Dell C7520QT User Manual Download Page 8

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8 | About Your Display

Identifying Parts and Controls

Front view

Label

Description

Screen drop down touch key

IR Lens

Power on/off button

Power LED indicator

Solid white light indicates the monitor is turned on and functioning normally. Blinking

white light indicates the monitor is in Standby Mode.

OSD Launcher touch key (For more information, see

Operating the Display

)

Summary of Contents for C7520QT

Page 1: ...Model C7520QT Regulatory model C7520QTt Dell C7520QT User s Guide ...

Page 2: ...oss of data if instructions are not followed WARNING A WARNING indicates a potential for property damage personal injury or death Copyright 2018 2020 Dell Inc or its subsidiaries All rights reserved Dell EMC and other trademarks are trademarks of Dell Inc or its subsidiaries Other trademarks may be trademarks of their respective owners 2020 11 Rev A02 ...

Page 3: ...and Pixel Policy 24 Setting Up the Display 25 Connecting Your Display 25 Wall Mounting 30 Remote Control 31 Operating the Display 34 Turning on the Display 34 Touch OSD Launcher 34 Using the Touch Control Launcher 35 Using the OSD lock function 36 Using the On Screen Display OSD Menu 37 Dell Web Management for Displays 52 Troubleshooting 57 Self Test 57 Contents 3 ...

Page 4: ... 63 Universal Serial Bus USB Specific Problems 63 Ethernet Problems 64 Appendix 65 Safety Instructions 65 FCC Notices U S only and Other Regulatory Information 65 Contacting Dell 65 EU product database for energy label and product information sheet 65 Setting Up Your Display 66 Maintenance Guidelines 68 ...

Page 5: ...mponents shown below Make sure that you have received all the components and contact Dell if something is missing NOTE Some items may be optional and may not ship with your display Some features may not be available in certain countries Display Remote Control Batteries AAA x 2 Stylus x 2 ...

Page 6: ...untry Power cable for connecting Optiplex system to display see Optiplex Optional USB 3 0 upstream cable enables the USB ports on the display DP cable DP to DP VGA cable HDMI cable Flatfrog Whiteboard Software download instruction Safety Environmental and Regulatory Information Quick Setup Guide ...

Page 7: ...d by your system On Screen Display OSD adjustments for ease of set up and screen optimization Security lock slot Supports Asset Management Capability Arsenic Free glass and Mercury Free for Panel only 0 3 W in Standby Mode Easily setup with Dell Optiplex Mirco PC Mirco Form Factor Up to 20 points and 4 pens InGlassTM Touch technology Optimize eye comfort with a flicker free screen The possible lon...

Page 8: ...1 Screen drop down touch key 2 IR Lens 3 Power on off button 4 Power LED indicator Solid white light indicates the monitor is turned on and functioning normally Blinking white light indicates the monitor is in Standby Mode 5 OSD Launcher touch key For more information see Operating the Display ...

Page 9: ...anch 제조자 Wistron InfoComm Zhongshan Corporation Linhai Branch A S 연락처 080 854 0066 제조국 중국 CAN ICES 3 B NMB 3 B R43004 RoHS И005 19 デル株式会社 ID XXXXXXXXXX Apparatet må tilkoples jordet stikkontakt Apparaten skall anslutas till jordat uttag Apparatets stikprop skal tilsluttes en stikkontakt med jord som giver forbindelse til stikproppens jord Laite on liitettävä suojakoskettimilla varustettuun pistora...

Page 10: ...t your computer with VGA cable 4 Audio line in port Analog audio two channel input 5 Audio line out port Connect to external audio peripherals Only supports 2 channel audio NOTE The audio line out port does not support headphones 6 USB 3 0 upstream ports 3 Connect the USB cable that comes with your display to the computer Once this cable is connected you can use the USB downstream connectors on th...

Page 11: ... USB charging port USB 3 0 with 10 W with BC1 2 charging capability at 2A max 9 RS232 connector Remote management and control of display via RS232 10 RJ 45 connector Remote Network Management and control of display via RJ 45 Input sources and USB pairing CEC Input sources USB upstream HDMI 1 CEC USB 1 HDMI 2 USB 2 HDMI 3 USB 3 DP VGA Bottom View 2 3 1 Label Description 1 2 Speakers 3 Power on off ...

Page 12: ... 178 typical Vertical 178 typical Panel brightness 350 cd m typical Contrast ratio 1200 to 1 typical Display screen coating 9H Anti Smudge Anti Glare Response Time 8 ms typical G to G 12 ms max G to G Color depth 1 07 Billon colors Color gamut NTSC 72 Connectivity 1 x DP 1 2 1 x VGA 3 x HDMI 2 0 4 x USB 3 0 downstream port 1 x USB BC1 2 charging capability at 2A max 3 x USB 3 0 upstream port 1 x A...

Page 13: ... kernel has been verified on Ubuntu 14 04 and Debian 8 Functionality of Chrome OS and Android with Linux kernel 3 15 needs comfirmation 2 Mouse emulation in landscape mode Full multi touch requires additional drivers on the host system Touch sensor input accuracy Typ1 Max2 Unit Touch sensor input accuracy Center area3 1 0 1 5 mm Edge area4 1 2 2 0 mm 1 Average accuracy at the specified input area ...

Page 14: ...orizontal Frequency kHz Vertical Frequency Hz Pixel Clock MHz Sync Polarity Horizontal Vertical 720 x 400 31 5 70 0 28 3 640 x 480 31 5 60 0 25 2 640 x 480 37 5 75 0 31 5 800 x 600 37 9 60 0 40 0 800 x 600 46 9 75 0 49 5 1024 x 768 48 4 60 0 65 0 1024 x 768 60 0 75 0 78 8 1152 x 864 67 5 75 0 108 0 1280 x 800 49 3 60 0 71 0 1280 x 1024 64 0 60 0 108 0 1280 x 1024 80 0 75 0 135 0 1600 x 1200 75 0 6...

Page 15: ...r consumption of On Mode as defined in Energy Star 8 0 version TEC Total energy consumption in kWh as defined in Energy Star 8 0 version This document is informational only and reflects laboratory performance Your product may perform differently depending on the software components and peripherals you ordered and shall have no obligation to update such information Accordingly the customer should n...

Page 16: ...ing power of up to 5 V max 2A for connected devices RJ 45 connector RS232 connector Signal cable type in box DP 3 m cable HDMI 3 m cable VGA 3 m cable USB 3 0 3 m cable Optiplex power cable 1 m Dimensions Height 1017 44 mm 40 06 inches Width 1735 02 mm 68 31 inches Depth 79 1 mm 3 11 inches Weight Weight with packaging 76 kg 167 55 lb Weight without packaging 64 kg 141 10 lb ...

Page 17: ...www epeat net for registration status by country RoHS Compliant yes Temperature Operating 0 C to 40 C 32 F to 104 F Non operating 20 C to 60 C 4 F to 140 F Humidity Operating 10 to 80 non condensing Non operating 5 to 90 non condensing Altitude Operating 5 000 m 16 404 ft maximum Non operating 12 192 m 40 000 ft maximum Thermal dissipation 921 89 BTU hour maximum 477 70 BTU hour On Mode ...

Page 18: ...n number 20 pin side of the connected signal cable 1 ML3 n 2 GND 3 ML3 p 4 ML2 n 5 GND 6 ML2 p 7 ML1 u 8 GND 9 ML1 p 10 ML0 n 11 GND 12 ML0 p 13 CONFIG1 GND 14 CONFIG2 GND 15 AUX CH p 16 DP_Cable Detect 17 AUX CH n 18 Hot Plug Detect 19 GND 20 3 3V DP_PWR ...

Page 19: ...connector Pin number 15 pin side of the connected signal cable 1 Video Red 2 Video Green 3 Video Blue 4 NC 5 Self test 6 GND R 7 GND G 8 GND B 9 Computer 5 V 3 3 V 10 GND sync 11 GND 12 DDC data 13 H sync 14 V sync 15 DDC clock ...

Page 20: ...A 2 2 TMDS DATA 2 SHIELD 3 TMDS DATA 2 4 TMDS DATA 1 5 TMDS DATA 1 SHIELD 6 TMDS DATA 1 7 TMDS DATA 0 8 TMDS DATA 0 SHIELD 9 TMDS DATA 0 10 TMDS CLOCK 11 TMDS CLOCK SHIELD 12 TMDS CLOCK 13 CEC 14 Reserved N C on device 15 DDC CLOCK SCL 16 DDC DATA SDA 17 DDC CEC Ground 18 5 V POWER 19 HOT PLUG DETECT ...

Page 21: ...About Your Display 21 RS232 connector Pin number 9 pin side of the connected signal cable 1 2 RX 3 TX 4 5 GND 6 7 Not Used 8 Not Used 9 ...

Page 22: ...22 About Your Display RJ 45 connector Pin number 12 pin side of the connected signal cable 1 D 2 RCT 3 D 4 D 5 RCT 6 D 7 GND 8 GND 9 LED2_Y 10 LED2_Y 11 LED2_G 12 LED2_G ...

Page 23: ...Mbps 4 5 W Max each port USB 3 0 upstream port USB 3 0 downstream port Pin number Signal name Pin number Signal name 1 VBUS 1 VBUS 2 D 2 D 3 D 3 D 4 GND 4 GND 5 StdB_SSTX 5 StdA_SSRX 6 StdB_SSTX 6 StdA_SSRX 7 GND_DRAIN 7 GND_DRAIN 8 StdB_SSRX 8 StdA_SSTX 9 StdB_SSRX 9 StdA_SSTX Shell Shield Shell Shield Plug and Play You can install the display in any Plug and Play compatible system The display au...

Page 24: ...manufacturing process it is not uncommon for one or more pixels to become fixed in an unchanging state which are hard to see and do not affect the display quality or usability For more information on LCD Display Pixel Policy see Dell support site at http www dell com support monitors ...

Page 25: ...MI DP VGA USB cable from your display to the computer 3 Switch on your display 4 Select the correct input source at Display OSD Menu and turn on your computer Optiplex Optional Attaching the Optiplex Open the carton take out the Optiplex holder 1 Remove cable cover 2 Insert the Optiplex PC and power adapter into the respective compartments 3 Plug in the cables and route the cables using the cable ...

Page 26: ...26 Setting Up the Display Slide Optiplex holder back into display External PC connection Connecting the USB cable USB USB NOTE Refer to section on input source and USB pairing ...

Page 27: ...Setting Up the Display 27 Connecting the HDMI cable HDMI HDMI Connecting the DP cable DP DP Connecting the VGA cable VGA VGA ...

Page 28: ...28 Setting Up the Display Connecting the Optiplex Connecting the HDMI cable HDMI1 USB 1 Connecting the DP cable DP USB 3 ...

Page 29: ...Setting Up the Display 29 Connecting the VGA cable VGA USB 3 ...

Page 30: ...会社 ID XXXXXXXXXX Apparatet må tilkoples jordet stikkontakt Apparaten skall anslutas till jordat uttag Apparatets stikprop skal tilsluttes en stikkontakt med jord som giver forbindelse til stikproppens jord Laite on liitettävä suojakoskettimilla varustettuun pistorasiaan AddressforEUOnly RaheenBusinessPark LimerickIreland www dell com XXXXXXXX XXXXX X REM WT1 C7520QTt ID XXXXXXXXXX X X X X X X X X ...

Page 31: ...on on off 10 Preset Modes Display information about Preset Modes 11 Right Press to move the selection right in OSD menu 12 OK Confirm an entry or selection 13 Exit Press to exit the Menu 14 Brightness Press to increase the Brightness 15 Volume Press to increase the Volume 1 Power On Off Switch this display on or off 2 Input Source Select input source Press or button to select from VGA or DP or HDM...

Page 32: ...and signs of the battery compartment Do not mix battery types Do not combine new batteries with used ones It causes shorter life or leakage of batteries Remove the dead batteries immediately to prevent them from liquid leaking in the battery compartment Don t touch exposed battery acid as it can damage your skin NOTE If you do not intend to use the remote control for a long period remove the batte...

Page 33: ...emote control within a distance of about 7 m from remote control sensor or at a hori zontal and vertical angle of within 22 5 within a distance of about 7 m NOTE The remote control may not function properly when the remote control sensor on the display is under direct sunlight or strong illumination or when there is an obstacle in the path of signal transmission 22 5 22 5 ...

Page 34: ...ower button to turn the display On and Off The white LED indicates the display is On and fully functional A glowing white LED indicates Standby Mode Touch OSD Launcher This display comes with a touch OSD functionalities Press the OSD launcher touch key to access the functionalities ...

Page 35: ...h screen to black or white Go to Menu to select screen off color Use touch key to screen restore 2 Suspend To a freeze screen when press activate Use touch key to screen restore 3 Screen Drop Down Screen Drop Down so that you can easily reach the top of the image Use touch key to screen restore 4 Preset Modes Use this icon to choose from a list of preset color modes 5 Input Source Use this icon to...

Page 36: ...tion The following table describes the touch control icons Options Description 1 OSD menu lock Use this icon to lock OSD menu function 2 Power off button lock Use this icon to lock power button from powering off 3 OSD menu and power button lock Use this icon to lock OSD menu and power button from powering off 4 Built in Diagnostics Use this icon to run the built in diagnostics see Built in Diagnos...

Page 37: ...nu or wait for the OSD menu to disappear 1 Press the icon on the remote control or OSD Launcher touch key to launch the OSD menu Brightness Contrast Others Menu Color Display Input Source 75 75 Dell 75 Monitor Auto Adjust Audio Personalize Use the icons to adjust the image settings Touch control icon Description 1 Up Down Use the Up increase and Down decrease icons to adjust items in the OSD menu ...

Page 38: ...play Input Source 75 75 Dell 75 Monitor Auto Adjust Audio Personalize Brightness Brightness adjusts the luminance of the backlight minimum 0 maximum 100 Touch the icon to increase brightness Touch the icon to decrease brightness Contrast Adjust the Brightness first and then adjust Contrast only if further adjustment is necessary Touch the icon to increase contrast and Touch the icon to decrease co...

Page 39: ... tune your display by using the Pixel Clock Coarse and Phase Fine controls under Display menu Brightness Contrast Others Menu Color Display Input Source Dell 75 Monitor Audio Personalize Press to adjust the screen automatically Auto Adjust The following dialog appears on a black screen as the display automatically adjusts to the current input Auto adjustment in progress NOTE In most cases Auto Adj...

Page 40: ...re using the DP DisplayPort connector HDMI 1 Select the HDMI 1 input when you are using the HDMI 1 connector HDMI 2 Select the HDMI 2 input when you are using the HDMI 2 connector HDMI 3 Select the HDMI 3 input when you are using the HDMI 3 connector Auto Select Select Auto Select the display scans for available input sources Reset Input Source Resets your display s Input Source settings to the fa...

Page 41: ... neck arm back shoulders pain from using the display for long periods of time we suggest you to Set the screen about 20 to 28 inches 50 70 cm from your eyes Blink frequently to moisten or rewet your eyes when working with the display Take regular and frequent breaks for 20 minutes every two hours Look away from your display and gaze at a distant object at 20 feet away for at least 20 seconds durin...

Page 42: ...nected to a computer or DVD player using the HDMI DP or VGA cable YPbPr Select this option if your DVD player supports only YPbPr output Brightness Contrast Others Color Display Input Source Dell 75 Monitor Auto Adjust Audio Menu Personalize Preset Modes Input Color Format Reset Color RGB YPbPr Reset Color Resets your display s color settings to the factory defaults ...

Page 43: ...l Position Use or to adjust the image up or down Minimum is 0 Maximum is 100 NOTE Horizontal Position and Vertical Position adjustments are only available for VGA input Sharpness Makes the image look sharper or softer Use or to adjust the sharpness from 0 to 100 Pixel Clock The Phase and Pixel Clock adjustments allow you to adjust your display to your preference Use the or icons to adjust for best...

Page 44: ...rce Use or to adjust the volume level from 0 to 100 Audio Source Allows you to set the audio source to PC Audio or HDMI DP Speaker Allows you to On or Off Speaker function Reset Audio Select this option to restore default audio settings Menu Select this option to adjust the settings of the OSD such as the languages of the OSD the amount of time the menu remains on screen and so on Brightness Contr...

Page 45: ...play Input Source Dell 75 Monitor Auto Adjust Audio Menu Personalize Power Button LED USB Screen Drop Down Level On in On Mode Off in Standby Mode 1 2 screen Monitor Sleep On Screen Off Color White Wake On Touch Off Reset Personalization Power Button LED Allows you to set the state of the power light to save energy USB Allows you to enable or disable USB function during display standby mode NOTE U...

Page 46: ...Reset ENERGY STAR IP Address 10 0 50 100 Service Tag ABCDEFG Select this option to adjust the OSD settings such as the DDC CI LCD conditioning and so on Display Info Displays the display s current settings DDC CI DDC CI Display Data Channel Command Interface allows you to adjust the display settings using software on your computer Select Off to turn off this feature Enable this feature for best us...

Page 47: ... time to run Do you wish to continue Yes No Firmware Current Firmware version IP Address Show IP Address Service Tag Show Service Tag Reset Others Restores other settings such as DDC CI to factory defaults Factory Reset Restores all preset values to the factory default settings These are also the settings for ENERGY STAR tests Brightness Contrast Others Color Display Input Source Dell 75 Monitor A...

Page 48: ...ns that the display cannot synchronize with the signal that it is receiving from the computer See Display Specifications for the Horizontal and Vertical frequency ranges addressable by this display Recommended mode is 3840 x 2160 You can see the following message before the DDC CI function is disabled Dell 75 Monitor C7520QT The function of adjusting display setting using PC application will be di...

Page 49: ...over 75 the following message will appear Dell 75 Monitor C7520QT Yes No Adjusting to this value will increase power consumption above the default level Do you want to continue If you press any button other than the power button the following messages will appear depending on the selected input Dell 75 Monitor No HDMI 1 signal from your device Press any key on the keyboard or move the mouse or wak...

Page 50: ...lay will go into Standby Mode in 4 minutes www dell com C7520QT C7520QT or Dell 75 Monitor No HDMI 2 Cable The display will go into Standby Mode in 4 minutes www dell com C7520QT C7520QT or Dell 75 Monitor No HDMI 3 Cable The display will go into Standby Mode in 4 minutes www dell com C7520QT C7520QT or Dell 75 Monitor No DP Cable The display will go into Standby Mode in 4 minutes www dell com C75...

Page 51: ...Operating the Display 51 Dell 75 Monitor No VGA Cable The display will go into Standby Mode in 4 minutes www dell com C7520QT C7520QT See Troubleshooting for more information ...

Page 52: ... turn off A network icon appears and is shown on the center for 4 seconds To access the Dell Display Web Management tool you need to set the IP Addresses for your computer and the display 1 Press the Menu key on the remote control to display the IP Address of the display or by navigating to OSD Menu Others By default the IP Address is 10 0 50 100 Brightness Contrast Others Color Display Input Sour...

Page 53: ...et Mask 255 0 0 0 leave all other entries as blanks 3 The IP Address configuration would now look like this Configure notebook IP Address to 10 0 50 101 Monitor IP Address 10 0 50 100 To access and use the web management tool follow these steps 1 Open a web browser and type the display s IP Address 10 0 50 100 in the address bar 2 The log in page opens Enter the Administrator Password to continue ...

Page 54: ...54 Operating the Display 3 The Home page opens 4 Click Network Settings tab to see the network settings ...

Page 55: ...isplay 55 5 Click Display Control to see the display s status 6 Update Firmware You can download the latest drivers from the Dell Support website at www dell com support 7 Upgrade firmware page and wait for 30 seconds ...

Page 56: ...56 Operating the Display 8 Finished Click on button to proceed after 8 seconds 9 Click Security to set a password 10 Click Crestron to control interface ...

Page 57: ...ack of the computer To ensure proper Self Test operation remove all digital and the analog cables from the back of computer 3 Turn on the display The floating dialog box should appear on screen against a black background if the display cannot sense a video signal and is working correctly While in self test mode the power LED remains white Also depending upon the selected input one of the dialogs s...

Page 58: ...or No VGA Cable The display will go into Standby Mode in 4 minutes www dell com C7520QT C7520QT 4 This box also appears during normal system operation if the video cable becomes disconnected or damaged 5 Turn off your display and reconnect the video cable then turn on both your computer and the display If your display screen remains blank after you use the previous procedure check your video contr...

Page 59: ...and hold for 5 seconds in lock Select Option Touch the self inspection icon A gray screen appears 3 Carefully inspect the screen for abnormalities 4 Touch the front panel The color of the screen changes to red 5 Inspect the display for any abnormalities 6 Repeat steps 4 and 5 to inspect the display in green blue black white and text screens The test is complete when the text screen appears To exit...

Page 60: ... input source is selected in the Input Source menu Poor Focus Picture is fuzzy blurry or ghosting Perform Auto Adjust via OSD Adjust the Phase and Pixel Clock controls via OSD Eliminate video extension cables Reset the display to factory settings Change the video resolution to the correct aspect ratio Shaky Jittery Video Wavy picture or fine movement Perform Auto Adjust via OSD Adjust the Phase an...

Page 61: ... Auto Adjust via OSD Adjust Phase and Pixel Clock controls via OSD Perform display self test feature check to determine if the scrambled screen appears in self test mode Check for bent or broken pins in the video cable connector Restart the computer in safe mode Safety Related Issues Visible signs of smoke or sparks Do not perform any troubleshooting steps Contact Dell immediately Intermittent Pro...

Page 62: ...ing area Check the Aspect Ratio setting in the Display menu OSD Reset the display to factory settings Cannot adjust the display with touch OSD OSD does not appear on the screen Turn off the display unplug the display power cable plug it back and then turn on the display Check whether the OSD menu is locked If yes touch icon for 4 seconds to unlock No Input Signal when user controls are pressed No ...

Page 63: ...eck box to allow the device to wake the computer Check Display OSD Wake on touch setting is enabled Universal Serial Bus USB Specific Problems Specific Symptoms What You Experience Possible Solutions USB interface is not working USB peripherals are not working Check that your display is turned ON Reconnect the upstream cable to your computer Reconnect the USB peripherals downstream connector Switc...

Page 64: ...e to position the wireless USB receiver as far away as possible from the USB 3 0 port USB is not working No USB functionalities Refer to input source and USB pairing table Ethernet Problems Specific Symptoms What You Experience Possible Solutions Ethernet not working Dell Web Management for Displays Webpage control is not working Ensure that the Network cable connecting the Display is properly sec...

Page 65: ...all 800 WWW DELL 800 999 3355 NOTE If you do not have an active Internet connection you can find contact information on your purchase invoice packing slip bill or Dell product catalog Dell provides several online and telephone based support and service options Availability varies by country and product and some services may not be available in your area To get online Display support content See ww...

Page 66: ...play Settings 2 Click Advanced display settings 3 Click the dropdown list of Resolution and select 3840 x 2160 4 Click Apply If you do not see the recommended resolution as an option you may need to update your graphics driver Please choose the scenario below that best describes the computer system you are using and follow the given steps Dell computer 1 Go to www dell com support enter your servi...

Page 67: ...r your graphics adapter attempt to set the resolution to 3840 x 2160 again In Windows 10 1 Right click on the desktop and click Display Settings 2 Click Advanced display settings 3 Click Display adapter properties 4 Identify your graphics controller supplier from the description at the top of the window e g NVIDIA ATI Intel etc 5 Refer to the graphic card provider website for updated driver for ex...

Page 68: ...l screen cleaning tissue or solution suitable for the anti static coating Do not use benzene thinner ammonia abrasive cleaners or compressed air Use a lightly dampened soft cloth to clean the display Avoid using detergent of any kind as some detergents leave a milky film on the display If you notice white powder when you unpack your display wipe it off with a cloth Handle your display with care as...

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