BenQ RE6501 User Manual Download Page 1

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RE6501/RE7501/RE8601/RE9801
Interactive Flat Panel

User Manual

Summary of Contents for RE6501

Page 1: ...RE6501 RE7501 RE8601 RE9801 Interactive Flat Panel User Manual ...

Page 2: ...contents thereof without obligation to notify any person of such revision or changes Copyright Copyright 2020 BenQ Corporation All rights reserved No part of this publication may be reproduced transmitted transcribed stored in a retrieval system or translated into any language or computer language in any form or by any means electronic mechanical magnetic optical chemical manual or otherwise witho...

Page 3: ...ual and related document www BenQ com Business SUPPORT Downloads model name User Manual EU only Dismantled information Available on the user manual download page This document is provided based on Regulation EU 2019 2021 to repair or recycle your product Always contact the local customer service for servicing within the warranty period If you wish to repair an out of warranty product you are recom...

Page 4: ...f the display and their functions 13 Front Rear panel 13 Input output terminals 14 Remote control 16 Using the remote control 18 Connection 20 Connecting the VGA input 20 Connecting the touch module 20 Connecting the digital inputs 21 Connecting the video output 22 Connecting to serial port 23 Connecting power 24 Basic operations 25 Turning the display on or off 25 Initial setup 26 OSD Setting 26 ...

Page 5: ...2 Main interface 52 APPS 61 BenQ Suggests 61 InstaShare 62 InstaQPrint 63 WPS Office 64 Email 66 Side Tool Bar 67 Blizz 68 Product information 69 Specifications 69 Dimensions RE6501 71 Dimensions RE7501 72 Dimensions RE8601 73 Dimensions RE9801 74 Supported input signal resolution 75 Troubleshooting 76 Accessibility Requirements for Rehabilitation Act of 1973 Section 508 79 3 29 21 ...

Page 6: ...y Using wrong or unsuitable accessories may cause the display to fall and result in serious personal injuries Make sure that the surface and fixing points are strong enough to sustain the weight of the display To reduce the risk of electric shock do not remove covers No user serviceable parts inside Refer servicing to qualified service personnel To prevent personal injuries mounting the display or...

Page 7: ...nufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip over 13 Unplug this apparatus during lightning storms or when unused for long periods of time 14 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged ...

Page 8: ... the operation of the display This condensation will usually disappear after around 2 hours of normal operation RE series does not offer image retention function for more information please refer to installation guide If a still image is required for a display it is recommended to enable Pixel shift RE series does not support portrait use portrait use may cause display damage BenQ warranty will no...

Page 9: ...Bringing Enjoyment N Quality to Life corporate vision with the ultimate goal to achieve a low carbon society Besides meeting international regulatory requirement and standards pertaining to environmental management BenQ has spared no efforts in pushing our initiatives further to incorporate life cycle design in the aspects of material selection manufacturing packaging transportation using and disp...

Page 10: ...ontrol HDMI cable x 1 Touch pen x 2 Wall mount x 1 The type of power cord supplied may differ from that illustrated depending on your region of purchase Before discarding the package check that you haven t left any accessories inside the box Dispose of packaging materials wisely You can recycle the cardboard carton Consider storing the package if possible for future transport of the display Do not...

Page 11: ...serious personal injury or death To prevent injury this flat panel must be securely attached to the wall in accordance with the installation instructions Installing the display on a wall 1 Place a clean dry and lint free cloth on a flat horizontal and object free surface Make sure that the size of the cloth is larger than the display 2 Gently lay the display on the cloth with the LCD screen facing...

Page 12: ...tightened and secured properly Recommended torque 470 635N cm The mounting means should be strong enough to bear the weight of the display To maintain proper ventilation keep at least 10 mm of clear space from the back cover of the display to the wall Please consult a professional technician for wall mount installations The manufacturer accepts no liability for installations not performed by a pro...

Page 13: ...the power supply Power in Connects with the supplied power cord Ambient Light Sensor Detects the ambient room light conditions to automatically adjust the display backlight brightness Remote Control Sensor Receives the signal from the remote control Power Tap to enter energy saving mode Press and hold for 4 seconds or more to power off Home Press to back to main screen Return Press to return to pr...

Page 14: ...audio signals external computer s USB port needs to be connected to the corresponding group Under the condition that driver is installed external computer can be touch controlled through the equipment touch function is effective in VGA and HDMI channel by default HDMI Receives HDMI signals from an external device 11 12 13 14 No Name Description HDMI OUT Connects to display devices with an HDMI inp...

Page 15: ... RS232 Serial interface used for mutual transfer of data between devices YPbPr Receives component video YPbPr signals from an external device such as a DVD player HDTV device or Laser disc player AV IN Receives composite video signals from an external device such as a VCR or DVD player AV OUT Outputs composite video signals from a display device AUDIO OUT Connects to an external audio device such ...

Page 16: ...to the different mode under non Android system Mode Full 4 3 Film Subtitle PC mode MULTI MEDIA buttons The buttons are used to operate the media functions under Multi Media APP Numeric buttons 0 9 Press to enter numbers SCREEN SHOT Capture the printed screen and save to the USB drive CHLIST Delete a character view program list Note It is only working on some specific regions MUTE Turn on off the s...

Page 17: ...the screen the screen will turn black when the OSD menu is off Press again to resume MENU Activate the OSD menu FREEZE Freeze the screen OK Confirm the selected options or save changes CURSOR KEYS Scroll through settings and options in the OSD menu BACK Press this key to return to previous page HOME Show the main screen of Android system 2 3 1 7 8 9 12 16 14 18 22 21 23 5 6 4 10 13 11 17 15 19 24 ...

Page 18: ...rt ment cover 2 Insert the supplied batteries ensuring that the positive and negative marked battery terminals match the and marks in the battery compartment The supplied batteries are provided for your convenience so that you can operate the display straight away You should replace them as soon as possible 3 Refit the battery compartment cover ...

Page 19: ...ss the buttons Avoid getting the remote control wet or store it in humid environments like bathrooms If the display s remote control sensor window is exposed to direct sunlight or strong light the remote control may not operate properly In this situation change the light source readjust the angle of the display or operate the remote control from a location closer to display s remote control sensor...

Page 20: ...odule of the display supports easy Plug and Play operation There is no need to install additional drivers on the computer Avoid blocking the touch screen frame where sensors are located when initiating the touch module It is highly recommended that you connect the display to the PC or laptop directly Avoid connecting the display to a face plate device which may cause failures in touch operations I...

Page 21: ...r to the HDMI1 HDMI2 input jack on the display using an HDMI cable 2 To view images from this input press on the remote control to switch to the respective input source The applicable cable is not supplied and should be purchased separately The display provides a selection for the dual monitor mode HDMI cable DVD player Computer ...

Page 22: ...g the video output For computer 1 Use HDMI cable to connect from HDMI OUT to the respective jacks of the devices 2 Plug in power cord and switch power on 3 Press on the remote control to turn on the display HDMI OUT Projector ...

Page 23: ...plied and should be purchased separately This connection is applicable to straight through RS 232C cable only After using serial port line to connect central control equipment and machine certain function of the machine can be controlled via central control equipment such as machine on off and adjustment of sound volume etc RS 232C cable Computer ...

Page 24: ...nes used in your region Only use an appropriate power cord for your region Never use a power cord which appears damaged or frayed or change the plug type on the power cord Be aware of the power loading when you use extension cords or multiple outlet power boards There are no user serviceable parts in this display Never unscrew or remove any covers There are dangerous voltages inside the display Tu...

Page 25: ...s the Power button on the control panel or on the remote control The system will automatically enter standby mode To turn on the display press the ON OFF button on the control panel or on the remote control To turn off the display press the ON OFF button on the control panel or on the remote control The system will automatically enter standby mode AC IN Power Switch Power Button IR Receiver The di...

Page 26: ... display Wait for the display to boot up with the BenQ screen This may take a moment 2 Tap Next on the screen to begin Follow the on screen instructions to set up the language date and time and network Or your can skip some of these steps and complete the setup later OSD Setting Under Connection you can select a desired input source and adjust backlight Refer to Input settings on page 39 for more ...

Page 27: ... brightness Admin Log in as Admin Under Personal settings you can change the headshot wallpaper and password You can also enable AMS service set Available offline accounts and check Device information Multiple users To access your personal account you have to ask the administrator to activate AMS service first and create your account through IAM service Refer to User Management on page 28 for more...

Page 28: ... to create your account through BENQ IAM web service Creating a new account 1 As an administrator to create a new account for regular users go to BenQ Service website https ams benq com Suggested browsers are Chrome Firefox 2 Log in and choose IAM 3 Click Create New Account to continue ...

Page 29: ...dress and activate the X Sign and Broadcast service Click Submit to create a new account 5 The account has been created and a verifying email is sent to the new account owner You can esaily switch to different services X Sign DMS AMS Broadcast by clicking the icon on the upper right corner ...

Page 30: ...play To check if there is a software update available for your device or to obtain the software license key please visit https business display benq com en findproduct signage software partner software download html Then enter the serial number can be found on the sticker attached on the back of the display and click OK to access the Software download page Setting up the Internet connection Your d...

Page 31: ...ss shown please connect the display to the ethernet cable Wireless connection You must use a wireless adapter in order to connect the display to the Internet wirelessly Please contact your local dealer for more information on configuring the wireless connection 1 Press on the remote control or go to Network Wi Fi ...

Page 32: ...password is needed if it is your first time to use the network Key in the password and press Connect The device is now connected to the WLAN If you are connecting to a secured wireless network enter the password for the wireless network access when prompted and tap Connect For wireless connection BenQ shipment does not include wireless dongles therefore you may purchase it separately via the local...

Page 33: ...About System updates 2 If there is an update available the system will begin updating Adjusting audio volume level To adjust the audio volume level do either one of the following Press on the remote control to adjust the volume Press on the front panel of the display Go to Setting General to adjust the volume Refer to General settings on page 40 for more information Software update process may tak...

Page 34: ...list of gestures you can use on the touch screen Ensure that you have installed the USB cable on the display to a computer Windows is a registered trademark of Microsoft Corporation in the United States and other countries OS functions Gesture actions For Windows XP Windows 7 Windows 8 and Windows 10 Click Tap the screen once Double click Tap the screen twice Right click 1 Press on the target 2 Ho...

Page 35: ...er Flick in a desired direction Multi touch functions For Windows 7 Home Premium Professional Enterprise and Ultimate versions Right click 1 Press on the target 2 Tap the screen with another finger 3 Release the second finger Scrolling Drag one or two fingers up or down Zoom Move two fingers apart or toward each other OS functions Gesture actions or ...

Page 36: ...e S3 Press and hold for 4 seconds OS functions Gesture actions Gesture Description For Windows 8 Press and hold to learn This touch interaction causes detailed information or teaching visuals for example a tooltip or context menu to be displayed without a commitment to an action Anything displayed this way should not prevent users from panning if they begin sliding their finger Tap for primary act...

Page 37: ...o the panning direction selects objects in a list or grid ListView and GridLayout controls Display the AppBar with relevant commands when objects are selected Pinch and stretch to zoom While the pinch and stretch gestures are commonly used for resizing they also enable jumping to the beginning end or anywhere within content with Semantic Zoom A SemanticZoom control provides a zoomed out view for s...

Page 38: ...ll amount of alcohol to clean the infrared plastic filter To avoid damage to the screen never use any type of abrasive materials to wipe the screen Use a neutral detergent to clean the touch screen Avoid using detergents with erosive substance such as banana oil or ammonia Moisten a clean soft lint free cloth with a neutral detergent and then clean the touch screen Do not spray a detergent on the ...

Page 39: ...OSD menu Settings menu Input settings Press on the remote control Menu on the front panel or drag from the bottom middle to the center of the screen to enter the OSD menu Press on the remote control and press OK to confirm or directly click a desired input source Press on the remote control or click a blank area outside the menu to exit the menu ...

Page 40: ...wipe to enable or disable Mute Go to More to enter Audio menu Picture Under Picture use the brightness bar to adjust the brightness for the display You can enable the Eye Care function on the OSD menu Eye Care switches the display s low blue light mode and activates the flicker free function Directly swipe to enable or disable Auto Backlight Go to More to enter Picture menu ...

Page 41: ...setting is Picture Mode Standard Brightness 50 Contrast 50 and Color Temperature Normal and then enable Eye Care function To accord with Flicker Free TUV certificated the default setting is Picture Mode Standard Brightness 50 Contrast 50 and Color Temperature Normal Suggestions for long term use of the display Rest your eyes for 10 minutes after 30 minutes of continuous use For every 20 minutes of...

Page 42: ...ss OK to confirm or directly click an item Press on the remote control or click a blank area outside the menu to exit the menu Menu Description Balance Drag the knob to adjust the balance Sound Mode Touch a preset sound environment Options are Class Movie or Meeting mode ...

Page 43: ...re mode Options are Eco Standard Bright and Soft Under Eco mode Brightness Contrast and Color Temperature are locked Brightness Under Standard Bright and Soft mode press on the remote control or drag the knob to adjust the brightness Contrast Under Standard Bright and Soft mode press on the remote control or drag the knob to adjust the contrast Color Temperature Press on the remote control or clic...

Page 44: ...an item Press on the remote control or click a blank area outside the menu to exit the menu Press on the remote control and press OK to adjust image The display automatically enters energy saving mode when no one is detected within the sensor s range Menu Description Aspect ratio Press on the remote control or click an aspect ratio Options are 16 9 or PTP ...

Page 45: ... Position V Position Clock rate and Phase functions to manually adjust the image More settings Advanced settings Go to Device Advanced settings Press on the remote control and press OK to confirm or directly click an item Menu Description H Position Press to move the screen to the left or right V Position Press to move the screen up or down ...

Page 46: ...rol IR sensor on the front panel of the display Touch lock Press OK on the remote control or click the switch to lock or unlock the screen Pixel shift Press OK on the remote control or click the icon to set a pixel shift preventing from image retention DCR Press OK on the remote control to enable or disable DCR If keypad IR and touch are locked all at once please follow the steps to unlock Press o...

Page 47: ...rd Input methods in Android Startup Shutdown Click to set the Startup channel OPS startup option Wake on Lan and Power off reminder Refer to Startup Shutdown on page 49 for more information Floating tool Click to open and close the floating tool Refer to AMS file manager overview on page 54 for more information About Click to view system information in Android The amount of available storage space...

Page 48: ...Menu operations 48 Proxy setting Go to Network Ethernet Press Proxy to go to the proxy setting Enter the proxy host name Enter the using channel ...

Page 49: ...Menu operations 49 Startup Shutdown Go to System Startup Shutdown For Startup source you can choose Last channel or other sources ...

Page 50: ...Menu operations 50 For Built in OPS startup option you can choose Startup only through OPS built in startup option or startup through any channel ...

Page 51: ...Menu operations 51 For Power off reminder you can set on or off time Schedules can be made by choosing the days of the week ...

Page 52: ...id main interface Press on the remote control or Home button on the front panel to return to the main interface Press on the remote control or drag the OSD menu up from the bottom center of the screen to enter the OSD menu to select an input Note that this is a closed Android OS Download and use of unauthorized apps on this system are not available ...

Page 53: ...g Annotation Toolbar around You can also click the button to close the floating toolbar and clear all the brushes Annotate Click to switch the color of the brush Color options are blue red green and black Palm eraser is provided for you to erase any contents on the display just with your palm while you are writing without switching to Eraser Whiteboard Click to start EZWrite 5 0 Clear All Click to...

Page 54: ...o launch AMS With this application you can access your personalized workspace environment and settings and manage your files and accounts on any IFP that you have logged into While logging in you will see four main parts as described in the table below 1 2 4 3 ...

Page 55: ...also open files from the local devices like Internal My Folder or connected USBs The icon next to Google Drive Dropbox shows that the account is bound to AMS service 2 Folder Path You can browse the file folder in this area 3 Listing Files You can see a list of files from the storage device you select 4 Operating Tab You can edit the files using the operating tabs here Regular users can only view ...

Page 56: ...urrent image clockwise Go to the settings See the information about the file name creation time file size and the file format File Image Supported range bmp BMP Max Resolution 8000 8000 Min Resolution 4 x 4 gif GIF Max Resolution 8000 8000 Min Resolution 4 x 4 jpeg jpg JPEG JPG Max Resolution 8000 8000 Min Resolution 4 x 4 png PNG Max Resolution 8000 8000 Min Resolution 4 x 4 ...

Page 57: ...list Play the previous audio file Play pause the current audio file Play the next audio file Check the audio information File Format Audio Codec Supported range aac AAC AAC Sample Rate 8K 96KHz Bit Rate 24K 576Kbps ape Monkey s Audio Monkey s Audio Sample Rate Max 48KHz Bit Rate max 1411Kbps flac FLAC FLAC Sample Rate Max 192KHz Bit Rate max 1411Kbps m4a ALAC ALAC Sample Rate 8K 96KHz Bit Rate 24K...

Page 58: ...udio Layer3 MPEG1 2 layer3 Sample Rate 8K 48KHz Bit Rate 32K 320Kbps ogg Vorbis Vorbis Sample Rate 8K 48KHz Bit Rate max 256Kbps wav WAV LPCM Sample Rate 8K 192KHz Bit Rate max 320Kbps Icon Function Adjust the video volume Play the previous video file Play pause the current video file Play the next audio file File Format Audio Codec Supported range ...

Page 59: ...MPEG 2 1920 1088 30 Fps 80Mbps MPEG 4 1920 1088 30 Fps 50Mbps MJPEG 1920 1080 30 Fps 150Mbps flv H 263 MPEG1 2 Layer3 AAC 1920 1088 30 Fps 5Mbps VP6 1920 1088 30 Fps 40Mbps H 264 3840 2160 30 Fps 160Mbps f4v H 264 AAC 3840 2160 30 Fps 160Mbps mkv H 264 AAC MPEG1 2 Layer3 3840 2160 30 Fps 160Mbps H 265 3840 2160 60 Fps 160Mbps Vc 1 1920 1088 30 Fps 45Mbps mov H 264 AAC PCM 3840 2160 30 Fps 160Mbps ...

Page 60: ... 30 Fps 160Mbps MPEG 1 1920 1088 30 Fps 80Mbps MPEG 2 1920 1088 30 Fps 80Mbps ts H 264 AACAAC MPEG1 2 Layer3 3840 2160 30 Fps 160Mbps H 265 3840 2160 60 Fps 160Mbps MPEG 2 1920 1088 30 Fps 80Mbps MPEG 4 1920 1088 30 Fps 50Mbps VC 1 AP 1920 1088 30 Fps 45Mbps File Codec Extensions Video Audio Maximum transmit ratio ...

Page 61: ... application you can view apps suggested by BenQ for download Tap the category on the left panel to browse the suggested apps Tap an app from the selected category to view a basic description of the app Function Description Search Tap to search for an app Education Tap to show the suggested apps in the Education category ...

Page 62: ...D name that you want to connect to or enter the pairing code 4 Enter the connect code shown on the upper right corner of the display or you can also find the connection code in Setting 5 Once the mobile device has successfully connected to the display a confirmation message will appear on the display Tap Allow on the display to confirm the connection 6 Once connected you can Mirror the display s s...

Page 63: ...staQPrint With this application you can print a file or website image using a Wi Fi or remote printer 1 Tap the option on the left panel and browse and select the desired file photo page or image you want to print Once connected any operations on the display or mobile device will also show up on your mobile device and display Before launching the application make sure your display is properly conn...

Page 64: ... printers automatically Tap Manual Setup to add a new printer manually WPS Office Tap to launch WPS Office With this application you can open document files including PDFs as well as Microsoft Word PowerPoint and Excel documents To edit a file with WPS Office 1 Tap Open on the left panel to browse and open a file located in either the dis play s internal memory an external storage device or cloud ...

Page 65: ...dit Tap to edit the content or format of the slides Insert Tap to insert tables pictures charts comments video or audio Transitions Tap to apply or adjust the timing of a transition Pen Tap to write draw paint or sketch to the slides Play Tap to start a slide show Save As Tap to save the presentation file on either the display s internal memory an external storage device or cloud storage Undo Tap ...

Page 66: ...il set up an account first Type your Email address and click NEXT After you ve signed up you will receive a verification email After you respond to the Email verification you can begin writing email Office Software Supported File Formats Word wps wpt doc docx dot dotx txt log irc c cpp h asm s java asp bat bas prg cmd Excel et ett xls xlsx xlt xltx csv xlsm xltm PowerPoint ppt pptx ...

Page 67: ...erface Return Tap to return to previous operation interface SwitchQ Tap to switch tasks between recent apps and input sources EZWrite 5 0 Tap to enter EZWrite 5 0 software Connection Tap to enter Connection to select the input source Floating Annotation Toolbar Click to open the floating tool ...

Page 68: ...ers 1 On the home screen select Apps Blizz 2 Select Sign In if you want to create a new meeting select Join a Meeting if you want to join an already created meeting After signing in create a meeting ID which will be the meeting ID other users will enter to join the meeting If joining a meeting enter the meeting ID provided by the creator of the meeting in the Join a Meeting page ...

Page 69: ...l Vertical 178 178 Response time ms typical 8 Panel Bit 10 bit Touch Touch Technology IR Touch Touch Method Finger Stylus Resolution 32767 x 32767 Numbers of Touch 20 points varies from operating systems and applications Touch Output x 2 USB type B Operating System Touch Driver Free Windows 7 8 10 Mac OS10 12 10 14 Chrome 54 56 touch function varies from releases Panel glass Tempered glass RE6501 ...

Page 70: ...g RE6501 44kg 56kg RE7501 61kg 78kg RE8601 79kg 97 5kg RE9801 113kg 165kg Without With Packing Dimensions W x H x D mm RE6501 1506 28 x 901 32 x 96 1 RE7501 1735 98 x 1034 52 x103 75 RE8601 1991 57 x 1182 61 x 112 8 RE9801 2244 9 x 1340 4 x 108 2 Specifications and functions are subject to change without notice Item RE6501 RE7501 RE8601 RE9801 System CPU A73x2 A53x2 1 5GHz System Memory 3GB Storag...

Page 71: ...Product information 71 Dimensions RE6501 Unit mm 7 9 5 23 1 1 287 1 7 9 5 23 1 1 287 1 02817 6 5 7 5 37 0 ...

Page 72: ...Product information 72 Dimensions RE7501 Unit mm 287 1 287 1 7 9 5 7 9 5 287 1 23 1 1 02817 6 5 7 5 37 0 ...

Page 73: ...Product information 73 Dimensions RE8601 Unit mm 7 9 5 23 1 1 287 1 7 9 5 287 1 23 1 1 02817 6 5 7 5 37 0 ...

Page 74: ...Product information 74 Dimensions RE9801 Unit mm 287 1 0 16 21 1 7 9 5 5 287 1 0 16 21 7 9 5 1 23 1 1 23 1 1 02817 6 5 7 5 37 0 00 ...

Page 75: ...4 x 768 60Hz 1280 x 720 60Hz 1280 x 960 60Hz 1360 x 768 60Hz 1366 x 768 60Hz 1600 x 900 60Hz 1680 x 1050 60Hz 1920 x 1080 30Hz 1920 x 1080 50Hz 1920 x 1080 60Hz 3840 x 2160 30Hz 3840 x 2160 50Hz 3840 x 2160 60Hz 480i 60Hz 480p 60Hz 576i 50Hz 576p 50Hz 720p 50Hz 720p 60Hz 1080i 50Hz 1080i 60Hz 1080p 50Hz 1080p 60Hz supported Vacant not supported ...

Page 76: ...ry again No sound Check the following Have you turned on the mute function on the display or the input source device Turn off the mute function or increase the audio volume level and try again Are there any loose cable connections Make sure that all cables are connected firmly The computer input image looks strange Have you chosen an unsupported output resolution on the computer Refer to Dimension...

Page 77: ...ng to failure of remote control Check whether the battery electrode in the remote control is correct Check whether remote control needs to replace battery Machine automatically shutdown Whether set sleep or not Check whether there is sudden power outage Check whether there is no signal automatic shutdown Signal out of range Check whether display is set correctly Check whether resolution is the bes...

Page 78: ...ools are placed around the machine No color color is weak or image is weak Adjust chromaticity and brightness or contrast in menu Check whether signal wire is well connected With image but without sound Check whether mute button is pressed for mute Press VOL VOL to adjust volume Check whether audio line is connected correctly Only one speaker has sound Adjust sound balance in menu Check whether co...

Page 79: ...ailable by using the On Screen Display OSD controls on the products BenQ s displays include user selectable color controls such as color temperature selections IFP 5500K 9300K 12000K DS 6500K 9300K 12000K with a wide range of contrast levels BenQ s multimedia displays usually have one or two speakers for audio performance which allow users including hearing impaired to interact with the computer s...

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