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Lenovo Övervaka ThinkVision LT2223d

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LT2223 wCd Flat Panel Monitor User’s Guide

OneLink Docking Monitor

Pr codu t numbers

60A9-MAR2-WW

First Edition (July 2013)

LENOVO products, data, computer software, and services have been developed exclusively at private expense and are

sold to governmental entities as commercial items as defined by 48 C.F.R. 2.101 with limited and restricted rights to use,

reproduction and disclosure.

LI ITEM D AN GH NOD D RESTRICTE RI TS TICE product data: If s, , compute oft are ervice ar deliverer s w , o sr s e d

pur rvisuan nera Set a Ge l ces A s a SA c t u re o s i s t r c s dmini tr tion "G " ontrac , se, produ ionct , r di losc ure s ubject o estri tion

se fort Contrac No GS-35F-05925t h in t . .

©Copyrigh Lenovt o 2013. i

Contents

Safety information........................................................................................iii

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

Shipping contents...................................................................................................................................1-1

Product overview...................................................................................................................................1-2

Types of adjustments...........................................................................................................................1-2

User controls ……………………………………………………………………………………………… .......1-3

Cable lock slot.................................................................................................................................... 1 -4

Setting up your monitor..........................................................................................................................1 -5

Connecting and turning on your monitor................................................................................................1 -5

Registering your option........................................................................................................................1-12

Chapter 2. Adjusting and using your monitor...............................................2-1

Comfort and accessibility........................................................................................................................2-1

Arranging your work area.....................................................................................................................2-1

Quick tips for healthy work habits........................................................................................................2-2

Accessibility information....................................................................................................................2-3

Adjusting your monitor image.................................................................................................................2-3

Using the On-Screen Display (OSD) controls........................................................................................2-3

Selecting a supported display mode..........................................................................................................2-7

Understanding power management...........................................................................................................2-9

Caring for your monitor...........................................................................................................................2-9

Detaching the monitor stand.......................................................................................................2-base and 10

wall Mounting (Optional)....................................................................................................................2-10

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

Monitor specifications...........................................................................................................................3-1

Troubleshooting....................................................................................................................................3-3

Manual image setup............................................................................................................................3 -4

Manually installing the monitor driver..................................................................................................3-5

Service information.............................................................................................................................3- 8

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

Online technical support …………………………………………………………………...............................A-1

Telephone technical support ………………………………………………………………..............................A-1

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

Recycling information …………………………………………………………………...............................B-2

Trademarks ………………………………………………………………………………...............................B-3

1 6-LT2223dwC s G eFlat Panel M r U r onito se uid

Connect one end of the OneLink cable to the OneLink connector on the back of the computer and

the other end to the OneLink connector on the monitor

Connect one end of the H MID cable to the connector on the back HDMI of the computer and ,

the other end to the connector on the monitor H MID .

Connect one end of the MHL cable to the monitor MHL port and the other end to the

mobile phone. MHL(Mobile-High-Definition Link) is an audio/video interface for directly

connecting mobile phones and other portable consumer electronic devices to high-

definition displays. This allows user to make the viewing of the connected device on the

monitor screen while charging it simultaneously.

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 1-7

The USB ports on the side are the downstream ports dedicate to USB 3.0 pstream port 2u

(on the bottom of monitor), they are compliance with USB 3.0 standard.

The top one is compliance USB attery hargeb c tandard s version 1.2, that can charge

portable device, max to 2A current.

1-8 LT2223dwC Flat Panel Monitor Users Guide

The USB ports are the downstream ports 2 3.0 connect to USB ype eypad t k ,

plug in the USB ype eypad to this ports or plug in the USB type Mouse to this port.t k

Connect et cable to RJ45 onnect.n c

Note: RJ45 connector support thernet connection 10/100/1000 Mbps.e

Need install the driver of AX88178A from CD.

Connet power cord and power adaptor onnect the power cord and power adaptor to c

the monitor,then to a properly grounded AC outlet.

Note: Risk of using a different power supply , please device use one of the below

approved power supplies.

Power Adaptor: Manufacturer/ trademark(Lite–On / lenovo, DELTA / lenovo)

Type/ model(ADL135NLC3A, ADL135NDC3A)

Chapter 1 Getting started 1-9.

X:\Ethernet Driver

Rotate the hea d of the monitor into portrait view.

Open the Main Clip and place the cables through the Main Clip.

LT2223dwC s G e

Flat Panel M r U r onito se uid

1-10

Power on the monitor and the computer.

To install the monitor driver, insert the , click Install Reference and Driver CD

driver, and follow the on-screen instructions.

Chapter 1. Getting started 1-11

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.

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.

1-12 LT2223dwC Flat Panel Monitor Users Guide

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:

Arranging your work area

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

work in comfort.

Organize your 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 your eye-height

when 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.

http://www.lenovo.com/healthycomputing/

· 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:

· 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 with your computer, the more important it is to observe your working

posture. Avoid assuming 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 from 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 your

emain comfortable and productive while you do work.

Chapter 2. Adjusting and using your monitor 2-2

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:

Adjusting your monitor image

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

Using the On-Screen Display (OSD) controls

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

Display (OSD), as shown below.

2-3 LT2223dwC t l r r ’s eFla Pane Monito Use Guid

(picture 1)

Br ghtness/Contrasti/DCR

https://lenovo.ssbbartgroup.com/lenovo/request_vpat.php

Chapter 2. Adjusting and using your monitor 2-4

To use the controls:

1. Press to open the main OSD menu.

2. Use or to move among the icons. Select an icon and press to access that

function. If there is a sub-menu, you can move between options using or ,

then press to select that function. Use or to make adjustments. Press to

save.

3. Press to move backwards through the sub-menus and 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 the button

for 10 seconds to disable / enable DDC/CI function. The words " DDC/CI Disable

/DDC/CI/Enable" shows on the screen.

Table 2-2. OSD functions

OSD Icon

on Main

Submenu Description Controls and

Adjustments

(Analog)

Controls and

Adjustments

(Digital)

Brightness-

/Contrast

Brightness Adjusts overall brightness.

Same as

Analog

Contrast Adjusts difference between light and dark areas.

Dynamic

Contrast Ratio

This function can improve your video input contrast ration

automatically.

Image

Position

Horizontal Position Moves the image left or right.

Controls

Locked not

required for

digital input

Vertical Position Moves the image up or down.

Image

Setup

Automatic Automatically optimizes the image.

Manual

Manually optimizes the image. See "M nual mage setup" page 3-4.a

. Clock . Phase . Save

Image

Properties

Color

Adjusts intensity of red, green, and blue.

• Neutral • sRGB • Reddish • Bluish

. 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.

Same as

Analog

Preset mode

Custom

This monitor can accept video signals through t differenthree

connectors. Most desktop computers use a D-SUB connector.

Select digital among OSD Controls when you use connectorO Lne ink

or HDMI connector.

. Selects D-SUB (Analog)

. Selects O Lne ink . Selects HDMI or MHL(if connect HDMI

cable,select HDMI,if MHL cable,select MHL)

Input Signal

Scaling

Expends image size to full screen.

. Off (1

. On (Full)

Note: Brightness and Contrast can not be adjusted in sRGB mode.

2-5 LT2223dwC Flat Panel Monitor User’s Guide

Chapter 2. Adjusting and using your monitor2-6

Table 2-2. OSD functions (continued)

OSD Icon on

Main Menu

Submenu Description Controls and

Adjustments

(Analog)

Controls and

Adjustments

(Digital)

Options Information

Shows resolution, refresh rate, and product details. Note:

This screen does not allow any changes to the settings. Same as

Analog

Menu Language

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 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

Default

Custom

Factory Default

. Cancel . Reset

Resets monitor to the original factory settings.

Controls button and menu settings for accessibility preferences.

Accessibility Button repeat rate:

Select or to 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 Exit the main menu Same as Analog

Selecting a supported display mode

The display mode the monitor uses is controlled by the computer. Therefore, refer to

your computer documentation for details on how to change display modes.

The image size, position and shape might change when the display mode changes.

This is normal and the image can be readjusted using automatic image setup and the

image controls.

Unlike CRT monitors, which require a high refresh rate to minimize flicker, LCD or

Flat Panel technology is inherently flicker-free.

Note: If your system has previously been used with a CRT monitor and is currently

configured to a display mode outside the range of this monitor, you may need

to re-attach the CRT monitor temporarily until you have re-configured the

system; preferably to 1920 x 1080 at 60 Hz, which is the Native Resolution

Display mode.

The display modes shown below have been optimized at the factory.

Tabl 2-3 Factor se displa modee . y t y s

Addressability Refresh rate

64 480 x 0 60 Hz, 72 Hz, 75 Hz

72 400 x 0 70 Hz

80 600 x 0 56 Hz, 60 Hz, 72 Hz, 75 Hz

832 624 x 75 Hz

102 764 x 8 60 Hz, 70 Hz, 75 Hz

1 2 x 415 86 75 Hz

128 1020 x 4 60 Hz, 70 Hz, 75 Hz

1366 768 x 60 Hz

144 900 x 0 60 Hz

160 900 x 0 60 Hz, 75 Hz

168 1050 x 0 60 Hz

192 1080 x 0 60 Hz

2-7 LT2223dwC t l r r’s eFla Pane Monito Use Guid

Image rotation

Before rotating the monitor, you should set-up your computer to rotate the image.

Rotating the image may require special rotation software or you may find that your

computer is preloaded with video graphic drivers that allows image rotation. Check

the Graphic Properties setting on your computer to see if this feature is available.

Try these steps to check if image rotation is available on your computer.

1. Right-click on the desktop and click Properties.

2. Select the Settings tab and click Advanced.

3. If you have ATI, select the Rotation tab and set the preferred rotation. If you have

nVidia, click the nVidia tab, in the left-hand column select NV Rotate, and then

select the preferred rotation. If you have Intel, select the Intel graphics tab, click

Graphic Properties, select the Rotation tab, and then set the preferred rotation.

Check with the manufacturer of your computer to see if graphic drivers with image

rotation can be downloaded from their support website.

Chapter 2. Adjusting and using your monitor 2-8

Audio description:

If your Operation System(OS) is XP, for the XP limitation, 2 phenomena will be happened:

A) The USB audio is recognized as a speaker phone by PC, Speaker volume control icon will be

disappeared when you plug in the USB cable.

B) Because PC doesn't set the USB audio as the prior audio output automatically when you first

plug in the USB cable, and the monitor will not audio output.

You must setup it manually once, please refer to below step:

1> Open your “control panel” from the start.

2> Then open the “sounds and audio devices”

3> Select the “audio” tab.

4> Select LT2223dwC as default audio output.

5> Apply it.

Caring for your monitor

Be sure to turn off the power before you perform any maintenance on the monitor.

Do not:

· Apply water or liquid directly to your monitor.

· Use solvents or abrasives.

· Use flammable cleaning materials to clean your monitor or any other electrical

equipment.

· Touch the screen area of your monitor with sharp or abrasive items. This type of

contact may cause permanent damage to your screen.

· Use any cleaner which contains an anti-static solution or similar additives. This

may harm the coating of the screen area.

Do:

· Lightly dampen a soft cloth with water and use this to gently wipe the covers and

the screen.

· Remove grease or finger marks with a damp cloth and a little mild detergent.

2-9 LT2223dwC t l r r ’s eFla Pane Monito Use Guid

Understanding power management

Power management is invoked when the computer recognizes that you have not used

your mouse or keyboard for a user-definable period. There are several states as

described in the table below.

For optimal performance, switch off your monitor at the end of each working day, or

whenever you expect to leave it unused for long periods during the day.

Table 2-4. Power indicator

State

ENERGY STAR

Press the power key

There may be a slight

delay before the image

reappears.

Off OffOff

ENERGY STAR

Press a key or move the

mouse

There may be a slight

delay before the imag

erea eapp rs.

Note: Standby also

occurs if there is no image

output to the monitor.

B klanSteady amberStandby/Su pens d

N lormaSteady greenOn

ComplianceRestoring OperationScreenPower Indicator

Wall Mounting (Optional)

Refer to the instructions that come with the VESA compatible base mounting kit.

1. Place the monitor face down on a non-abrasive surface on stable flat table.

2. Remove the stand.

3. Attach the mounting bracket from the wall mounting kit to the monitor.

4. Mount the monitor on the wall by following the instructions that come with the base

mounting kit.

For use only with UL(expand UL) Listed Wall Mount Bracket with minimum NOTE:

weight/load bearing capacity of 6.00 kg.

Chapter 2. Adjusting and using your monitor 2-10

Detaching the monitor base and stand

Chapter 3. Reference information

This section contains monitor specifications, instructions to manually install the

monitor driver, troubleshooting information, and service information.

Monitor specifications

Table 3-1. Monitor specifications for type-model

Dimensions

Height

Depth

Width

379.36 mm

218.42 mm

512.64 mm

Panel Size 21.5 in.

Backlight LED

Aspect Ratio 16:9

Tilt range Range: -5º, +30º

Stand Swivel Range: -45º, +45º

Lift Range: 110.0mm

Pivot Yes (clockwise 90 degree)

VESA mount Supported 100 mm (3.94 in.)

Image Viewable image size

Maximum height

Maximum width

Pixel pitch

546.86 mm (21.5 in.)

26 . mm (10.5 in.)7 79 4

476. 6 mm (18.7 in.)0 4

0.248 mm (0.0098 in.) (V)

Power input Supply voltage

Max supply current

20V 6.75A

Power consumption

Note: Power consumption

figures are for the monitor and

the power supply combined.

Max Consumption

(Without USB and

charge loading)

Typical Consumption

Standby/Suspend

Off

< W 30

< W25

< 0.5 W

Power delivery capability Max power delivery to

NB from One ink L

cable

65W 20V, 3 ( .25A)

2013

Table 3 1 Monitor specifications for type model - . - ( ) continued

Communications VESA DDC CI

Supported Display Modes

(VESA Standard modes

between noted ranges )

Horizontal frequency VGA: 30 kHz - 81 kHz

DP: 30 kHz - kHz81

Vertical frequency 50 Hz - 75 Hz

Native Resolution 1920 x 1080 at 60 Hz

º º º

Operating 0º to 45 C (32 to 104 F)

-º º º º

Storage 20

to 60 C (

-4 to 140 F)

i-º

Shipp º º º

ng 20 to 60 C ( 4 to 140 F)-

Humidity Operating 10 to 90% %

Storage 10 to 90%%

Ship ing 10 to 90%p%

Temp erature

3-2 Flat Panel Monitor User’s Guide

HDMI input Input signal TMDS

Horizontal addressability 1920 pixels max ( )

Vertical addressability 1080 lines (max )

Clock frequ yenc 165 MHz

Vid eo input ( )One inkLInterface One inkL

Horizontal addressability 1920 pixels max ( )

Vertical addressability 1080 lines (max )

C flock requency 225 MHz

Video input (Analog) Input signal Analog Direct Drive, 75 ohm 0.7 V

Horizontal addressability 1920 pixels (max)

Vertical addressability 1080 lines (max)

Clock frequency 205 MHz

Troubleshooting

If you have a problem setting up or using your monitor, you might be able to solve it

yourself. Before calling your dealer or Lenovo, try the suggested actions that are

appropriate to your problem.

Table 3-2. Troubleshooting

Problem Possible cause Suggested action Reference

The words "Out

of Range" are

shown on the

screen, and the

power indicator

is flashing green.

The image

quality is

unacceptable.

The power

indicator is not

lit and there is

no image.

The system is set to a

display mode which is

not supported by the

monitor.

"Selecting a

supported

display

mode" on

page 2-7

The color settings may

be incorrect. Select another color setting from the

OSD menu.

Perform automatic image setup.

The monitors power

switch is not switched

on.The power cord is

loose or

disconnected.

There is no power at

the outlet.

Be sure the power cord is connected

properly.

Be sure the outlet has power.

Power on the monitor.

Try using another power cord.

Try using another electrical outlet.

"Connecting

and turning

on your

monitor" on

Page 1-5

Chapter 3. Reference information 3-3

"Adjusting

your monitor

image" on

page 2-3

"Adjusting

your monitor

image"" on

page 2-3

The automatic image

setup function was not

performed.

The video signal cable is

not connected with the

monitor or system

completely.

Be sure the signal cable is firmly

plugged into the system and monitor.

"Connecting

and turning

on your

monitor" on

Page 1-5

· If you are replacing an old monitor,

reconnect it and adjust the display

mode to within the specified range

for your new monitor.

f using a Windows system, restart

the system in safe mode, then select

a supported display mode for your

computer.

f these options do not work,

contact the Support Center.

· I

when saw the screen show

OSD message " The power

adapter you are using cannot

provide sufficient power to

charge the laptop. Refer to

your monitor user guide for

a list of appropriate adapters."

after 10s the OSD is disappear.

The power delivery for

power adapter is less

than 135W,result in no

power supply ability

for NB.

Connect 135W or more than 135W

power delivery for power adapter.

3-4 Flat Panel Monitor User ’s Guide

Table 3-2. Troubleshootingg(continued)

Problem Possible cause Suggested action Reference

Screen is

blank and

power

indicator is

steady amber

or flashing

green

The monitor is in

Standby/Suspend

mode

· Press any key on the

keyboard or move the mouse

to restore operation.

Check the Power Options

settings on your computer.

"Understanding power

management" on

Page2-9

The power

indicator is

green, but

there is no

image.

The video signal cable

is loose or

disconnected from the

system or monitor.

Be sure the video cable is

connected with the system

properly.

"Connecting and turning

on your monitor" on

Page 1-5

The monitor brightness

and contrast are at the

lowest setting.

Adjust the brightness and

contrast setting on the OSD

menu.

"Adjusting your monitor

image" on page 2-3

One or more

of the pixels

appear

discolored

This is a characteristic

of the LCD technology

and is not an LCD

defect.

If there are more than five pixels

missing, contact the Lenovo

Support Center.

Appendix A, "Service

and Support," on

page A-1

Fuzzy lines

in text or a

blurryimage.

Horizontalor

vertical

lines

through the

image.

Image setup has no

tbeen optimized

Your system

Display Properties

setting have not

been optimized.

Adjust the resolution settings on

your system to match the native

resolution for this monitor:

1920x 1080 at 60 Hz.

"Adjusting your monitor

image" on page 2-3

"Manual image setup”

Perform automatic image setup.

If automatic image setup does

not help, perform manual image

setup.

"Selecting a supported

display mode" on

page 2-7

When working in the native

resolution, you may find

additional improvements by

adjusting the Dots Per Inch

(DPI) setting on your system.

See the Advanced

section of your systems

display properties.

Manual image setup

If automatic image setup does not establish the image that you prefer, perform

manual image setup.

Note: Have your monitor powered on for about 15 minutes, until the monitor

warms up.

1. Press at the bottom of the monitor to open the OSD menu.

2. Use or to select and press to access.

Manually installing the monitor driver

Below are steps for manually installing the monitor driver in Microsoft® Windows

Vista, Microsoft® Windows 7 and Microsoft

8Windows /Windows 8.1 Professional.

Installing the monitor driver in Windows Vista

To install the monitor driver in Microsoft® Windows Vista, do the following:

Note: You must download files from the Lenovo Monitor CD to use the Plug

and Play feature in Windows Vista.

1. Turn off the computer and all attached devices.

2. Ensure that the monitor is connected correctly.

3. Turn on the monitor and then the system unit. Allow the system to boot into

Windows Vista operating system.

4. lic C k the Star Control Panelt, icon.

5. Click the icon.Personalization

6. Click the icon.Display Settings

7. Click t he Advanced Settings button.

8. Click the tab.Monitor

9. Click the button.Properties

10. Click the tab.Driver

11. Open the “Update Driver Software-Generic PnP Monitor” window by

clicking on . and then click the “Update Driver Browse my computer for

driver software” button.

12. Select “ ”and then Let me pick from a list of device drivers on my computer

click the button. Next

13. Insert Lenovo Monitor CD into the CD drive and click the button. Click Have Disk

on the button and navigate to the following directory:Browse

X:\Monitor Drivers\Windows Vista

X(where is the drive letter designator for the CD-ROM drive).

14. Select the "LT2223dwC. " file and click the button. Click the button.inf Open OK

15. Select Lenovo LT2223dwC and click . The files will be copied from the CD toNext

your hard disk drive.

3.Use or to select and adjustment.Clock Phase

· Clock (pixel frequency) adjusts the number of pixels scanned by one horizontal

sweep. If the frequency is not correct, the screen shows vertical stripes and the

picture does not have the correct width.

adjusts the phase of the pixel clock signal. With a wrong phase adjustment,Phase

the picture has horizontal disturbances in light picture.

4.When the image no longer looks distorted, save the Clock and Phase adjustments.

5.Press to leave the OSD menu.

Chapter 3. Reference information 3-5

16. Close all open windows and remove the CD.

17. Restart the system

The system will automatically select the maximum refresh rate and corresponding

Color Matching Profiles. .

Note: On LCD monitors, unlike CRTs, a faster refresh rate does not improve display

quality. Lenovo recommends using either 1920 x 1080 at a refresh rate of 60 Hz,

or 640 x 480 at a refresh rate of 60 Hz.

Installing the monitor driver in Windows 7

3-6 Flat Panel Monitor User’s Guide

To install the device driver in Microsoft® Windows 7, do the following:

Note: You must download files from the Lenovo Monitor CD to use the Plug and Play

feature in Windows 7.

1. Turn off the computer and all attached devices.

2. Ensure that the monitor is connected correctly.

3. Turn on the monitor and then the system unit. Allow your computer to start the

Windows 7 operating system.

lic C k the Star Control Panelt, icon.

5. Click the icon. Display

6. Click the icon. Display Settings

7. Click the button. Advanced Settings

8. Click the tab. Monitor

9. Click the button. Properties

10. Click the tab. Driver

11. Open the "Update Driver Software-Generic PnP Monitor" window by clicking on

and then click the "Update Driver Browse my computer for driver software" button.

12. Select “Let me pick from a list of device drivers on my computer” and then click the

Next button.

13. Insert the Lenovo Monitor CD into the CD drive and click the button. Have Disk

Click on the button and navigate to the following directory: Browse

(where is the drive letter designator for the CD-ROM drive). X:\Monitor Drivers X

14. Select the " " file and click the Open button. Click the OK button.

15. Select LT2223dwC and click . The files will be copied from the CD to your hard Next

disk drive.

16. Close all open windows and remove the CD.

17. Restart the computer.

The system will automatically select the maximum refresh rate and corresponding color

Matching profiles. Note: On LCD monitors, unlike CRTs, a faster refresh rate does not

improve display quality. Lenovo recommends using either 1920 x 1080 at a refresh rate

of 60 Hz, or 640 x 480 at a refresh rate of 60 Hz

LT2223dwC .inf

Chapter 3. Reference information 3-7

Installing the monitor driver in Windows 8 /Windows 8.1

To use the Plug and Play feature in Microsoft Windows do the following 8/Windows 8.1, :

Note You must download file from the Reference and Driver CD to use the Plug:

and Play feature in Windows 8 /Windows 8.1.

1 Turn off the computer all attached devices. , .

2 Ensure that the monitor is connected correctly. .

3 Turn on the monitor and then the system unit Allow your computer to start the. .

Windows 8 operating system /Windows 8.1 .

4 Open the Display Properties window by clicking Start right click choose All. , - ,

Application, inter Control Panel and Hardware and Sound icon and. then clicking

the Display icon .

5 Click the tab.Change the display settings

6 Click the Settings icon..Advanced

7 Click the tab. .Monitor

8 Click the button..Properties

9 Click the tab..Driver

10 Click , then click .Update Driver Browse the computer to find the driver program.

11 Select .Pick from the list of device driver program on the computer.

12 Click the button. Click the button and navigate to the .Have Disk Browse

following directory:

X Monitor Drivers:\

(where X is the drive letter designator for the drive). CD-ROM

13.Select the "

LT2223dwC .inf Open" file and click the button. Click the OK button.

14 Select .LT2223dwC and click . The files will be copied from the CD to Next

your hard disk drive.

15 Close all open windows and remove the CD..

16 Restart the system. The system will automatically select the maximum refresh .

rate and corresponding Color Matching Profiles.

Note: On LCD monitors, unlike CRTs, a faster refresh rate does not improve display quality.

Lenovo recommends using either 1920 x 1080 at a refresh rate of 60 Hz, or 640 x 480

at a refresh rate of 60 Hz.

3-8 Flat Panel Monitor User’s Guide

Getting further help

If you still can’t solve your problem, please contact the Lenovo Support Center. For

more information on contacting the Customer Support Center, please see Appendix

A, “Service and Support,” on page A-1.

Service information

Product numbers

The product number for your monitor is located on the back of the display bezel as

shown below.

Customer responsibilities

The warranty does not apply to a product which has been damaged due to accident,

misuse, abuse, improper installation, usage not in accordance with product

specifications and instructions, natural or personal disaster, or unauthorized

alterations, repairs or modifications.

The following are examples of misuse or abuse and not covered by warranty:

· Images burned onto the screen of a CRT monitor. Burned image is preventable

by utilizing a moving screen saver or power management.

· Physical damage to covers, bezel, base and cables.

· Scratches or punctures on monitor screens.

Produktspecifikationer

Varumärke:	Lenovo
Kategori:	Övervaka
Modell:	ThinkVision LT2223d
Färg på produkten:	Zwart
Vikt:	6800 g
Bredd:	432 mm
Djup:	178 mm
Höjd:	87 mm
Användarmanual:	Ja
Nuvarande:	0.5 A
Medföljande kablar:	AC
Ramtyp:	Open frame
Certifiering:	CE, FCC Part 15 Class A Conformance, UL & c-UL Listed 60950
Hållbarhetscertifikat:	RoHS
Maximalt luftflöde:	94 cfm
Rackmontering:	Ja
Typ av kylning:	Actief
Rackkapacitet:	2U
AC-ingångsspänning:	90 - 264 V
AC-ingångsfrekvens:	50 - 60 Hz