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Setting Up the Display       |        33

Magnet Warning Statement

Avoid interference with pacemakers. Maintain a minimum of 15 cm (6 in.) between product 

and pacemakers to avoid potential interference, as recommended by manufacturers and the 

independent research group. If you have any reason to suspect that your product is interfering 

with a pacemaker or other medical device, distancing the stylus away immediately and contact 

the manufacturer of the pacemaker or medical device for guidance.

Using the stylus

Area for magnet

When not in use, place the stylus (flat side) on either the left or right side surface of the display 

frame. 

Summary of Contents for C8621QT

Page 1: ...Model C8621QT Regulatory model C8621QTt Dell C8621QT User s Guide ...

Page 2: ...r loss of data if instructions are not followed WARNING A WARNING indicates a potential for property damage personal injury or death Copyright 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 03 Rev A00 ...

Page 3: ...l Policy 24 Setting Up the Display 25 Connecting Your Display 25 Wall Mounting 29 Remote Control 30 Magnet Warning Statement 33 Using the stylus 33 Operating the Display 35 Turning on the Display 35 Touch OSD Launcher 35 Using the Touch Control Launcher 36 Using the OSD lock function 37 Using the On Screen Display OSD Menu 38 Dell Web Management for Displays 51 Contents 3 ...

Page 4: ...9 Product Specific Problems 60 Touchscreen Problems 62 Universal Serial Bus USB Specific Problems 62 Ethernet Problems 63 Appendix 64 Safety Instructions 64 FCC Notices U S only and Other Regulatory Information 64 Contacting Dell 64 Setting Up Your Display 65 Maintenance Guidelines 67 ...

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: ... Wire Saddle x 3 Stylus nib x 2 Power cable varies by country Power cable for connecting Optiplex system to display see Optiplex Optional USB 3 1 upstream cable enables the USB ports on the display DP cable DP to DP USB Type C cable HDMI cable ...

Page 7: ...kers 2 x 20 W by New Sunlink Plug and play capability if supported 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 standby power when in the sleep mode Easily setup with Dell Optiplex Mirco PC Mirco Form Factor Up to 20 points and 4 pens InGla...

Page 8: ...entifying Parts and Controls Front view 2 5 3 1 1 4 Label Description 1 Screen drop down touch key 2 IR Lens 3 Power on off button 4 Power LED indicator 5 OSD Launcher touch key For more information see Operating the Display ...

Page 9: ...cures Optiplex with security cable lock sold separately 5 Optiplex holder Use to hold a Micro Form Factor Optiplex PC 6 Serial number Service Tag label and Website Refer to this label if you need to contact Dell for technical support 7 Barcode serial number and Service Tag label 8 Regulatory label List of approved regulatory labels 9 AC to optiplex AC power to optiplex power adapter optional 10 AC...

Page 10: ...yPort Connect to your computer using the USB Type C cable The USB 3 1 Type C port offer the fastest transfer rate and the alternate mode with DP 1 2 support the maximum resolution of 3840 x 2160 at 60 Hz PD 20 V 4 5 A 15 V 3 A 9 V 3 A 5 V 3 A NOTE USB Type C is not supported on Windows versions that are prior to Windows 10 4 Audio line out port Connect to external audio peripherals Only supports 2...

Page 11: ... USB device You can only use this connector after you have connected the USB cable to the computer and USB upstream connector on the display 7 USB charging port USB 3 1 with 10 W with BC 1 2 charging capability at 2 A max 8 RS232 connector Remote management and control of display via RS232 9 RJ 45 connector Remote Network Management and control of display via RJ 45 Input sources and USB pairing In...

Page 12: ... 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 USB Type C Alternate mode with DisplayPort 1 2 Power Delivery PD up to 90 W 4 x HDMI 2 0 4 x USB 3 1 downstream port 1 x USB BC1 2 charging capability at...

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: ...ay Modes Display Mode Horizontal 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 1...

Page 15: ...x at 0 C cold start 240 V 80 A Max at 0 C cold start Physical Characteristics Connector type DP connector USB Type C connector HDMI connector Audio line out USB 3 1 connector USB charging port supplying power of up to 5 V max 2 A for connected devices RJ 45 connector RS232 connector Signal cable type in box DP 3 m cable HDMI 3 m cable USB 3 1 3 m cable USB Type C 1 8 m cable Optiplex power cable 1...

Page 16: ... card or software installed in your PC the display can automatically reduce its power consumption when not in use This is referred to as power save mode If the computer detects input from the keyboard mouse or other input devices the display automatically resumes functioning The following table shows the power consumption and signaling of this automatic power saving feature VESA Modes Horizontal S...

Page 17: ...imum luminance and USB active 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 not rely upon this information in making decisions about electrical tolerances or otherwise No warranty as t...

Page 18: ... 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 3 V DP_PWR ...

Page 19: ...C port Pin Signal Pin Signal A1 GND B12 GND A2 SSTXp1 B11 SSRXp1 A3 SSTXn1 B10 SSRXn1 A4 VBUS B9 VBUS A5 CC1 B8 SBU2 A6 Dp1 B7 Dn1 A7 Dn1 B6 Dp1 A8 SBU1 B5 CC2 A9 VBUS B4 VBUS A10 SSRXn2 B3 SSTXn2 A11 SSRXp2 B2 SSTXp2 A12 GND B1 GND ...

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: ...splay and then turn it on the attached peripherals may take a few seconds to resume normal functionality Transfer speed Data rate Power consumption SuperSpeed 5 Gbps 4 5 W Max each port Hi Speed 480 Mbps 4 5 W Max each port Full speed 12 Mbps 4 5 W Max each port USB 3 1 upstream port USB 3 1 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 S...

Page 24: ...ings Most display installations are automatic you can select different settings if desired For more information about changing the display settings see Operating the Display LCD Display Quality and Pixel Policy During the LCD display 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 ...

Page 25: ...tch 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 and accessories box Included accessories Cables Remote Control Batteries Remote control holder Stylus Wire Saddle and manual 1 Remove cable cover 2 Insert the Optiplex PC and power adapter into the respective compa...

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 USB Type C cable USB Type C USB Type C ...

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

Page 29: ...rackets from the wall mounting kit to the display 4 Install Display to Wall Plate 5 Ensure display is mounted vertically with no tilt forward or backward and a leveler is used to assist to mount the display NOTE Do not attempt to wall mount the Touch Display by yourself it should be installed by qualified installers Recommended Wall Mount for this Display is can be found in the Dell support websit...

Page 30: ... 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 USB Type C or DP or HDMI ...

Page 31: ...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 32: ...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 33: ...facturers and the independent research group If you have any reason to suspect that your product is interfering with a pacemaker or other medical device distancing the stylus away immediately and contact the manufacturer of the pacemaker or medical device for guidance Using the stylus Area for magnet When not in use place the stylus flat side on either the left or right side surface of the display...

Page 34: ...en Hold the stylus similar as to how one would hold a white board marker The bigger diameter tip is recognized as an erasing feature it works similar to how a pencil with an eraser end functions Replacing the stylus nib When the smaller diameter tip shows signs of wear and tear it can be replaced by unscrewing the front tip ...

Page 35: ... button to turn the display On and Off The white LED indicates the display is On and fully functional A glowing white LED indicates DPMS Power Save Mode Touch OSD Launcher This display comes with a touch OSD functionalities Press the OSD launcher touch key to access the functionalities ...

Page 36: ...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 37: ...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 38: ...OSD menu 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 75 75 Dell 86 Monitor Others Menu Color Display Input Source 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 2 Left...

Page 39: ...onitor Others Menu Color Display Input Source 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 contrast...

Page 40: ...Type C input when you are using the USB Type C connector DP Select DP input when you are 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 HDMI 4 Select the HDMI 4 input when you are using the HDMI 4 co...

Page 41: ...ay Input Source Audio Menu Personalize Preset Modes Input Color Format Reset Color Standard Color Temp Custom Color ComfortView Standard Default color settings This is the default preset mode ComfortView Decreases the level of blue light emitted from the screen to make viewing more comfortable for your eyes NOTE To reduce the risk of eye strain and neck arm back shoulders pain from using the displ...

Page 42: ...llows you to manually adjust the color settings Touch the and icons to adjust the Red Green and Blue values and create your own preset color mode Input Color Format Allows you to set the video input mode to RGB Select this option if your display is connected to a computer or DVD player using the HDMI DP or USB Type C cable YPbPr Select this option if your DVD player supports only YPbPr output Brig...

Page 43: ...Sharpness Makes the image look sharper or softer Use or to adjust the sharpness from 0 to 100 Reset Display Restores the display settings to factory defaults Audio Brightness Contrast Dell 86 Monitor Others Color Display Input Source Audio Menu Personalize Volume Speaker 50 Reset Audio On Volume Allows you to set the volume level of audio source Use or to adjust the volume level from 0 to 100 Spea...

Page 44: ... Transparency Timer English 20 20 s Reset Menu Language Set the OSD display to one of eight languages English Spanish French German Brazilian Portuguese Russian Simplified Chinese or Japanese Transparency Select this option to change the menu transparency by using and icons min 0 max 100 Timer OSD Hold Time Sets the time the OSD remains active after you press a button Use the and icons to adjust t...

Page 45: ...e A and USB Type C Downstream Ports charging function during monitor standby mode NOTE This option was previously called USB in older monitor firmware revisions USB C Charging Allows you to enable or disable Always On USB Type C Charging function during monitor Power Off mode NOTE Enabling this option on the monitor allows you to charge your notebook through the USB Type C cable C to C even when t...

Page 46: ...is 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 user experience and optimum performance of your display Brightness Contr...

Page 47: ...Off Reset Others Factory Reset IP Address Service Tag 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 Dell 86 Monitor Others Color Display Inpu...

Page 48: ... 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 86 Monitor C8621QT The function of adjusting display setting using PC application will be disa...

Page 49: ...input source C8621QT If either HDMI 1 HDMI 2 HDMI 3 HDMI 4 DP or USB Type C input is selected and the corresponding cable is not connected a floating dialog box as shown below appears Dell 86 Monitor No HDMI 1 Cable The display will go into Power Save Mode in 4 minutes www dell com C8621QT C8621QT or Dell 86 Monitor No HDMI 2 Cable The display will go into Power Save Mode in 4 minutes www dell com...

Page 50: ...utes www dell com C8621QT C8621QT or Dell 86 Monitor No DP Cable The display will go into Power Save Mode in 4 minutes www dell com C8621QT C8621QT or Dell 86 Monitor No USB Type C Cable The display will go into Power Save Mode in 4 minutes www dell com C8621QT C8621QT See Troubleshooting for more information ...

Page 51: ...nds to 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 Dell 86 Monitor Others Co...

Page 52: ...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 53: ...Operating the Display 53 3 The Home page opens 4 Click Network Settings tab to see the network settings ...

Page 54: ...e Display 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 55: ...Operating the Display 55 8 Finished Click on button to proceed after 8 seconds 9 Click Security to set a password 10 Click Crestron to control interface ...

Page 56: ... 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 show...

Page 57: ...8621QT or Dell 86 Monitor No DP Cable The display will go into Power Save Mode in 4 minutes www dell com C8621QT C8621QT or Dell 86 Monitor No USB Type C Cable The display will go into Power Save Mode in 4 minutes www dell com C8621QT C8621QT 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 cab...

Page 58: ...that the screen is clean no dust particles on the surface of the screen 2 Touch 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 ...

Page 59: ...osting 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 Reset the display to factory settings Check environmental factors Relocate the display and test in another room Missing Pixels LCD screen has spots Cycle power on off Pixel that is permanently off is a natural defect...

Page 60: ...video cable connecting the display to the computer is connected properly and is secure Check for bent or broken pins in the video cable connector Wrong Color Picture color not good Change the settings of the Preset Modes in the Color menu OSD depending on the application Adjust R G B value under Custom Color in Color menu OSD Change the Input Color Format to PC RGB or YPbPr in the Color menu OSD R...

Page 61: ...ing USB Type C connection to computer laptop and so on Black screen Verify if the USB Type C interface of the device can support DP alternate mode Verify if the device required more than 90 W power charging USB Type C interface of device cannot support DP alternate mode Set Windows to Projection mode Ensure that the USB Type C cable is not damaged No charging when using USB Type C connection to co...

Page 62: ...ck 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 Switch...

Page 63: ...e to position the wireless USB receiver as far away as possible from the USB 3 1 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 64: ... www dell com regulatory_compliance Contacting Dell 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 ...

Page 65: ...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 66: ...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 67: ...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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