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L2251x Wide Flat Panel Monitor

User’s Guide

Product number

2578-HB6

First Edition (Jun 2009) © Copyright Lenovo 2009. All rights reserved.

LENOVO products, data, computer software, and serviceshave been developed exclusivelyat private expense and are asold to governmental entitiesas commercial items as definedby 48 C.F.R.2.101 with limitedand restricted rights to use,reproduction and disclosure.

LIMITED AND RESTRICTED RIGHTS NOTICE:IF products, data, computer software, or services are delivered pursuant a General Services Administration "GSA" contract, use, reproduction, or disclosure is subject to restrictions set forthin Contract No. GS-35F-05925.

Copyright Lenovo 2009 .

i

Contents

Safety information ……………………………………………………………………iii

Safety and Maintenance Guidelines ………………...…………………………………iv

Chapter 1. Getting started ……………………………….…………………………1-1

Shipping contents ………………………………………………………………………………………..… 1-1Product overview ………………………………………………………………………………………..…1-2Types of adjustments ……………………………………………………………………………………...1-2User controls ………………………………………………………………………………………………1-3Cable lock slot …………………………………………………………………………………………….1-4Setting up your monitor ……………………………………………………………………………………...1-4Connecting and turning on your monitor …………………………………………………………………1-4Registering your option ……………………………………………………………………………………...1-8

Chapter 2. Adusting and using your monitor …………………………………………..2-1

Comfort and accessibility …………………………………………………………………………………… 2-1Arranging your work area ………………………………………………………………………………...2-1Quick tips for healthy work habits ………………………………………………………………………..2-2Accessibility information …………………………………………………………………………………2-2Adjusting your monitor image ………………………………………………………………………………2-3Using the direct access controls …………………………………………………………………………..2-3Using theOn-ScreenDisplay (OSD) controls ……………………………………………………………2-3

Using the GreenLite software controls …………………………...........………………………………… 2-4Selecting a supported display mode ………………………………………………………………………....2-5

Understanding power management …………………………………………………………………………. 2-6Caring for your monitor………………………………………………………………………………………2-7Detaching the monitor stand …………………………………………………………………………………2-7

Chapter 3. Reference information ………………………………………………..……..3-1

Monitor specifications ………………………………………………………………………………………..3-1Troubleshooting………………………………………………………………………………………………3-2Manual Image setup……………………………………………………………………………………….3-3

Manually installing the monitor driver …………………………………………………………………… 3-4Service information………………………………………………………………………………………..3-7

Appendix A. Service and Support …………………………………………..…………...A-1

Online technical support ………………………………………………………………………..……………. A-1Telephone technical support ………………………………………………………………………..………...A-1Worldwide telephone list …….…………………………………………………………………….………A-1

Appendix B. Notices ………………………………………………………………….……B-1

Recycling information ……………………………………………………………………………………… B-2Trademarks ……………………………………………………………………………………………………B-3

Turkish statement of compliance..................................

……………………………………………………… B-4

Copyright Lenovo 2009.

ii

3AFETY INFORMATION

General Safety guidelines

For tips to help you use your computer safety, go to:

http://www.lenovo.com/safety

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iii

Safety and Maintenance Guidelines

Important Safety Information

The power cord is designed for use with your monitor. To use a different cord, use only a power source and connection compatible with this monitor.

WARNING: Always connect your monitor, the computer, and other equipment to a grounded (earthed) power outlet. To reduce the risk of electric shock or damage to your equipment, do not diable the power cord grounding feature. The grounding plug is an important safety feature.

WARNING: For your safety, be sure that the grounded power outlet you plug the power cord into is easily accessible to the operator and located as close to the equipment as possible. To disconnect power from the equipment, unplug the power cord from the power outlet by grasping the plug firmly. Never pull on the cord.

CAUTION: To protect your monitor, as well as your computer, connect all power cords for your computer and its peripheral devices (such as a monitor, printer, or scanner) to a surge protection device such as a power strip with surge protection or uninterruptible power supply (UPS).

Not all power strips provide surge protection; the power strips must be specifically labeled as having this ability. Use a power strip whose manufacturer offers a damage replacement policy, so you can replace your equipment if surge protection fails.

CAUTION: A certified power supply cord has to be used with this equipment. The relevant national installation and/or equipment regulations shall be considered. A certified power supply cord not lighter than ordinary polyvinyl chloride flexible cord according to IEC 60227 (designationH05VV-F3G 0.75mm²

or H05VVH2-F23G 0.75mm²) shall be used. Alternative a flexible cord be of synthetic rubber.

Safety Precautions

Use only a power source and connection compatible with this monitor, as indicated on the label/back plate of the monitor.

Be sure the total ampere rating of the products connected to the outlet dose not exceed the current rating of the electrical outlet, and the total ampere rating of the products connected to the power cord does not exceed the rating of the power cord. Look on the power label to determine the ampere rating (Amps or A) for each device.

Install your monitor near a power outlet that you can easily reach. Disconnect the monitor by grasping the plug firmly and pulling it from the outlet. Never disconnect the monitor by pulling the cord.

Do not allow anything to rest on the power cord. Do not walk on the cord.

While using VESA mount application, the AC Inlet must face to down side. Do not face any other position.

Maintenance Guidelines

To enhance the performance and extend the life of your monitor:

Do not open your monitor cabinet or attempt to service this product yourself. If your monitor is not operating properly or has been dropped or damaged, contact your Lenovo authorized dealer, reseller, or service provider.

Adjust only those controls that are described in the operating instructions.

Turn your monitor off when not in use. You can substantially increase the life expectancy of the monitor by using a screen saver program and turning off the monitor when not in use.

Keep your monitor in a well-ventilatedarea, away from excessive light, heat, or moisture.

Slots and openings in the cabinet are provided for ventilation. These openings must not be blocked or covered. Never push objects of any kind into cabinet slots or other openings.

Unplug the monitor from the power outlet before cleaning. Do not use liquid cleaners or aerosol cleaners.

Do not drop the monitor or place it on an unstable surface.

When removing the monitor base, you must lay the monitor face down on a soft area to prevent it from getting scratched, defaced, or broken.

Cleaning the Monitor

The monitor is a high-qualityoptical device that requires special care when cleaning. To clean the monitor, follow these steps:

1.Turn off the computer and the monitor.

2.Unplug your monitor from the power outlet before cleaning.

CAUTION: Do not use benzene, thinner, ammonia, or any volatile substance to clean the monitor screen or cabinet. These chemicals may damage the monitor. Do not use liquid or aerosol cleaners. Never user water to clean an LCD screen.

3.Wipe the screen with a dry, soft, clean cloth.

If the screen requires additional cleaning, use an antistatic screen cleaner.

4.Dust the monitor housing. Use a damp cloth to clean the cabinet.

If the cabinet requires additional cleaning, use a clean cloth dampened with isopropyl alcohol.

5.Plug in the monitor.

6.Turn on the monitor and the computer.

iv

Chapter 1. Getting started

This User’s Guide contains detailed information on the ThinkVision™ L2251x Wide Flat Panel Monitor. For a quick overview, please see the Setup Poster that was shipped with your monitor.

Shipping contents

The product package should include the following items:

Setup Poster

Monitor Safety, Troubleshooting, and Warranty Guide

Reference and Driver CD

Flat Panel Monitor

Power Cord

Analog Interface CableAttached to monitor

Display portCable

USB Cable

Cable Cover

Note: To attach a VESA mount, please see “Detaching the monitor stand” on page2-7.

Copyright Lenovo 2009.

1-1

Product overview

This section will provide information on adjusting monitor positions, setting user controls, and using the cable lock slot.

Types of adjustments

Tilt

Please see the illustration below for an example of the tilt range.

0 30

Swivel

With the built-inpedestal, you can tilt and swivel the monitor for the most comfortable viewing angle.

-4545

Height Adjustment

After pressing the top of the monitor, remove the fixed pin and adjust the height of the monitor.

1

110mm

 

2

1-2 L2251x Wide Flat Panel Monitor User’s Guide

Monitor Pivot

90

-Adjust height to the top position before rotation the monitor.

-Rotate clockwise until the monitor stops at 90°.

User controls

Your monitor has controls on the front which are used to adjust the display.

For information on how to use these controls, please see “Adjusting your monitor image ” on page 2-3.

Chapter 1. Getting started 1-3

Cable lock slot

Your monitor is equipped with a cable lock slot located on the rear of your monitor (in the lower right corner). Please follow the instructions that came with the cable lock to attach it.

Setting up your monitor

This section provides information to help you set up your monitor.

Connecting and turning on your monitor

Note: Be sure to read the Safety Information located in the Monitor Safety,

Troubleshooting, and Warranty Guide before carrying out this procedure.

1.Power off your computer and all attached devices, and unplug the computer power cord.

2 . Connect the analog signal cable to the D-SUBconnector of the monitor and the other end on the back of the computer.

1-4 L2251x Wide Flat Panel Monitor User’s Guide

3. Connect one end of the DP cable to the DP connector on the back of the computer, and the other end to the DP connector on the monitor.

4.Connect one end of the USB hub cable to the USB connector on the back of the computer, and the other end to the upstream USB connector on the monitor.

Chapter 1. Getting started 1-5

5.Plug the monitor power cord and the computer cord into grounded electrical outlets. Note: A certified power supply cord has to be used with this equipment. The relevant national installation and/or equipment regulations shall be considered. A certified power supply cord not lighter than ordinary polyvinyl chloride flexible cord according to IEC 60227 (designationH05VV-F3G 0.75mm² orH05VVH2-F23G 0.75mm²) shall be used. Alternative a flexible cord be of synthetic rubber according to IEC 60245 (designationH05RR-F3G 0.75mm²) shall be used.

1-6 L2251x Wide Flat Panel Monitor User’s Guide

6.Rotate the head of the monitor into portrait view.

7.Remove the four rubbers from the stand.

Chapter 1. Getting started 1-7

8.Replace the Cable Cover.

9. Power on the monitor and the computer.

10.To install the monitor driver, insert the Reference and Driver CD, click Install driver, and follow theon-screeninstructions.

1-8 L2251x Wide Flat Panel Monitor User’s Guide

11.To optimize your monitor image, if using the analog cable, press the Automatic Image Setup key. Automatic image setup requires that the monitor is warmed up for at least 15 minutes. This is not required if you are using the DP cable.

Note: If automatic image setup does not establish the image that you prefer, perform manual image setup. See “Manual image setup” on page3-2.

Registering your option

Thank you for purchasing this Lenovo ® product. Please take a few moments to register your product and provide us with information that will help Lenovo to better serve you in the future. Your feedback is valuable to us in developing products and services that are important to you, as well as in developing better ways to communicate with you. Register your option on the following Web site: http://www.lenovo.com/register

Lenovo will send you information and updates on your registered product unless you indicate on the Web site questionnaire that you do not want to receive further information.

Chapter 1. Getting started 1-9

Chapter 2. Adjusting and using your monitor

This section will give you information on adjusting and using your monitor.

Comfort and accessibility

Good ergonomic practice is important to get the most from your personal computer and to avoid discomfort. Arrange your workplace and the equipment you use to suit your individual needs and the kind of work that you perform. In addition, use healthy work habits to maximize your performance and comfort while using your computer.

For more detailed information on any of these topics, visit the Healthy Computing Web site at: http://www.lenovo.com/healthycomputing

Arranging your work area

Use a work surface of appropriate height and available working area to allow you to work in comfort.

Organize you work area to match the way you use materials and equipment. Keep your work area clean and clear for the materials that you typically use and place the items that you use most frequently, such as the computer mouse or telephone, within the easiest reach.

Equipment layout and setup play a large role in your working posture. The following topics describe how to optimize equipment setup to achieve and maintain good working posture.

Positioning and viewing your monitor

Position and adjust your computer monitor for comfortable viewing by considering the following items:

Viewing distance: Optimal viewing distances for monitors range from approximately 510mm to 760mm (20 in to 30 in) and can vary depending on ambient light and time of day. You can achieve different viewing distances by repositioning your monitor or by modifying your posture or chair position. Use a viewing distance that is most comfortable for you.

Monitor height: Position the monitor so your head and neck are in a comfortable and neutral (vertical, or upright) position. If your monitor does not have height adjustments, you might have to place books or other sturdy objects under the base of the monitor to achieve the desired height. A general guideline is to position the monitor such that the top of the screen is at or slightly below youreye-heightwhen you are comfortably seated. However, be sure to optimize your monitor height so the line of site between your eyes and the center the monitor suits your preferences for visual distance and comfortable viewing when your eye muscles are in a relaxed stated.

Tilt : Adjust the tilt of your monitor to optimize the appearance of the screen content and to accommodate your preferred head and neck posture.

General location: Position your monitor to avoid glare or reflections on the screen from overhead lighting or nearby windows.

The following are some other tips for comfortable viewing of your monitor:

Copyright Lenovo 2009.

2-1

Use adequate lighting for the type of work you are performing.

Use the monitor brightness, contrast, and image adjustment controls, if equipped, to optimize the image on your screen to meet your visual preferences.

Keep your monitor screen clean so you can focus on the screen’s contents.

Any concentrated and sustained visual activity can be tiring for your eyes. Be sure to periodically look away from your monitor screen and focus on a far object to allow your eye muscles to relax. If you have questions on eye fatigue or visual discomfort, consult a vision care specialist for advice.

Quick tips for healthy work habits

The following information is a summary of some important factors to consider to help you remain comfortable and productive while you use your computer.

Good posture starts with equipment setup: The layout of your work area and the setup of your computer equipment have a large effect on your posture while using your computer. Be sure to optimize the position and orientation of your equipment by following the tips outlined in “Arranging your work area ” on page 2-1 so you can maintain a comfortable and productive posture. Also, be sure to use the adjustment capabilities of your computer components and office furniture to best suit your preferences now and as your preferences change over time.

Minor changes in posture can help avoid discomfort: The longer you sit and work you’re your computer, the more important it is to observe your working posture. Avoid as summing any one posture for an extended period of time. Periodically make minor modifications in your posture to help deter any discomforts that might arise. Make use of any adjustments that your office furniture or equipment provide to accommodate changes in posture

Short, periodic breaks help ensure healthy computing: Because computing is primarily a static activity, it is particularly important to take short breaks from your work. Periodically, stand up you’re your work area, stretch, walk for a drink of water, or otherwise take a short break from using your computer. A short break from work gives your body a welcome change in posture and helps to ensure you remain comfortable and productive while you do work.

Accessibility information

Lenovo is committed to providing greater access to information and technology to people with disabilities. With assistive technologies, users can access information in the way most appropriate to their disability. Some of these technologies are already provided in your operating system; others can be purchased through vendors or

accessed at: http://www-03.ibm.com/research/accessibility/requests/accvpat.nsf/lenovo-bidx?OpenForm

2-2 L2251x Wide Flat Panel Monitor User’s Guide

Adjusting your monitor image

This section describes the user control features used to adjust your monitor image.

Using the direct access controls

The direct access controls can be used when the On Screen Display (OSD) is not displayed.

Note: The direct access controls are blue.

Table 2-1.Direct access controls

Icon

Control

Description

 

Input Change

Switches the video input source.

 

 

 

 

Image Setup

Activates automatic image adjustment.

 

 

 

 

Brightness

Direct access to Brightness adjustment.

 

 

 

Using the On-ScreenDisplay (OSD) controls

The settings adjustable with the user controls are viewed through the On-Screen

Display (OSD), as shown below.

 

 

(picture 1)

(picture 2)

To use the controls:

1.Press to open the main OSD menu(picture 1).

2.Use orto move among the icons. Select an icon and pressto access that function. If there is asub-menu,you can move between options using

or , then pressto select that function. Useorto make adjustments. Pressto save.

Chapter 2. Adjusting and using your monitor 2-3

3.Press to move backwards through thesub-menusand exit from the OSD.

4.Press and hold for 10 seconds to lock the OSD. This will prevent accidental

adjustments to the OSD. Press and hold for 10 seconds to unlock the OSD and allow adjustments to the OSD.

5.Enables DDC/CI by default. Use OSD Exit Key, press and hold thebuttons for 10 seconds to disable/enable DDC/CI function. The words " DDC/CI Disable/DDC/ CI/Enable" shows on the screen.

6. Press "Exit Key" to enter the input Signal meun(picture 2) when the monitor is under the condition of "No sync","No Cable" or "power Saving Mode".press or to choose input signal. press "AUTOSCAN" to go back to Auto Scan mode.

Using the Environment Sensing Utilities software controls

To use the controls:

1.Install the driver of camera from CD.

2.Install the Environment Sensing Utilities software from CD.

3.Open the Environment Sensing Utilities It can help you to use the display and computer in a healthier way by functions as follows:

a)Brightness Adjustment

The Built-incamera of the display will detect the intensity of the ambient light, and set the display to an appropriate brightness.

b) Auto Power Saving

The Built-incamera of the display will automatically detect whether the user is in front of the display or not.

If the user is not in front of the display over a certain period of time, the display will automatically enter the power saving mode.

4.You can upgrade the Environment Sensing Utilities from the website: http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=ENVR-SENSING

Chapter 2. Adjusting and using your monitor 2-4

Table 2-2.OSD functions

OSD Icon on Main

Submenu

Descirption

Controls and

Controls and

Adjustments

Adjustments

Menu

 

 

(Analog)

(Digital)

 

 

 

 

 

 

 

Brightness

Adjusts overall brightness

 

 

Same as Analog

 

 

 

 

 

 

 

 

 

Brightness/

 

 

 

 

 

 

 

 

 

 

Contrast

 

Adjusts difference between

 

 

 

 

Contrast

 

 

 

 

light and dark areas

 

 

 

 

 

 

 

 

 

 

Horizontal Position

Moves the image left or

 

 

Control Locked-

 

 

 

not required for

 

right.

 

 

 

 

 

 

digital input

Image Position

 

 

 

 

 

 

 

 

 

Vertical Position

Moves the image up or

 

 

 

 

 

 

 

 

down

 

 

 

 

 

 

 

 

 

 

Automatic

Automatically optimizes the image.

 

 

 

 

 

 

Image Setup

 

 

 

 

 

 

 

Manually optimizes the image. See “Manual image

 

 

Manual

setup” on page 3-3

 

 

 

 

 

 

 

 

Clock

Phase

Save

 

 

Adjusts intensity of red, green, and blue.

Same as Analog

Image Properties

Color

Preset mode

 

 

 

Neutral

 

 

 

 

 

 

 

sRGB

 

 

 

Reddish

 

 

 

 

 

 

 

Bluish

 

Custom

Red: Increases or decreases the saturation of ‘red’ in the image.

Green: Increases or decreases the saturation of ‘green’ in the image.

Blue: Increases or decreases the saturation of ‘blue’ in the image.

Save: Saves the custom color choices.

 

This monitor can accept video signals through two

Same as Analog

Input Signal

different connectors. Most desktop computers use

 

a D-SUBconnector. Select digital among OSD

 

 

 

 

Controls when you use DP connector.

 

-Selects D-SUB(Analog)

-Selects DP-Digital

2-5 L2251x Wide Flat Panel Monitor User’s Guide

Table 2-2.OSD functions

OSD Icon on Main

Submenu

 

Descirption

Controls and

Controls and

 

Adjustments

Adjustments

Menu

 

 

 

(Analog)

(Digital)

 

 

 

 

 

 

 

Off (Original AR)

 

 

 

Scaling

Same Aspect Ratio with input signal.

 

 

 

On (Full)

 

 

 

 

 

Expand image size to full screen.

 

Information

Options

Menu Language

Shows resolution, refresh rate, and product details.

Same as Analog

Note: This screen does not allow any changes to the

 

settings.

 

This section lists the languages supported by your

 

monitor.

 

Note: The language chosen only affects the

 

language of the OSD. It has no effect on any

 

software running on the computer.

 

Menu Position

Default

Custom

Factory Default

Accessibility

Exit

Menu position adjusts menu location on the screen.

Returns the menu position to the default settings.

Horizontal: Changes the horizontal position of the OSD

Vertical: Changes the vertical position of the OSD.

Save

Cancel

Reset

Reset monitor to original settings.

Controls button and menu settings for accessibility preferences.

Button repeat rate: Selectorto change.

Off

Default

Slow

Menu time out: Sets the length of time the OSD will remain active after the last time a button is pressed.

Exit the main menu

Same as Analog

Same as Analog

Chapter 2. Adjusting and using your monitor 2-6