Dell ST2220L Manuale utente

Dell™ST2220L/ST2220M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 trademarks or registered 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.

ST2220Lb/ST2220Mb/ST2220Lc/ST2220Mc

June2010Rev.A00



About Your Monitor

Setting Up the Monitor

Operating the Monitor

Solving Problems

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™ST2220L/ST2220MmonitorUser'sGuide

Package Contents

Product Features

Identifying Parts and Controls

Monitor Specifications

Plug and Play Capability

LCD Monitor Quality & Pixel Policy

Maintenance Guidelines

Package Contents

Your monitor ships with the components shown below. Ensure 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 or media may not be available in certain countries.

lMonitor with Stand

lPower Cable



lDVI Cable (optional)



lVGA Cable



Product Features

The ST2220L/ST2220M flat panel display has an active matrix, Thin-Film Transistor (TFT), and Liquid Crystal Display (LCD). The monitor features include:

■ST2220L/ST2220M: 54.61cm (21.5") viewable area display.

■1920 x 1080 resolution, plus full-screen support for lower resolutions.

■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 CD which includes an information file (INF), Image Color Matching File (ICM), and product documentation.

■Energy Saver feature for Energy Star compliance.

■Security lock slot.

Identifying Parts and Features

Front View



Back View

lSafety Information

lDrivers and Documentation media

lQuick Setup Guide

Front View

Front Panel Controls

Label

Description

1-2

Shortcut keys

*The default settings are Preset Modes and Brightness/Contrast.

Shortcut key: Preset Modes (Default)

Shortcut key: Brightness/Contrast (Default)

OSD menu select

EXIT

Power On/Off (light indicator below Dell logo)



Side View

Bottom View



BackView

Label

Description/Use

Barcode serial number label

To contact Dell for technical support.

Security lock slot

To help secure your monitor.

Dell Soundbar mounting brackets

To attach the optional Dell Soundbar.

Regulatory rating label

Lists the regulatory approvals.

Stand release button

To release stand assembly from monitor.

Left Side



Monitor Specifications

Power Management Modes

IfyouhaveVESA'sDPMS™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 input from a keyboard, mouse or other input devices is detected by the computer, the monitor will automatically

"wake up". The following table shows the power consumption and signaling of this automatic power-savingfeature:

ST2220L/ST2220M

Pin Assignments

VGA Connector

Bottom view



Label

Description

AC power cord connector

DVI connector

HDMI connector

VGA connector

Audio Line-in

Audio Line out

Label

Description

AC power cord connector

DVI connector

VGA connector

VESA Modes

Horizontal

Sync

Vertical Sync

Video

Power

Indicator

Power Consumption

Normal operation

Active

White

28 W (maximum)

20 W (typical)

Active-off mode

Inactive

Blanked

Amber

Less than 1 W

Switch off

Off

Less than 0.5 W

NOTE: This monitor is ENERGY STAR®-compliant.

NOTE: Zero power consumption in OFF mode can only be achieved by disconnecting the main cable from the

monitor.

Number

15-pin Side of the

Connected Signal Cable

DVIConnector

Video-Red

Video-Green

Video-Blue

GND

Self-test

GND-R

GND-G

GND-B

Computer 5V/3.3V

GND-sync

GND

DDC data

H-sync

V-sync

DDC clock

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

+5V power

Selftest

Hot Plug Detect

TMDS RX0-

TMDS RX0+

TMDS Ground

Floating

TMDS Ground

TMDS Clock+

TMDS Clock-

HDMI Connector (for selective models)



Flat Panel Specifications

* Based on estimation

** ST2220L/ST2220M Color Gamut (Typical) is based on CIE1976 (78 %) and CIE1931 (68 %).

Resolution

Pin Number

19-pin Side of the Connected Signal Cable

TMDS DATA 2+

TMDS DATA 2 SHIELD

TMDS DATA 2-

TMDS DATA 1+

TMDS DATA 1 SHIELD

TMDS DATA 1-

TMDS DATA 0+

TMDS DATA 0 SHIELD

TMDS DATA 0-

TMDS CLOCK

TMDS CLOCK SHIELD

TMDS CLOCK-

CEC

Reserved (N.C. on device)

DDC CLOCK (SCL)

DDC DATA (SDA)

DDC/CEC Ground

+5V POWER

HOT PLUG DETECT

Model

ST2220L/ST2220M

Screen type

Active matrix -TFT LCD

Panel type

Screen dimensions

54.61cm (21.5 inches) (21.5-inch viewable image size)

Preset display area: Horizontal

Vertical

476.64 mm (18.76 inches)

268.11 mm (10.56 inches)

Pixel pitch

0.248 mm

Viewing angle

160°(vertical)typical,170°(horizontal)typical

Luminance output

250 CD/m ²(typical)

Dynamic Contrast Ratio

8,000,000 to 1*

Faceplate coating

Antiglare with hard-coating 3H

Backlight

LED light bar system

Response Time

5 ms typical

Color Depth

16.7 mil colors

Color Gamut

78 %**



Video Supported Modes



Preset Display Modes

ST2220L/ST2220M



Electrical



Physical Characteristics

Model

ST2220L/ST2220M

Horizontal scan range

30 kHz to 83 kHz (automatic)

Vertical scan range

56Hzto76Hz(automatic)

Maximum preset resolution

1920 x 1080 at 60 Hz

Model

ST2220L/ST2220M

Video display capabilities (HDMI playback)

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

Display Mode

Horizontal Frequency

(kHz)

Vertical Frequency

(Hz)

Pixel Clock

(MHz)

Sync Polarity (Horizontal/Vertical)

VGA, 720 x 400

31.469

70.087

28.3

-/+

VGA, 640 x 480

31.469

59.940

25.2

-/-

VGA, 640 x 480

37.500

75.000

31.5

-/-

VESA, 800 x 600

37.879

60.317

40.0

+/+

VESA, 800 x 600

46.875

75.000

49.5

+/+

VESA, 1024 x 768

48.363

60.004

65.0

-/-

VESA, 1024 x 768

60.023

75.029

78.8

+/+

VESA. 1152 x 864

67.500

75.000

108.0

+/+

VESA, 1280 x 1024

64.000

60.000

108.0

+/+

VESA, 1280 x 1024

79.976

75.025

135.0

+/+

VESA, 1920 x 1080

67.500

60.000

148.5

+/+

Model

ST2220L/ST2220M

Video input signals

Analog RGB, 0.7 Volts +/-5%, positive polarity at 75 ohm input impedance

Digital DVI-D TMDS, 600mV for each differential line, positive polarity at 50 ohm input

impedance

HDMI, 600mV for each differential line, 100 ohm input impedance per differential pair

(for ST2220L)

Synchronization input signals

Separate horizontal and vertical synchronizations, polarity-free TTL level, SOG

(Composite SYNC on green)

AC input voltage/frequency/current

100 to 240 VAC/50 or 60 Hz +3 Hz/2.0A (Max.)

Inrush iso surge current

120 V: 30 A (Max.)

240 V: 60 A (Max.)

Model

ST2220L/ST2220M

Connector type

lD-sub: Blue connector

lDVI-D: White connector

lHDMI (for selective models)

Signal cable type

lD-sub: Detachable, Analog, 15 pin, shipped attached to the monitor

lDVI-D

lHDMI (for selective models)



Environmental



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 that the system can configure itself and optimize the monitor settings. If required,

the user can select different settings, but in most cases monitor installation is automatic.

LCD Monitor Quality & Pixel Policy

During the LCD Monitor manufacturing process, it is not uncommon for one or more pixels to become fixed in an unchanging state. The visible result is a fixed

pixel that appears as an extremely tiny dark or bright discolored spot. When the pixel remains permanently lit, it is known as a "bright dot." When the pixel

remains black, it is known as a "dark dot."

In almost every case, these fixed pixels are hard to see and do not detract from display quality or usability. A display with 1 to 5 fixed pixels is considered

normalandwithincompetitivestandards.Formoreinformation,seeDellSupportsiteat:support.dell.com.

Maintenance Guidelines

Caring for Your Monitor

Dimensions (with stand)

Height

385.86 mm (15.19 inches)

Width

520.64 mm (20.50 inches)

Depth

203.68 mm (8.02 inches)

Dimensions (without stand)

Height

326.02 mm (12.84 inches)

Width

520.64 mm (20.50 inches)

Depth

59.40 mm (2.34 inches)

Stand dimensions

Height

149.85 mm ( 5.90 inches)

Width

203.68 mm (8.02 inches)

Depth

203.68 mm (8.02 inches)

Weight

Weight with packaging

5.19 kg (11.43 lb)

Weight with stand assembly and

cables

4.09kg(9.01lb)

Weight without stand assembly

(for wall mount or VESA mount

considerations -no cables)

3.10 kg (6.83 lb)

Weight of stand assembly

0.67 kg (1.48 lb)

Model

ST2220L/ST2220M

Temperature

Operating

0°to40°C(32°to104°F)

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

4,485 m (14,700 ft) max

Non-operating

12,191 m (40,000 ft) max

Thermal dissipation

95.54 BTU/hour (maximum)

68.24 BTU/hour (typical)

For best practices, follow the instructions in the list below while unpacking, cleaning, or handling your monitor:

lTo clean your antistatic screen, lightly dampen a soft, clean cloth with water. If possible, use a special screen-cleaning tissue or solution suitable for the

antistatic coating. Do not use benzene, thinner, ammonia, abrasive cleaners, or compressed air.

lUse a lightly-dampened,warmclothtocleanthemonitor.Avoidusingdetergentofanykindassomedetergentsleaveamilkyfilmonthemonitor.

lIf you notice a white powder when you unpack your monitor, wipe it off with a cloth.

lHandle your monitor with care as dark-colored monitors may scratch and show white scuff marks more than lighter-coloredmonitors.

lTo help maintain the best image quality on your monitor, use a dynamically changing screen saver and turn off your monitor when not in use.

Back to Contents Page



CAUTION: Read and follow the Safety Instructions before cleaning the

monitor.

CAUTION: Before cleaning the monitor, unplug the monitor from the electrical

outlet.

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