Dell ST2220T Manuale utente

Dell™ST2220TmonitorUser'sGuide

Notes, Notices, and Cautions

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.

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 U.S. Environmental Protection Agency. As an ENERGY STAR partner, Dell Inc. has

determined that this product meets the ENERGY STAR guidelines for energy efficiency.

Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any

proprietary interest in trademarks and trade names other than its own.

Model ST2220Tc

September2010Rev.A00



About Your Monitor

Setting Up Your Monitor

Operating the Monitor

Troubleshooting

Appendix

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

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 not be available in certain

countries.



lMonitor with stand

lPower cable

lAudio cable

lVGA cable

lDVI cable (Optional)



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 ease of set-up and screen optimization.

■Software and documentation media which include an information file (INF), Image Color Matching File (ICM), and product documentation.

■Energy Saver feature for Energy Star compliance.

■Security lock slot.

■2 x 2 watt built-in speakers.

Identifying Parts and Controls

Front View

lUSB up stream cable (enables USB ports and touch

function on the monitor)

lDocumentation (Safety Information, Quick Start Guide,

and CD)

lCleaning cloth

Front View

Label

Description

Back View

Side View

Bottom View

Preset Modes select

Brightness/Contrast select

OSD menu select

EXIT

Power button (with light indicator)

Back view

Back View with monitor stand

Label

Description

Use

Barcode serial number label

To contact Dell for technical support.

Regulatory rating label

Lists the regulatory approvals.

Cable holder

To organize cables by placing them through the holder.

USB downstream port

To connect the USB cable.

Security lock slot

To help secure your monitor.

Leftview

Right view

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. This

is referred to as Power Save Mode. If the computer detects input from keyboard, mouse, or other input devices, the monitor automatically resumes functioning.

The following table shows the power consumption and signaling of this automatic power saving feature:

Activate the computer and 'wake up' the monitor to gain access to the OSD.

Bottom view

Label

Description

Power cord connector

DVI connector

HDMI connector

VGA connector

Audio Line-in

USB upstream connector

VESA Modes

Horizontal Sync

Vertical Sync

Video

Power Indicator

Power Consumption

Normal operation and

USB active

Active

White

55 W (maximum)

Normal operation

Active

White

28 W (typical)

Active-off mode

Inactive

Blanked

Amber

Switch off

-

-

-

Off

0.5 W

NOTE: The OSD functions in the 'Normal operation' mode. One of the following messages appears when the menu key is touched in Active-off mode.





ZeropowerconsumptioninOFFmodecanonlybeachievedbydisconnectingthemaincablefromthepoweradapter.

Pin Assignments

VGA Connector

DVIConnector

NOTE: This monitor is ENERGY STAR®-compliant.

Pin Number

15-pin Side of the Connected Signal Cable

Video-Red

Video-Green

Video-Blue

GND

Self-test

GND-R

GND-G

GND-B

Computer 5V

GND-sync

GND

DDC data

H-sync

V-sync

DDC clock

Pin Number

24-pin Side of the Connected Signal Cable

TMDS RX2-

TMDS RX2+

TMDS Ground

Floating

DDC Clock

DDC Data

Floating

TMDS RX1-

TMDS RX1+

TMDS Ground

Floating

HDMIConnector

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

+5V power

Selftest

Hot Plug Detect

TMDS RX0-

TMDS RX0+

TMDS Ground

Floating

TMDS Ground

TMDS Clock+

TMDS Clock-

Pin Number

19-pin Side of the Connected Signal Cable

T.M.D.S. Data 2-

T.M.D.S. Data 2 Shield

T.M.D.S. Data 2+

T.M.D.S. Data 1+

T.M.D.S. Data 1 Shield

T.M.D.S. Data 1-

T.M.D.S. Data 0+

T.M.D.S. Data 0 Shield

T.M.D.S. Data 0-

T.M.D.S. Clock +

T.M.D.S. Clock Shield

T.M.D.S. Clock -

CEC

Reserved (N.C. on device)

SCL

SDA

DDC/CEC Ground

+5V Power

Hot Plug Detect

NOTE: This monitor supports High-Speed Certified USB 2.0 interface

Transfer speed

Data Rate

Power Consumption

High speed

480 Mbps

2.5W(Max.,eachport)

Full speed

12 Mbps

2.5W(Max.,eachport)

Low speed

1.5 Mbps

2.5W(Max.,eachport)

USB Downstream Connector

USB Ports

l1 upstream at bottom

l3 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. For more information about changing the monitor settings, see Operating the monitor.

Monitor Specifications

Pin Number

4-pin Side of the connector

DMU

VCC

DPU

GND

Pin Number

4-Pin Side of the Signal Cable

VCC

DMD

DPD

GND

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 seconds

to resume normal functionality.

Screen type

Active matrix -TFT LCD

Panel Type

IPS

Screen dimensions

21.5 inches (21.5-inch measured diagonally viewable image

size)

Preset display area:

Horizontal:

Vertical:



475.2 mm (18.71 inches)

267.3 mm (10.52 inches)

Pixel pitch

0.2475 mm

Viewing angle

178°(vertical)typical,178°(horizontal)typical

Luminance output

250 CD/m²(typical)

Contrast ratio

1000:1 (typical)

Dynamic contrast

ratio

50,000:1 (typical)

Faceplate coating

Glare with Anti-Smudge coating (4H)

Backlight

CCFL

Response Time

8 ms with Overdrive (g-to-g)

*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—support Win7 multi-touch gestures

Resolution

1920 X 1080

Accuracy

+/-2.5 mm over 95% of touchable area (Microsoft Windows 7

compliant )

Touch Activation Force

No pressure required

Touch Durability

Unlimited

Touch Response Time

Typical response time 15 ms

Function

Vista

Win7

Starter

Win7

Home

Basic

Win7

Home

Premium

Win7

Ultimate

Win7 Pro

Win7

Enterprise

Other

Operating

Systems

Single-touch

Yes

Multi-touch(two points)

Yes

NOTE:

lSupport native Win7 multi-touch. (plug & play)

lSupport single-touch (mouse behavior) in Vista. (Need to install touch screen driver. Please find the touch screen driver for Vista in the CD)

lSupports Windows Vista and Windows 7 operating systems only.

lTouch screen is out of alignment when the desktop is not full screen.

lWin7 OS will automatically install touch screen driver each time when the USB cable is plugged into a USB port.

lIf you want to enable the touch screen functionality on the secondary monitor:

1. Set the primary monitor as an extended display.

2. Go to Start -> Control Panel -> Tablet PC Settings. Click Setup and follow the instructions on the screen.

Horizontal scan range

30 kHz to 83 kHz (automatic)

Vertical scan range

56Hzto76Hz(automatic)

Optimal preset resolution

1920 x 1080 at 60 Hz

Highest preset resolution

1920 x 1080 at 60 Hz

Video display capabilities (DVI

playback)

480i/480p/576i/576p/720p/1080i/1080p

(Supports HDCP)



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

+/+

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

108.00

+/+

1280 x 1024

63.98

60.02

108.00

+/+

1280 x 1024

79.98

75.02

135.00

+/+

1920 x 1080-R

66.587

59.934

138.50

+/-

1920 x 1080

55.62

49.92

141.50

-/+

Video input signals

Analog RGB, 0.7 Volts +/-5%, positive polarity at

75 ohm input impedance

Digital DVI-D TMDS, HDMI, 600mV for each

differential line, positive polarity at 50 ohm input

impedance

Audio Input and Output signals

Input signal level: 2Vrms without chipping

Synchronization input signals

Separate horizontal and vertical synchronizations,

polarity-free TTL level, SOG (Composite SYNC on

green)

AC/DC Adaptor input voltage/frequency/current

100 to 240 VAC/50 or 60 Hz +3 Hz/1.6A (Max.)

For use only with power supply DELL,

DA65NS4-00.

Inrush current

120 V: 30 A (Max.)

240 V: 60 A (Max.)

Connector type

15-pin D-sub miniature, blue connector; DVI-D, white connector; HDMI, Black connector

Signal cable type

Digital: Detachable, DVI-D, Solid pins, shipped detached from the monitor

Analog: Detachable, D-Sub, 15pins, shipped attached to the monitor

HDMI: Detachable, HDMI-A, Solid pins, shipped without cable

Dimensions

Height

14.96 inches (380.1 mm)

Width

20.79 inches (528.1 mm)

Depth

2.3 inches (58.5 mm)

Weight

Weight with packaging

8.03 kg (17.7 lbs)

Weight with cables

6.30 kg (13.9 lbs)

Temperature



Operating

0°to40°C(32°to104°F)

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