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10        |       About Your Monitor

Video input capabilities 

(HDMI playback)

480i, 480p, 576i, 576p, 720p, 1080i, 1080p,2160p

Preset Display 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

-/+

VESA, 640 x 480  

31.5 

60.0

25.2

-/- 

VESA, 640 x 480 

37.5 

75.0 

31.5 

-/-

VESA, 800 x 600  

37.9

60.3

40.0

+/+

VESA, 800 x 600  

46.9

75.0

49.5

+/+

VESA, 1024 x 768 

48.4

60.0

65.0 

-/-

VESA, 1024 x 768  

60.0

75.0 

78.8 

+/+

VESA, 1152 x 864  

67.5

75.0

108.0

+/+

VESA, 1280 x 1024    64.0

60.0

108.0

+/+

VESA, 1280 x 1024    80.0

75.0

135.0

+/+

VESA, 1600 x 1200    75.0

60.0

162.0 

+/+

VESA, 1920 x 1080

67.5

60.0

148.5

+/+

VESA, 1600 x 900

60.0

60.0

108

+/-

CVR, 2560 x 1440

88.8

60.0

241.5

+/-

Electrical Specifications

Video input signals

• 

HDMI 1.4, 150mV=<Vp-p=<1560mV for each 

differential line, 100 ohm input impedance per 

differential pair

• 

DisplayPort 1.2, 120mv min.(For HBR) 50mv min.

(For HBR2) for each differential line, 100 ohm input 

impedance per differential pair

AC Input voltage/ frequency/

current

100-240 VAC / 50 or 60 Hz ± 3 Hz / 1.5A (typical)

Inrush current

• 

120 V: 30 A (Max.) at 0 °C (cold start)

• 

220 V: 60 A (Max.) at 0 °C (cold start)

Summary of Contents for D2720DS

Page 1: ...Model D2720DS Regulatory model D2720DSt Dell Monitor D2720DS 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 2019 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 2019 06 Rev A00 ...

Page 3: ...olicy 15 Setting Up the Monitor 16 Attaching the stand 16 Using the Tilt and Vertical Extension 17 Connecting Your Monitor 18 Organizing Your Cables 19 Removing the Monitor Stand 20 Wall Mounting Optional 21 Operating the Monitor 22 Turning on the Monitor 22 Using the Front Panel Controls 22 Using the On Screen Display OSD Menu 24 Troubleshooting 30 Self Test 30 Contents 3 ...

Page 4: ...4 Contents Common Problems 31 Product Specific Problems 33 Appendix 34 Safety Instructions 34 Contacting Dell 34 Setting Up Your Monitor 35 Maintenance Guidelines 37 ...

Page 5: ...the components 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 monitor Some features may not be available in certain countries Monitor Stand riser Stand base Screw x 4 ...

Page 6: ...40 resolution with full screen support for lower resolutions Tilt pivot and height adjustment capabilities Removable stand and Video Electronics Standards Association VESA 100 mm mounting holes for flexible mounting solutions Digital connectivity with DisplayPort and HDMI Plug and play capable if supported by your system Minimize eye discomfort with a screen On screen display OSD adjustments for e...

Page 7: ...About Your Monitor 7 Identifying Parts and Controls Front view 2 1 Label Description 1 Function buttons For more information see Operating the Monitor 2 Power on off button with LED indicator ...

Page 8: ... security lock sold separately 3 Barcode serial number and Service Tag label Refer to this label if you need to contact Dell for technical support 4 Cable management slot Use to organize cables by inserting them through the slot Bottom View 1 2 3 Label Description Use 1 Power connector Connect the power cable 2 HDMI connector Connect your computer with HDMI cable 3 DP connector Connect your comput...

Page 9: ...s 350 cd m typical Contrast ratio 1000 to 1 typical Faceplate coating Anti Glare with 3H hardness Backlight LED Edgelight system Response Time Gray to Gray 6 ms with OD Color depth 16 7 million colors Color gamut CIE 1976 79 CIE 1931 72 Connectivity 1 HDMI port 1 DP port Border width edge of monitor to active area 7 9 mm Top Left Right 18 5 mm Bottom Adjustability Height adjustment Tilt Pivot Up t...

Page 10: ...1152 x 864 67 5 75 0 108 0 VESA 1280 x 1024 64 0 60 0 108 0 VESA 1280 x 1024 80 0 75 0 135 0 VESA 1600 x 1200 75 0 60 0 162 0 VESA 1920 x 1080 67 5 60 0 148 5 VESA 1600 x 900 60 0 60 0 108 CVR 2560 x 1440 88 8 60 0 241 5 Electrical Specifications Video input signals HDMI 1 4 150mV Vp p 1560mV for each differential line 100 ohm input impedance per differential pair DisplayPort 1 2 120mv min For HBR...

Page 11: ...ed 295 3 mm 11 62 inches Width 230 0 mm 9 05 inches Depth 218 0 mm 8 58 inches Base 230 0 mm x218 0 mm 9 06 inches x 8 58 inches Weight Weight with packaging 7 1 kg 15 65 lb Weight with stand assembly and cables 5 9 kg 13 0 lb Weight without stand assembly For wall mount or VESA mount considerations no cables 3 52 kg 7 76 lb Weight of stand assembly 2 1 kg 4 63 lb Environmental Characteristics Tem...

Page 12: ...ower Consumption Normal operation Active Active Active White 43 5 W maximum 33 4 W typical Active off mode Inactive Inactive Off Amber Less than 0 3 W Switch off Off Less than 0 3 W The OSD operates only in the normal operation mode If you press any button in the active off mode the following message is displayed No Signal Zero power consumption in OFF mode can only be achieved by disconnecting th...

Page 13: ...cable 1 TMDS DATA 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 Utility 15 DDC CLOCK SCL 16 DDC DATA SDA 17 DDC CEC Ground 18 5 V POWER 19 HOT PLUG DETECT ...

Page 14: ...tor Pin 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 n 8 GND 9 ML1 p 10 ML0 n 11 GND 12 ML0 p 13 CONFIG1 14 CONFIG2 15 AUX p 16 GND 17 AUX n 18 Hot Plug Detect 19 Return 20 DP_PWR ...

Page 15: ...ings Most monitor installations are automatic you can select different settings if desired For more information about changing the monitor settings see Operating the Monitor LCD Monitor Quality and Pixel Policy During the LCD monitor 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 16: ...ped with your monitor If you are attaching a stand that you purchased from any other source follow the set up instructions that were included with the stand To attach the monitor stand 1 Remove the monitor s protective cover and place the monitor with its front facing downward on it 2 Use a screwdriver to fully tighten the four screws to the back of the monitor 3 Insert the stand base blocks fully...

Page 17: ...prevent it from slipping or falling Using the Tilt and Vertical Extension NOTE This is applicable for a monitor with a stand If you purchased any other stand refer to the respective stand setup guide for set up instructions Tilt With the built in pedestal you can tilt the monitor for the most comfortable viewing angle 7 23 NOTE The stand is detached when the monitor is shipped from the factory ...

Page 18: ...ally extended and fully tilted up to avoid hitting the bottom edge of the monitor 90 0 Connecting Your Monitor WARNING Before you begin any of the procedures in this section follow the Safety Instructions To connect your monitor to the computer 1 Turn off your computer 2 Connect either the HDMI or the DP cable from your monitor to the computer 3 Switch on your monitor 4 Select the correct input so...

Page 19: ...ting the HDMI cable HDMI Connecting the DP cable optional DP Organizing Your Cables After attaching all necessary cables to your monitor and computer see Connecting Your Monitor for cable attachment organize all cables as shown above ...

Page 20: ...urface NOTE The procedure below is applicable for the default stand If you purchased any other stand see the documentation shipped with the stand to set it up To remove the stand 1 Place the monitor on a soft cloth or cushion 2 Loosen the screw from the base 3 Use a screwdriver to loosen the four screws at the back of the monitor 4 Lift the stand up and away from the monitor 2 3 ...

Page 21: ...r cushion on a stable flat table 2 Remove the stand 3 Use a Phillips crosshead screwdriver to remove the four screws securing the plastic cover 4 Attach the mounting bracket from the wall mounting kit to the monitor 5 Mount the monitor on the wall by following the instructions that comes with the wall mounting kit NOTE For use only with UL or CSA or GS listed wall mount bracket with minimum weight...

Page 22: ...he monitor Using the Front Panel Controls Use the control buttons on the front of the monitor to adjust the characteristics of the image being displayed As you use these buttons to adjust the controls an OSD shows the numeric values of the characteristics as they change 1 5 4 3 2 6 7 MENU INPUT EXIT ...

Page 23: ...st or decrease the setting value 3 Use this button to select the next item up the list or increase the setting value 4 MENU Menu Use this menu button to launch the on screen display OSD and select the OSD menu See Accessing the Menu System 5 EXIT Exit Use this button to go back to the main menu or exit the OSD main menu 6 Power Use the Power button to turn the monitor On and Off 7 Power light indi...

Page 24: ...menus Description Picture Use this menu to activate Brightness Contrast Color Temp adjustment Brightness Brightness adjusts the luminance of the backlight minimum 0 maximum 100 Press the button to decrease brightness Press the button to increase brightness Contrast Adjust the Brightness first and then adjust Contrast only if further adjustment is necessary Press the button to increase contrast and...

Page 25: ...llows users to select the Color Temp 6500K User 9300K 7500K OSD H Position Use or to adjust the H Position from 0 to 100 V Position Use or to adjust the V Position from 0 to 100 OSD Timeout Use the and buttons to adjust the slider in 5 second increments from 5 to 30 seconds ...

Page 26: ... Game Cinema or Text from the list Standard Default color settings This is the default preset mode Scenery Option to allow matching of the white backgrounds on multiple monitors Game Ideal for most gaming applications Cinema Ideal for cinema Text Ideal for text ECO Select On to turn on this feature Sharpness Makes the image look sharper or softer Use or to adjust the sharpness from 0 to 8 OD Selec...

Page 27: ...lect Use the Input Select menu to select between different video inputs that are be connected to your monitor DDC CI DDC CI Display Data Channel Command Interface allows you to adjust the monitor 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 monitor Reset Restore the menu settings to factory...

Page 28: ...ng the Monitor Icon Menu and Submenus Description Information Displays the monitor s current settings NOTE This monitor has a built in feature to automatically calibrate the brightness to compensate for LED aging ...

Page 29: ...OSD If you press any button other than the power button the following messages will appear depending on the selected input No Signal If either HDMI or DP is selected and the corresponding cable is not connected a floating dialog box as shown below appears Cable Not Connected See Troubleshooting for more information ...

Page 30: ...the analog cables from the back of computer 3 Turn on the monitor The floating dialog box should appear on screen against a black background if the monitor 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 shown below will continuously scroll through the screen Cable Not Connected 4 Thi...

Page 31: ...reen has spots Cycle power on off Pixel that is permanently off is a natural defect that can occur in LCD technology For more information on Dell Monitor Quality and Pixel Policy see Dell Support site at http www dell com support monitors Stuck on Pixels LCD screen has bright spots Cycle power On Off Pixel that is permanently off is a natural defect that can occur in LCD technology For more inform...

Page 32: ...eo cable connector Wrong Color Picture color not good Change the settings of the Color Temp in the Picture menu OSD depending on the application Image retention from a static image left on the monitor for a long period of time Faint shadow from the static image displayed appears on the screen Use the Power Management feature to turn off the monitor at all times when not in use for more information...

Page 33: ...lug the monitor power cable plug it back and then turn on the monitor No Input Signal when user controls are pressed No picture the LED light is white Check the signal source Ensure the computer is not in the power saving mode by moving the mouse or pressing any key on the keyboard Check whether the signal cable is plugged in properly Re plug the signal cable if necessary Reset the computer or vid...

Page 34: ...t 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 Monitor support content See www dell com support monitors To contact Dell for sales technical support...

Page 35: ...Display Settings 2 Click Advanced display settings 3 Click the dropdown list of Resolution and select 2560 x 1440 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 se...

Page 36: ...vers for your graphics adapter attempt to set the resolution to 2560 x 1440 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 AMD Intel etc 5 Refer to the graphic card provider website for updated driver...

Page 37: ...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 monitor Avoid using detergent of any kind as some detergents leave a milky film on the monitor If you notice white powder when you unpack your monitor wipe it off with a cloth Handle your monitor with care as...

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