Dell St2220t Users Guide
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Notes, Notices, and Cautions Information in this document is subject to change without notice. Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Trademarks used in this text: DELL and the DELL logo are trademarks of Dell Inc; Microsoft and Windows are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries; ENERGY STAR is a registered trademark of the...
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Back to Contents Page About Your Monitor ST2220T monitor Users Guide Package Contents Your monitor comes with all the items shown below. Ensure that you have all the items. If something is missing, contact Dell . Package Contents Product Features Identifying Parts and Controls Monitor Specifications Universal Serial Bus (USB) Interface Plug and Play Capability Maintenance Guidelines NOTE: Some items may be optional and may not ship with your monitor. Some features or media may...
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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. ■ Tilt adjustment capability. ■ Plug and play capability if supported by your system. ■ On - Screen Display (OSD) adjustments for...
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Back View Side View Bottom View 1 Preset Modes select 2 Brightness/Contrast select 3 OSD menu select 4 EXIT 5 Power button (with light indicator) Back view Back View with monitor stand Label Description Use 1 Barcode serial number label T o contact Dell for technical support. 2 Regulatory rating label Lists the regulatory approvals. 3 Cable holder T o organize cables by placing them through the holder. 4 USB downstream port To connect the USB cable. 5 Security lock slot T o help secure your...
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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 VESAs compliance display card or software installed in your PC, the monitor can automatically reduce its power consumption when not in use. This is referred to as Power Save Mode . If the computer detects input from keyboard, mouse, or other input devices, the monitor automatically resumes...
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Zero power consumption in OFF mode can only be achieved by disconnecting the main cable from the power adapter. Pin Assignments VGA Connector NOTE: This monitor is ENERGY STAR ® - compliant. Pin Number 15 - pin Side of the Co nnected Signal Cable 1 Video - Red 2 Video - Green 3 Video - Blue 4 GND 5 Self - test 6 GND - R 7 GND - G 8 GND - B 9 Computer 5V 10 GND - sync 11 GND 12 DDC data 13 H - sync 14 V - sync 15 DDC clock Pin Number 24 - pin Side of th e C o nnected Signal Cable 1 TMDS...
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Universal Serial Bus (USB) Interface This section gives you information about the USB ports that are available on the left side of your monitor. USB Upstream Connector 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 - Pin Number 19 - pin Side of th e C o nnected 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...
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USB Downstream Connector USB Ports l 1 upstream at bottom l 3 downstream at side Plug and Play Capability You can install the monitor in any Plug and Play - compatible system. The monitor automatically provides the computer system with its Extended Display Identification Data (EDID) using Display Data Channel (DDC) protocols so the system can configure itself and optimize the monitor settings. Most monitor installations are automatic; you can select different settings if desired....
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* ST2220T color gamut (typical) is based on CIE1976 (82%) and CIE1931 (72%) test standards. Touch Screen Specifications Touch screen OS compatibility Resolution Specifications Video Supported Modes Preset Display Modes Color Depth 16.7 mil colors Color Gamut 82%* Touch Technology Optical touch Touch Method Finger, stylus or any pointer Stylus Diameter Minimum 7 mm Capabilities Mouse functionality — click, drag, double - click and right - click Touch functionality —...
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Electrical Specifications Physical Characteristics Environmental Characteristics 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...