Powerkey

Remotereceivingdevice

/lightsensingdevice

Thefrontinterface

Thespeaker

Infraredbodysensor

Themicrophone8

Usb-aexternalcameraport

WIFImodule

Themainboardinterface

Apoweroutlet

Thepowerswitch

lRearI/Opane

1-6 GetstartedwithyourSmartLargeFormatDisplay(LFD)

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功能描述

name

Microphoneinputport

Themicrophone

Audioinputport,usedwithVGAinput.

VGAaudioinput

VGAsignalinputport.Combinedwith"TouchUSB",thePCcanbeoperatedinTouchmode.

VGAinput

Functionaldescription

Hdsignalinputport1.Combinedwith"TouchUSB",thePCcanbeoperatedinTouchmode.HDMI1,2,3inputs

Dpinput

ConnecttothetouchportofthePC.USB-2.0Btouch

USB3.0android

ConnecttheUSBdevice.Suchasmobileharddisk,Udisk,USBkeyboardandmouse.

Locatedontheside,supportsystemfollow.

USB2.0android

Windows

Networkinterface,connecttoRJ45terminal,wirednetworkconnection.

RJ45IN

Networkinterface,connectRJ45terminal,wirednetworkoutput.RJ45OUT

HDMIOUT

Audiooutputinterface,connectedtoaudioinputdevices,suchasheadphones,speakers

andotherdevices.

Headphoneoutput

SPDIF

Externalexpansionstorage.

Tfcardslotport

Opticalfiberoutputinterface.Connectaudioequipmentwithfiberopticinput,suchas

poweramplifier,stereo,speakerbox.

ConnectelectronicvideodeviceswithHDMIinput.

Localplayback,systemupgrade.

DPDigitalsignalinputport.Combinedwith"TouchUSB",thePCcanbeoperatedin

Touchmode.

Serialportsignalinputinterface,throughthespecificserialportcontrolequipmentinput

serialportprotocoltoachievethepurposeofcontrollingintelligentlargescreen.

RS232

ConnecttoaDVDorset-topbox.

AVIN

GetstartedwithyourSmartLargeFormatDisplay(LFD) 1-7



TheFrontButton

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).

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oﬀthesmartlargescreen,pleaseturnoﬀtheboatswitchunder

thesmartlargescreen(nexttothepowersocket)andpulloutthepowerplug.

PowerON

●Whentheintelligentlargescreenentersthehibernationorshutdownstate,thesystemchecks

whetherthebuilt-incomputerisshutdownfirst.Ifthebuilt-incomputerisnotshutdown,the

systemshutsdownthebuilt-incomputerfirstandthenentersthehibernationorshutdownstate.

●Theintelligentlargescreenneedstoentertheshutdownstatefirst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/offrepeatedlywithinashortperiodoftime,asthismayleadto

failure.

PowerOFF

POWERBUTTON

PAYATTENTIONTO

1-8 GetstartedwithyourSmartLargeFormatDisplay(LFD)



FeaturesAndSpeciﬁcations

ScreenSize

BacklightType

AspectRatio

ViewingAngle

Resolution

WorkingVoltage

Stand-byPowerConsumption

RatedPower(NoOPSplugin)

MaxPower(OPSoperating)

RatedCurrent

Speaker

CoverGlass

TouchSensingTechnology

TouchPoints

Viewableimagesize

Thewholemachinesize

StorageTemperature/Humidity

OperatingTemperature/Humidity

InstallationMethod

NetWeight

GrossWeight86kg

Packingsize

75"

LED

16:9

178°

3840×2160Pixel

100-240V,50/60Hz

<0.5W

≤309W

≤670W

Max5.0A

15W×2

Temperedglass

Infrared

20points

1649.66mm×927.94mm

1982.0x1209.2x92mm

-10℃〜60℃/10%〜80%RH

0℃〜40℃/20%RH〜80%RH

Wallhangingorﬂoorstandsupport

53kg

67kg

1982.0x1209.2x92mm

GetstartedwithyourSmartLargeFormatDisplay(LFD) 1-9



turnon

turnoff

function

7F0899A2B3

C402FF0100

7F0899A2B3

C402FF0101

CF

7F0999A2B3

C402FF0100

01CF00

7F0999A2B3

C402FF0101

01CF

IntelligentlargeSCREENRS232port

ConnecttheRS-232interfacetothecomputerorcentralcontroldevice.Afteropeningthe

RS-232serialportconnection,settheparametersasfollows.

Portnumber:COM1(setaccordingtothecomputerorcentralcontroldeviceportnumber)

Bitrate

Databits

parity no

Stopbit

Keycontrolcodesareassignedasfollows:(NoreturnparameterLFDAfterreceivingtheserial

portcommand,thereturncodeiswrittenintotheserialportandreturnedtotheupper

computer)

Controlcode Returncode note

SerialPortControl

Terminaldevice

RXD

TXD

GND

Computer

TXD

RXD

GND

Theshell GND

RS232communicationcable(pleaseusecrossdatacable)

1-10GetstartedwithyourSmartLargeFormatDisplay(LFD)

7F0899A2B3

C402FF0102

7F0999A2B3

C402FF0101

C F

7F0899A2B3

C402FF010A

7F0999A2B3

C402FF010A

01CF

7F0899A2B3

C402FF010B

7F0999A2B3

C402FF010B

01CF

7F0899A2B3

C402FF010C

7F0999A2B3

C402FF010C

01CF

7F0899A2B3

C402FF010D

7F0999A2B3

C402FF010D

01CF

7F0899A2B3

C402FF0115

7F0999A2B3

C402FF0115

01CF

7F0899A2B3

C402FF011D

7F0999A2B3

C402FF011D

01CF

7F0899A2B3

C402FF011C

7F0999A2B3

C402FF011C

01CF

7F0899A2B3

C402FF0117

7F0999A2B3

C402FF0117

01CF

7F0899A2B3

C402FF0118

7F0899A2B3

C402FF0118

7F0899A2B3

C402FF0157

7F0999A2B3

C402FF0157

01CF

HD2(HDMI2)

(HDMIRear)

HD1(HDMI1)

(HDMIRear)

OPS(HDMI3)

ComputerVGA

function Controlcode Returncode note

Mute

Alonetolisten

Return(exit)

Thehomepage

voice—

voice+

Switchthe

lockingstatus

ofchildlock

TheRemoteControl

Remotecontrolbuttons

InstructionsforremoteControl

●Donotdroportaptheremotecontrol.

●Donotspillwaterorotherliquidsontheremotecontrol.

●Donotplacetheremotecontrolondampobjects.

●Donotspillwaterorotherliquidsontheremotecontrol.Donotlettheremotecontroldirectly

exposedtothesunorneartheheatsourceofoverheating.

Usetheremotecontrolintherangeofabout5metersinfrontoftheremotecontrolreceptionofthis

productandabout30°Angleonbothsides.

Toavoidpossiblefailures,readthefollowinginstructionsandoperatetheremotecontrolcorrectly.

About5m

About5meters

ata45°Angle

GetstartedwithyourSmartLargeFormatDisplay(LFD) 1-11



Up/down/Left/rightselectkey

ReturntotheAndroidlauncher

Confirmthecurrentoperation

Function

PowerOn/OfftheLFD

Turnon/offthesourcelist

Themainmenuisdisplayedor

hidden

Returntothepreviousmenu

EntertheOPSsource

Key

MENUKEYS

OPS

NUMERICKEYS

RETURN

Reducethevolume

VOL-

Enterannotationmode

WHITEBOARD

SOURCE

HOMEPAGE

Turnupthevolume

VOL+

Mute/unmute

Enter/exitthescreenrestmode

About5meters

ata45°Angle

CAUTION



Chapter2  Exploreyoursmartlargeformatdisplay

Thissectiondescribesthebasicoperationfunctionsofthedisplay.

TeamsMeeting

Youcancreateaconferenceorjoinaconference.Userscancreateaconferenceorjoinaconference

throughtheconferenceinvitationcodetoachieveremotevideo,conversation,annotationandother

operations,andachievetrans-regionalandtrans-networkremotebusinesscommunication,sothatthe

teamcommunicationregardlessoftimeandspace,eﬃcientvideocommunicationanytimeand

anywhere.

Youcanaccessthemeetingpageineitherofthefollowingways:

●Clickthe"Meeting"icononthehomepage;

●Clickonthe"MoreApps"sectionandclickonthe"Teams"icon.

2-1 Exploreyoursmartlargeformatdisplay



QuickAccessControls

Onthehomescreen,clicktheicontoexpandalltheICONSintheﬂoatingbar.

ReturntotheAndroidlauncher

Sourceselection

Bringupthetaskmanagementsidebar

Enterannotationmode

Returntothepreviousmenu

Expand/hidetheﬂoatingbar

Exploreyoursmartlargeformatdisplay2-2

TheWhiteboard

Thewhiteboardisdesignedtoquicklyandconvenientlydisplaythewrittencontentofameetingto

participants.Userscanannotate,draw,insertﬂowchartsandpicturesonthewhiteboardpage.

Userscanaccessthewritingpadinthefollowingtwoways:

●Onthehomescreen,clickWhiteboardonthetoolbartogotothewritingpad.

●ClickWhiteboardontheMorepagetogotothewritingpadpage.

Supportssavingwhiteboardsourceﬁles,youcanopennexttimeto

continueediting.Supportdefaultname+manualname.

Savethesourceﬁle

Supportspreset6colors+universalcolorpalette,andadjustable

brightnesssupportswhiteboardpen+Markpentochoosetwopen

types:ﬁne,mediumandthick.

Pen

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.

Eraser

Supportthumbnaildisplay,navigationtoﬁndthedesiredcontent,

supportdisplayHeart,actualsize,displayallthreedisplaymodes.

Thumbnail

navigation

Unlimitedsteprollbackissupported.Allmeetingcontentsarerecorded,

andsingle-stepundoandrecoveryissupported.

Timetogoback

Supportmeetingminutes,writingnotesandothercontent,onekey

scancodetoviewthesharesave,andsupportsharingthecurrent

window.

Akeytoshare

Implementcanvaspaging1-6pages,canaddordeletethepages.

Pagemanagement

Functions

Name

2-3 Exploreyoursmartlargeformatdisplay



Hovertoolbar

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ﬁles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ﬁles,systemscreenshots,andscreenrecordings

withoneclick.

Holdtheﬁngeronthescreenformorethan2secondsandreleaseitto

callouttheﬂoatingtoolbar,whichisconvenientforuserstousethe

whiteboardquickly.Commontools:Ifnooperationisperformedfor

morethan2seconds,theﬂoating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floatingbar""icon;

2.Inthe"FileManagement"interface,clickthe""iconinthelowerrightcorneroftheinterface;

Exploreyoursmartlargeformatdisplay 2-4



Clickthisicontoreturntothecurrentinterfaceoperationstatefrom

annotationmode.

Choose

Clicktheicontoenterthewritingstate.Clickagaintosetthebrushcolor

andthickness.

Thebrush

Clicktheicontoentertheeraserfunction,clicktheiconagaintoset

theeraserdiameter.

Theeraser

Clearallcontentofthecurrentpage.

Clearthescreen

Returntothepreviousstep.

Undo

Capturethecurrentcommentpage,imagescanbeselectedtoimport

whiteboardandﬁlesharing.

Screenshots

Clicktheicontoexitannotationmode.

Exit

Clicktheicontohidethetoolbar,clickthehidearrowagaintoshowthe

toolbar.

Packup

AllFiles

Thefilemanagementpagedisplayslocalfilesinthecurrentsystem.Ifanexternalstoragedevice(such

asaUSBstoragedeviceoraremovableharddisk)isconnected,thefilecontentofthestoragedeviceis

alsodisplayed.Userscanpreview,filter,search,comment,andsharefilesonthefilemanagementpage.

Youcanaccessthefilemanagementpageinanyofthefollowingways:

●Onthehomescreen,clickthefileicon"".

●OntheMorescreen,clicktheFile""icon.

●IntheTaskManagementsidebar,clicktheImageManagementicon;

AllApplication

2-5 Exploreyoursmartlargeformatdisplay



ClickthecalculatorAPPtoenter,youcanrealizethefollowingfunctionsofadd,subtract,multiply

anddivideasshowninthepicturebelow.

TheCalculator

Youcanaccessthescreencapturescreeninanyofthefollowingways:

●Clickthe"Screenshot"iconofthe"More"interface;

●Clickthe"Screenshot"iconinthetaskManagementsidebar;

●Pressthe"TakeaScreenshot"buttononyourremotecontrol.

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fingerontherightAngleofthecaptureframeandslidetonarroworenlargethescreenshot.

Onthescreencapturescreen,clicktheicon""toinsertthecurrentscreenshotintothewhiteboard,

""toselectfullscreen,""toexitthescreenshot,and""toconfirmcapturingthecurrentscreen.

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Lenovo 62F4 User guide

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