BenQ RP654K User Manual Download Page 43

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Menu operations

Display settings

Click

the

General Setting

menu to enter the

Display

menu.

• Press









on the remote control and press

ENTER

on the remote control to

confirm or directly click an item.

• Press

BACK

on the remote control or click a blank area outside the menu to exit the

menu.

Menu

Description

Brightness

Press

VOL+

VOL-

on the remote control or drag the knob to

adjust the brightness.

Contrast

Press

VOL+

VOL-

on the remote control or drag the knob to

adjust the contrast.

Hue

Press

VOL+

VOL-

on the remote control or drag the knob to

adjust the hue.

Sharpness

Press

VOL+

VOL-

on the remote control or drag the knob to

adjust the sharpness.

Picture Mode

Press

VOL+

VOL-

on the remote control or click a picture

mode. Options are

Standard

Bright

Soft

, and

Custom

Color Temp.

Press

VOL+

VOL-

on the remote control or click a preset

color temperature for the image. Options are

Standard

Cold

Classroom

There is no

Hue

and

Sharpness

for HDMI and VGA settings.

Summary of Contents for RP654K

Page 1: ...RP654K RP704K RP750K RP860K LCD Monitor User Manual ...

Page 2: ...contents thereof without obligation to notify any person of such revision or changes Copyright Copyright 2017 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: ...s 8 Front panel 8 Input output terminals 9 Remote control 10 Using the remote control 12 Connection 14 Connecting the VGA input 14 Connecting the touch module 14 Connecting the digital inputs 15 Connecting the AV inputs 16 Connecting the coaxial output 17 Connecting the video output 18 Connecting to serial port 19 Connecting power 20 Basic operations 21 Turning the display on or off 21 Turning off...

Page 4: ...ystem settings 42 Android system interface 47 Main interface 47 APPS 54 BenQ Suggest 54 InstaQShare 55 InstaQPrint 56 WPS Office 57 Keeper 59 Screen Push 59 Maths Tutor 60 Email 61 Side Tool Bar 62 Zoom 63 Product information 64 Specifications 64 Dimensions RP654K 67 Dimensions RP704K 68 Dimensions RP750K 69 Dimensions RP860K 70 Supported input signal resolution 71 Troubleshooting 73 7 10 17 ...

Page 5: ...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 6: ...ecified by the manufacturer 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...

Page 7: ...his condensation will usually disappear after around 2 hours of normal operation RP 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 See Adjust settings VGA only on page 40 for more information RP series does not support portrait use portrait use may cause displa...

Page 8: ...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 9: ... x 1 AAA battery x 2 NFCPen x 2 Remote control 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 lea...

Page 10: ...o qualified technicians Improper installation may cause the display to fall or malfunction 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 down 3 Remove the desktop stands from the display if installed...

Page 11: ...ightened 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 prof...

Page 12: ...n screen Return Press to return to previous level of menu Menu Press to enter function menu Volume Down Press to decrease volume Volume Up Press to increase volume Media USB IFP USB interface Mic To receive sound Light Sensor To detect if a source of light moves toward the sensor s range Remote Control Signal Receiver Receive remote control signals Do not obstruct the receiver NFC Function NFC Sen...

Page 13: ...effective in VGA and HDMI channel by default DP IN Connect a video source to a display device AUDIO IN External computer audio input VGA IN Receive analog RGB signals from an external device such as a computer AV IN Composite video and audio input COAX OUT Coaxial output RS232 Serial interface used for mutual transfer of data between devices AUDIO OUT Output audio signals to an external device LAN...

Page 14: ... close button Numeric buttons Perform as numeric buttons Display Show the current input source and information TV channel return key INPUT Select the input source Refer to Switching input signals on page 26 for more information HOME Android system main screen button MENU Open or close the OSD menu Red button Lock the keyboard and touch function Green button Lock keypad Yellow button Lock touch Blu...

Page 15: ...es Quickly start writing application EZWrite Select writing pen quickly if the application is started Back Return key PgUp Built in computer page previous page PgDn Built in computer page next page CH CH Channel switch key VOL VOL Volume switch key F1 F12 Built in computer F1 F12 function keys Build in computer is not available All buttons related to computer are regarded as disabled in case of no...

Page 16: ...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 17: ...ons Do not let the remote control become wet or place 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 window...

Page 18: ...ied USB cable The touch module 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 failu...

Page 19: ...he display using an HDMI cable 2 To view images from this input press the INPUT button on the remote control to switch to respective input source The applicable cable is not supplied and should be purchased separately The display provides a selection for the dual monitor mode TOUCH 1 port must be connected with HDMI 1 or HDMI 2 DVD player HDMI cable Computer ...

Page 20: ...nnect the VCR s audio output jacks to the AV IN jacks on the display using a suitable audio cable 3 To view images from this input press the INPUT button on the remote control to switch to respective input source The applicable cable is not supplied and should be purchased separately Set Top Box AV cable VCR DVD player Satellite Receiver Camcorder Video Game Console ...

Page 21: ...oaxial out for acoustic applications 1 Use coaxial cable to connect via COAX OUT to your audio equipment 2 Plug in power cord and switch power on The applicable cable is not supplied and should be purchased separately Coaxial cable drive Audio equipment ...

Page 22: ... 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 cable HDMI IN HDMI OUT ...

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 Computer RS 232C cable ...

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: ... screen to turn off the display without using the remote control To turn on the display press the Power button on the control panel or on the remote control To turn off the display press the Power button on the control panel or on the remote control The system will automatically enter standby mode Power Switch IR Receiver Power Button The display s standby mode still consumes power To completely c...

Page 26: ... display and complete the initial setup 1 Turn on the 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 Account setting Tap Account Setting on the screen to set account General Settin...

Page 27: ...Set Wakeup Without Password to on and next time you don t need to enter password to unlock the display on wakeup 3 Log in as Admin Set Multi Account Mode to off to close the multi account mode The maximum number of accounts available is 30 ...

Page 28: ...ount Information you can change the password and headshot 2 Set Login Without Password to on and now you are free from logins 3 Click Write to NFC Card then a dialog window will pop up Contact BenQ dealer if you re interested in purchasing the NFC Card ...

Page 29: ...n the front panel Now you can have access to NFC function User Management Under User Management you can manage users and add new users by clicking Add User Do not remove the NFC Card from the sensor area until you hear a beep sound and see a dialog window indicating the process is completed ...

Page 30: ...re BenQ may periodically release software updates that may add functions or applications associated with your display To check if there is a software update available for your device or to obtain the software license key please visit http DSdownload BenQ com 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 pag...

Page 31: ...Basic operations 27 Network setting 1 On the home screen select Apps Settings 2 Go to Ethernet set the switcher to On ...

Page 32: ...ongle to one of the USB ports follow the steps below 1 Set Switcher to On to connect to a wireless network 2 A list of available networks will show on the screen Touch the network s name to connect to the network The password is needed if it is your first time to use the network 3 Key in the password and press Connect The device is now connected to the WLAN ...

Page 33: ... will prompt you to download it every time you turn on the display If you want to update the software choose NETWORK UPDATE or USB UPDATE to continue the update Or your can skip this step and update the software later To manually update the software 1 On the home screen select Apps Settings 2 Go to About device and select System updates ...

Page 34: ...rol to adjust the volume Press on the front panel of the display Use the volume bar on the General Setting menu Refer to Switching input signals on page 26 for more information Software update process may take some time to complete During the update process do not turn off the device or disconnect the Internet connection Any interruptions during the software update process may permanently damage y...

Page 35: ...y supported by Windows 10 Windows 8 Windows 7 Home Premium Professional Enterprise and Ultimate versions For Windows XP Windows Vista and Windows 7 Starter and Home Basic versions multi touch is not supported Windows is a registered trademark of Microsoft Corporation in the United States and other countries OS functions Gesture actions For Windows XP Windows Vista Windows 7 Windows 8 1 and Windows...

Page 36: ...our finger 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 37: ...eep mode 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 prim...

Page 38: ...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 39: ...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 40: ... the screen to enter the General Setting menu Press on the remote control and press ENTER on the remote control to confirm or directly click a desired input source Press BACK on the remote control or click a blank area outside the menu to exit the menu You can enable the Eye Care function on the OSD menu Eye Care switches the display low blue light mode and activates the flicker free function Use ...

Page 41: ...the remote control and press ENTER on the remote control to confirm or directly click an item Press BACK on the remote control or click a blank area outside the menu to exit the menu Press MUTE on the remote control or directly click to enable or disable Mute The performance of PIR Sensor would be limited by the environment and objects around Menu Description Volume Drag the knob to adjust the vol...

Page 42: ...age click to enable or disable AutoLight and SaveEnergy AutoLight detects the ambient light of your room and automatically adjust the screen brightness SaveEnergy reduces the screen brightness of the display to save power The display automatically enters energy saving mode when no one is detected within the sensor s range The display automatically turns off when no one is detected within the senso...

Page 43: ...just the brightness Contrast Press VOL VOL on the remote control or drag the knob to adjust the contrast Hue Press VOL VOL on the remote control or drag the knob to adjust the hue Sharpness Press VOL VOL on the remote control or drag the knob to adjust the sharpness Picture Mode Press VOL VOL on the remote control or click a picture mode Options are Standard Bright Soft and Custom Color Temp Press...

Page 44: ...m or directly click an item Press BACK on the remote control or click a blank area outside the menu to exit the menu Menu Description H Position Press to move the screen to the left or right V Position Press ENTER on the remote control or click the switch to lock or unlock the remote control IR sensor on the front panel of the display Menu Description Key Lock Press ENTER on the remote control or ...

Page 45: ...hift Press ENTER on the remote control or click the icon to set a pixel shift preventing from image retention Power Schedule Press ENTER on the remote control or click the icon to set a power schedule The Key Lock and IR Lock functions cannot be enabled at the same time For image retention please see Notes on the LCD panel of this display on page 2 for more information ...

Page 46: ...Service Click to retrieve file for clients using the SMB CIFS Server Message Block Common Internet File System protocol You can share the folders in IFPs or in devices within the same domain e g PCs or NBs To download data in IFPs to PCs establish a connection through the IP address You can set a password for the account for account security Display Click to set visual preferences on Font size and...

Page 47: ...up option Standby after startup and Timer switch Refer to Startup and shutdown on page 45 for more information Input Setting Click to change the name of input sources Other Setting Click to open and close the floating tool Date time Click to set date time and their formats in Android About device Click to view system information in Android The amount of available storage space for the user varies ...

Page 48: ...Menu operations 44 Click Manual under Proxy Options Description Proxy hostname Enter the proxy server name Proxy port Enter the using channel Bypass proxy for For local server address only ...

Page 49: ...tup and shutdown Click Startup and shutdown on the Settings menu For Startup channel you can choose Last shutdown channel or Default startup channel Under Default startup channel you can choose from a variety of channel types ...

Page 50: ...tup option 1 open the OSD menu select PC and start PC built in 2 PC Built in is set to start up automatically when the IFP boots For Timer switch reminders include boot time and off time Schedules can be made by choosing the days of the week ...

Page 51: ... press ENTER to execute the program or directly tap the icon Press HOME on the remote control or Home button on the front panel to return to the main interface Press INPUT on the remote control or drag the General Setting menu up from the bottom center of the screen to enter the General Setting menu to select an input Note that this is a closed Android OS Download and use of unauthorized apps on t...

Page 52: ...g press this button to drag and move the Floating Annotation Toolbar around You can also click the button to close the floating toolbar and clear all the brushes Whiteboard Click to start EZWrite 4 0 Annotate Click to switch the color of the brush Color options are blue red green and black Clear All Click to erase all annotations on the screen You may also quickly erase any annotations made by wip...

Page 53: ...e storage device 5 Exit Click to exit EZFinder 6 Sort Click to sort the files shown in EZFinder Sorting options include Name Type Size and Time 7 Thumbnail List Click to view files either in thumbnail or list view 8 Select Add Folder Click to select multiple files or add a folder When the Select button is clicked it will become a Cancel button and the Add Folder button will become a Select All but...

Page 54: ...w of the selected file along with file details Icon Function Close the current playback Magnify the current image Shrink the current image Play the previous image Play pause the current playback Play the next image Rotate the current image counter clockwise Rotate the current image clockwise Set the animation effect and playing interval for images being played and set the current image as the wall...

Page 55: ...y the previous audio file Play pause the current playback Play the next audio file Check audio files in the playlist Supported audio format codec wma WMA WMAPro 128Kbps 320Kbps 8KHz 48KHz sampling rate mp3 MPEG Layer 3 32Kbps 320Kbps 32KHz 48KHz sampling rate wav PCM Max 320Kbps Max 48kHz sampling rate ADPCM 384Kbps 8KHz 48Khz sampling rate m4a ACC 24kbps 384kbps 16KHz 48KHz sampling rate ogg Vorb...

Page 56: ...o Supported video format codec up to 4K resolution 3gp H 264 MP HP Level 4 1 H263 MPEG 4 SP L0 3 ASP L0 5 avi MPEG 1 MPEG 2 MP HL MPEG 4 SP L0 3 ASP L0 5 H 264 MP HP Level 4 1 H263 VP6 MJPEG mkv VP9 H 265 mov MPEG 4 SP L0 3 ASP L0 5 MJPEG H 264 MP HP Level 4 1 H265 mp4 MPEG 4 SP L0 3 ASP L0 5 H 264 MP HP Level 4 1 H265 mpg mpeg MPEG 1 MPEG 2 MP HL H 264 MP HP Level 4 1 ts MPEG 2 MP HL MPEG 4 SP L0...

Page 57: ...Browser When connected to a network click on the browser icon to surf the Internet Click on the symbol X in the upper left corner to close it Menu Menu is the shortcut to settings menu Refer to Settings menu on page 36 for details ...

Page 58: ...on about Quickoff please see Turning off the display by Quickoff on page 21 BenQ Suggest Tap to launch BenQ Suggest With this 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 ...

Page 59: ...bile device and then click the InstaQShare ID name that you want to connect to 4 Enter the password shown on the upper right corner of the display 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 screen on your mobile device by tapping...

Page 60: ... 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 2 Tap Manage Printers to choose which printer that you want to use 3 To select a printer Tap an option from the list of available printers on the left panel Tap Scan for Wi Fi Printers to search for printers automatically Once connected any operations on the disp...

Page 61: ...ord 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 storage 2 Tap the function menu on the top panel to access the file format s various functions The description below is for a Powerpoint file the function menus for other file formats will vary ...

Page 62: ... 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 to undo an action Redo Tap to redo the last action Close Tap to close the presentation file Back Tap to return to the previous page...

Page 63: ... tap Memory Clean and Garbage Clean to clean up unwanted files Screen Push Tap to launch Screen Push With this application you can duplicate your screen on multiple IFPs by connecting your IFP with other IFPs in the same LAN 1 Swipe to unlock Open Screen Push and Accept Push Automatically 2 Connected device will be shown on the screen 3 Your screen will be duplicated to other IFPs in the same LAN ...

Page 64: ...ve and informative content with full curriculum alignment for teachers to enhance the learning experience Tap to launch Maths Tutor Not simply game based Maths Tutor provides a complete solution for users to learn practice and assess important numeracy skills ...

Page 65: ...ile device is in the same LAN with the IFP Email Tap to launch Email To use Email set up an account first Type your Email address and click NEXT After you ve signed up you will receive a verification email All topics in the app include a section for users to track their progress and assess their level of understanding ...

Page 66: ...ool Bar Side Tool Bar gives you access to a number of tools to help you work with your display Function Description Return Tap to return to previous operation interface Home Tap to return to Home interface Shortcut Tap to pop up Shortcut menu EZWrite 4 0 Tap to enter EZWrite 4 0 software ...

Page 67: ...d 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 Color Tap to change pen colors SpotLight Tap to open SpotLight CountDown Tap to open CountDown function StopWatch Tap to open StopWatch function AirClass Tap to open AirClas...

Page 68: ...Bit Dithering 10 bit Touch Technology Infrared Technology Touch Method Finger Stylus Resolution 32767 32767 Capacity 10 points writing 20 points touching varies from operating systems and applications Accuracy 2mm over 90 of touchable area Touch Output USB type B x 2 Operating System Windows Linux Mac Android Chrome touch function varies from releases Panel glass Tempered glass AG 80 Coating Thick...

Page 69: ...ape Only Mechanical Weight kg RP654K 49 61 without packing with packing RP704K 58 71 without packing with packing RP750K 64 80 without packing with packing RP860K 81 108 without packing with packing Dimensions W x H x D mm RP654K 1521 967 128 1720 280 1113 without packing with packing RP704K 1638 1034 128 1840 280 1160 without packing with packing RP750K 1762 1086 130 1913 280 1268 without packing...

Page 70: ...his Android 5 1 1 operating system is not standard Android so access to Google Play is not available APK cannot be installed in the default location unless given permission by the management units Contact your BenQ dealer for the required support for management permission Without management permission installing function won t work There is no guarantee that the self installed APK can function nor...

Page 71: ...Product information 67 Dimensions RP654K Unit mm PP PP PP 7 9 5 0 P P PP PP PPf PP PP 7 9 5 PP 23 1 1 PP 23 1 1 PPf PP PPf PP 1 PP PP ...

Page 72: ...Product information 68 Dimensions RP704K Unit mm 02817 6 5 0 ...

Page 73: ...Product information 69 Dimensions RP750K Unit mm 0 P P ...

Page 74: ...Product information 70 Dimensions RP860K Unit mm 02817 6 5 7 5 37 0 ...

Page 75: ... 60Hz 800 x 600 75Hz 832 x 624 75Hz 1024 x 768 60Hz 1024 x 768 75Hz 1152 x 870 75Hz 1280 x 720 60Hz 1280 x 768 60Hz 1280 x 800 60Hz 1280 x 800 60Hz 1280 x 960 60Hz 1280 x 1024 60Hz 1360 x 768 60Hz 1366 x 768 60Hz 1400 x 1050 60Hz 1440 x 900 60Hz 1600 x 1200 60Hz 1680 x 1050 60Hz 1600 x 1050 60Hz 1920 x 1080 50Hz 1920 x 1080 60Hz 3840 x 2160 30Hz 3840 x 2160 50Hz 3840 x 2160 60Hz NTSC M NTSC J PAL ...

Page 76: ...ion 72 480i 60Hz 480p 60Hz 576i 50Hz 576p 50Hz 720p 25Hz 720p 30Hz 720p 50Hz 720p 60Hz 1080i 50Hz 1080i 60Hz 1080p 24Hz 1080p 25Hz 1080p 30Hz 1080p 24Psf 1080p 25Psf 1080p 50Hz 1080p 60Hz supported Vacant not supported ...

Page 77: ...on and try 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 S...

Page 78: ...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 79: ...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...

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