Dell™ ST2220T monitor User's Guide About Your Monitor Setting Up Your Monitor Operating the Monitor Troubleshooting Appendix Notes, Notices, and Cautions NOTE: A NOTE indicates important information that helps you make better use of your computer. NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.
Back to Contents Page About Your Monitor Dell™ ST2220T monitor User's Guide Package Contents Product Features Identifying Parts and Controls Monitor Specifications Universal Serial Bus (USB) Interface Plug and Play Capability Maintenance Guidelines Package Contents Your monitor comes with all the items shown below. Ensure that you have all the items. If something is missing, contact Dell. NOTE: Some items may be optional and may not ship with your monitor.
l USB up stream cable (enables USB ports and touch function on the monitor) l Documentation (Safety Information, Quick Start Guide, and CD) l Cleaning cloth Product Features The ST2220T monitor has an active matrix, thin-film transistor (TFT), liquid crystal display (LCD). The monitor features include: ■ 21.5 inches (546.8 mm) diagonal. ■ 1920 X 1080 resolution, plus full-screen support for lower resolutions. ■ Touch sensitive—detects your finger or any other pointing device close to the screen.
1 Preset Modes select 2 Brightness/Contrast select 3 OSD menu select 4 EXIT 5 Power button (with light indicator) Back View Back view Back View with monitor stand Label Description Use 1 Barcode serial number label To contact Dell for technical support. 2 Regulatory rating label Lists the regulatory approvals. 3 Cable holder To organize cables by placing them through the holder. 4 USB downstream port To connect the USB cable. 5 Security lock slot To help secure your monitor.
Bottom view Label Description 1 Power cord connector 2 DVI connector 3 HDMI connector 4 VGA connector 5 Audio Line-in 6 USB upstream connector Monitor Specifications The following sections give you information about the various power management modes and pin assignments for various connectors of your monitor. Power Management Modes If you have VESA's compliance display card or software installed in your PC, the monitor can automatically reduce its power consumption when not in use.
NOTE: This monitor is ENERGY STAR®-compliant. Zero power consumption in OFF mode can only be achieved by disconnecting the main cable from the power adapter.
14 +5V power 15 Self test 16 Hot Plug Detect 17 TMDS RX0- 18 TMDS RX0+ 19 TMDS Ground 20 Floating 21 Floating 22 TMDS Ground 23 TMDS Clock+ 24 TMDS Clock- HDMI Connector Pin Number 19-pin Side of the Connected Signal Cable 1 T.M.D.S. Data 2- 2 T.M.D.S. Data 2 Shield 3 T.M.D.S. Data 2+ 4 T.M.D.S. Data 1+ 5 T.M.D.S. Data 1 Shield 6 T.M.D.S. Data 1- 7 T.M.D.S. Data 0+ 8 T.M.D.S. Data 0 Shield 9 T.M.D.S. Data 0- 10 T.M.D.S. Clock + 11 T.M.D.S. Clock Shield 12 T.M.
Pin Number 4-pin Side of the connector 1 DMU 2 VCC 3 DPU 4 GND USB Downstream Connector Pin Number 4-Pin Side of the Signal Cable 1 VCC 2 DMD 3 DPD 4 GND USB Ports l l 1 upstream at bottom 3 downstream at side NOTE: USB 2.0 functionality requires a USB 2.0-capable computer NOTE: The monitor's USB interface works only when the monitor is on or in power save mode. If you turn off the monitor and then turn it on, the attached peripherals may take a few to resume normal functionality.
Color Depth 16.7 mil colors Color Gamut 82%* * ST2220T color gamut (typical) is based on CIE1976 (82%) and CIE1931 (72%) test standards. Touch Screen Specifications Touch Technology Optical touch Touch Method Finger, stylus or any pointer Stylus Diameter Minimum 7 mm Mouse functionality—click, drag, double-click and right-click Capabilities Touch functionality—support Win7 multi-touch gestures Resolution 1920 X 1080 Accuracy +/-2.
Display Mode Horizontal Frequency (kHz) Vertical Frequency (Hz) Pixel Clock (MHz) Sync Polarity (Horizontal/Vertical) 640 x 350 31.47 70.09 25.18 +/- 640 x 400 31.47 70.09 25.18 -/+ 640 x 480 31.47 59.94 25.17 -/- 640 x 480 31.50 75.00 31.5 -/- 720 x 400 31.47 70.08 28.32 -/+ 800 x 600 37.88 60.32 40.00 +/+ 800 x 600 46.880 75.00 49.50 +/+ 1024 x 768 48.36 60.00 65.00 -/- 1024 x 768 60.02 75.03 78.75 +/+ 1152 x 864 67.50 75.00 108.
Non-operating Storage: -20° to 60° C (-4° to 140° F) Shipping: -20° to 60° C (-4° to 140° F) Humidity Operating 10% to 80% (non-condensing) Non-operating Storage: 5% to 90% (non-condensing) Shipping: 5% to 90% (non-condensing) Altitude Operating 3,657.60 m (12,000 ft) max Non-operating 12,192 m (40,000 ft) max Thermal dissipation 222.3 BTU/hour (maximum) 188.
Back to Contents Page Appendix Dell™ ST2220T monitor User's Guide Safety Instructions FCC Notice (U.S. Only) and Other Regulatory Information Contact Dell CAUTION: Safety Instructions CAUTION: Use of controls, adjustments, or procedures other than those specified in this documentation may result in exposure to shock, electrical hazards, and/or mechanical hazards. For information on safety instructions, see the safety information that shipped with your monitor. FCC Notices (U.S.
Back to Contents Page Setting Up Your Monitor Dell™ ST2220T monitor If you have a Dell™ desktop or a Dell™ portable computer with internet access 1. Go to http://support.dell.com, enter your service tag, and download the latest driver for your graphics card. 2. After installing the drivers for your graphics Adapter, attempt to set the resolution to 1920 X 1080 again.
Back to Contents Page Setting Up Your Monitor Dell™ ST2220T monitor If you have a non Dell™ desktop, portable computer, or graphics card 1. Right-click on the desktop and click Properties. 2. Select the Settings tab. 3. Select Advanced. 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 example, http://www.ATI.com OR http://www.NVIDIA.com ). 6.
Back to Contents Page Operating the Monitor Dell™ ST2220T monitor User's Guide Turn On the Monitor Using the Front Panel Controls Using the On-Screen Display (OSD) Menu Setting the Maximum Resolution Configure the monitor to the desired position to use Using the Touch Screen Turn On the Monitor Press the button to turn on the monitor Using the Front Panel OSD Controls Use the buttons on the side of the monitor to adjust the image settings.
Use the Exit button to exit on-screen display (OSD) from menu and sub-menus. Exit Front panel controls Use the buttons on the side of the monitor to adjust the image settings. Side panel button Description A Use the Up button to adjust (increase ranges) items in the OSD menu. Up B Use the Down button to adjust (decrease ranges) items in the OSD menu. Down C Use the OK button to confirm your selection. OK D Use the back button to go back to the main menu.
2. 3. Press the and buttons to toggle between options in the Menu. As you move from one icon to another, the option name is highlighted. To select the highlighted item on the menu press the again. 4. Press the 5. Press the 6. Select the and buttons to select the desired parameter. buttons to enter the slide bar and then use the or button, according to the indicators on the menu, to make your changes.
INPUT SOURCE Use the Input Source menu to select different video signals that may be connected to your monitor. Press the button to go back to the main menu Select VGA input when you are using the analog (VGA) connector. Press the button to select the VGA input source. Select DVI-D input when you are using the digital (DVI) connector. Press the button to select the DVI input source. Select HDMI input when you are using the digital (HDMI) connector. Press the button to select the HDMI input source.
l Multimedia: Loads color settings ideal for multimedia applications. l Game: Loads color settings ideal for most gaming applications. l Warm: Increase the color temperature. The screen appears warmer with a red/yellow tint. l Cool: Decreases the color temperature. The screen appears cooler with a blue tint. l Custom (RGB): Allows you to manually adjust the color settings. Press the and Blue values and create your own preset color mode.
Vertical Position Sharpness Use the and buttons to adjust image up and down (min 0 ~ max 100). NOTE: When using DVI or HDMI source, the Vertical Position setting is not available. Allows you to increase or decrease the sharpness of the image. and Use Pixel Clock buttons to adjust the sharpness from '0' to '100'. The Phase and Pixel Clock adjustments allow you to adjust your monitor to your preference. These settings are accessed through the main OSD menu, by selecting 'Display Settings'.
OTHER SETTINGS Back Press the button to go back to the main menu. Language Allows you to set the OSD display to one of six languages: English, Espanol, Francais, Deutsch, Simplified Chinese, or Japanese. Menu Transparency Allows you to adjust the OSD background from opaque to transparent. Menu Timer Allows you to set the time for which the OSD remains active after you press a button on the monitor. Use the Menu Lock and buttons to adjust the slider in 1 second increments, from 5 to 60 seconds.
Factory Reset Resets all OSD settings to the factory preset values. PERSONALIZE Allows you to adjust shortcut button for: 1. Brightness & Contrast 2. Preset Modes. OSD Warning Messages The following warning messages may appear on the screen to indicate that the monitor is out of synchronization. This means that the monitor cannot synchronize with the signal that it is receiving from the computer. Either the signal is too high or too low for the monitor to use.
If you press any button other than the power button, one of the following messages will appear depending on the selected input: See Solving Problem s for more information. Setting the Maximum Resolution To set the maximum resolution for the monitor: 1. 2. 3. 4. Right-click on the desktop and select Properties. Select the Settings tab. Set the screen resolution to 1920 x 1080. Click OK. If you do not see 1920 x 1080 as an option, you may need to update your graphics driver.
NOTE: The stand is attached when the monitor is shipped from the factory. Using the Touch Screen NOTE: Ensure that the USB cable is connected between the monitor and the computer. The Dell™ ST2220T monitor is touch sensitive—you can control the computer simply by touching the screen. The touch screen allows you to interact with the computer in a similar way to a mouse as follows: l l l l l Tap the screen once for a single mouse click. Tap the screen twice in quick succession for a double mouse click.
Back to Contents Page Setting Up Your Monitor Dell™ ST2220T monitor Setting the display resolution to 1920 x 1080 (Maximum) For optimal display performance while using the Microsoft® Windows® operating systems, set the display resolution to 1920 x 1080 pixels by performing the following steps: 1. Right-click on the desktop and click Properties. 2. Select the Settings tab. 3. Move the slider-bar to the right by pressing and holding left-mouse button and adjust the screen resolution to 1920 X 1080. 4.
Dell™ ST2220T monitor User's Guide Setting the display resolution to 1920 x 1080 (Maximum) Information in this document is subject to change without notice. © 2010 Dell Inc. All rights reserved Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.
Back to Contents Page Setting Up the Monitor Dell™ ST2220T monitor User's Guide Connecting the Monitor Organizing Your Cables Connecting Your Monitor CAUTION: Before you begin any of the procedures in this section, follow the Safety Instructions. NOTE: USB uplink cable needs to be connected for touch function. To connect your monitor to the computer: 1. 2. Turn off your computer and disconnect the power cable.
NOTE: The graphics are used for the purpose of illustration only. Appearance of the computer may vary. Connecting the USB Cable After you have completed connecting the DVI/VGA/HDMI cable, follow the procedure below to connect the USB cable to the computer and complete your monitor setup: 1. 2. 3. 4. 5. Connect the downstream USB connector (cable supplied) to an appropriate USB connector on your computer. Connect USB peripherals to the upstream USB connectors on the monitor.
Organizing Your Cables After attaching all necessary cables to your monitor and computer, (see Connecting Your Monitor) use the cable holder to organize all cables as shown above.
Back to Contents Page Troubleshooting Dell™ ST2220T monitor Self-Test Common Problems Product-Specific Problems Universal Serial Bus (USB) Specific Problems Touch Screen Problems CAUTION: Before you begin any of the procedures in this section, follow the Safety Instructions. Self-Test Your monitor provides a self-test feature that allows you to check whether your monitor is functioning properly.
4. 5. 6. Ensure that the screen is looking normal. Press the shortcut key 4 key on the front panel again. The color of the screen changes to red. Repeat steps 5 to inspect the display in green, blue, black, and white colored screens. The test is complete when the white screen appears. To exit, press the shortcut key 4 key again. If you do not detect any screen abnormalities upon using the built-in diagnostic tool, the monitor is functioning properly. Check the video card and computer.
Intermittent Problems Monitor malfunctions on & off l l l Missing Color Picture lacks color l l l l Wrong Color Picture color not good l l l l 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 l l Ensure that the video cable connecting the monitor to the computer is connected properly and is secure. Reset the monitor to Factory Settings.
l Before changing any settings, try restarting the computer.& Dell™ ST2220T. The cursor does not accurately follow your finger when you touch the screen l Try restarting the computer & Dell™ ST2220T. If the above remedies do not work, the touch screen needs calibrating. To fix the problem, see Calibrating the Touch Screen The cursor moves erratically l l l l Make sure there is nothing blocking the optics of the touch screen.
