Lenovo LXM WL19CH User Manual

Contents

CERTIFICATIONS --------------------------------------------------------------------

NOTICE ----------------------------------------------------------------------------------

PRECAUTIONS ----------------------------------------------------------------

SPECIAL NOTES ON LCD MONITORS ---------------------------------

BEFORE YOU OPERATE THE MONITOR -------------------------------------

FEATURES ----------------------------------------------------------------------

PACKING LIST -----------------------------------------------------------------

CONTROLS AND CONNECTORS ----------------------------------------

ADJUSTING THE VIEWING ANGLE -------------------------------------

OPERATING INSTRUCTIONS -----------------------------------------------------

GENERAL INSTRUCTIONS ------------------------------------------------

HOW TO USE OSD ----------------------------------------------------------- 10

ADJUSTING THE PICTURE -------------------------------------------- 10-11

GREEN MONITOR------------------------------------------------------------ 12

PLUG AND PLAY ------------------------------------------------------------- 12

TECHNICAL SUPPORT(FAQ) ------------------------------------------------- 13-14

ERROR MESSAGE & POSSIBLE SOLUTION ---------------------- 15

APPENDIX A SPECIFICATIONS ----------------------------------------- 16

APPENDIX B FACTORY PRESET TIMING TABLE ----------------- 17

APPENDIX C CONNECTOR PIN ASSIGNMENT -------------------- 18

Notice:

Please read the following words before assembling and using this monitor.

Any reference to an Lenovo product, program or service is not intended to

state or imply that only Lenovo ’s product, program, or service may be used.

Any functionally equivalent product, program, or service that does not infringe

any of Lenovo’s intellectual property rights or other legally protectable rights

may be used instead of the Lenovo product, program, or service. Evaluation

and verification of operation in conjunction with other products, programs, or

services, except those expressly designated by Lenovo, are the user’s

responsibility.

Lenovo may have patents or pending patent applications covering subject

matter in this document. The furnishing of this document does not give you

any license to these patents.

Information in this document is subject to change without notice.

Without the permission of Lenovo (Beijing) Limited, no part of this manual may

be reproduced or distributed in any form or by any means.

lenovo^®is a lenovo (Beijing) Limited registered trademark.

PRECAUTIONS

z Do not use the monitor near water, e.g. near a bathtub, washbowl, kitchen

sink, laundry tub, swimming pool or in a wet basement.

z Do not place the monitor on an unstable cart, stand, or table. If the monitor

falls, it can injure a person and cause serious damage to the appliance.

Use only a cart or stand recommended by the manufacturer or sold with

the monitor. If you mount the monitor on a wall or shelf, use a mounting kit

approved by the manufacturer and follow the kit instructions.

z Slots and openings in the back and bottom of the cabinet are provided for

ventilation. To ensure reliable operation of the monitor and to protect it

from overheating, be sure these openings are not blocked or covered. Do

not place the monitor on a bed, sofa, rug, or similar surface. Do not place

the monitor near or over a radiator or heat register. Do not place the

monitor in a bookcase or cabinet unless proper ventilation is provided.

z The monitor should be operated only from the type of power source

indicated on the label. If you are not sure of the type of power supplied to

your home, consult your dealer or local power company.

z Cut off the power source during a lightning storm or when it will not be

used for long periods of time. This will protect the monitor from damage

due to power surges.

z Do not overload power strips and extension cords. Overloading can result

in fire or electric shock.

z Never push any object into the slot on the monitor cabinet. It could short

circuit parts causing a fire or electric shock. Never spill liquids on the

monitor.

z Do not attempt to service the monitor yourself, opening or removing covers

can expose you to dangerous voltages and other hazards. Please refer all

servicing to qualified service personnel.

z The wall socket shall be installed near the equipment and shall be easily

accessible.

SPECIAL NOTES ON LCD MONITORS

The following symptoms are normal with LCD monitor and do not indicate a

problem.

NOTES

•

You may find slightly uneven brightness on the screen depending on the

desktop pattern you use.

The LCD screen has effective pixels of 99.99% or more. It may include

blemishes of 0.01% or less such as a missing pixel or a pixel lit all of the

time.

•

Due to the nature of the LCD screen, an afterimage of the previous screen

may remain after switching the image, when the same image is displayed

for hours. In this case, the screen is recovered slowly by changing the

image or turning off the Power for hours.

BEFORE YOU OPERATE THE MONITOR

FEATURES

•

48cm(19”) TFT Color LCD Monitor

Optimal Resolutions is 1440 X 900 @60Hz

•

Low Power Consume & Power Saving Design

Ergonomic Design

Space Saving, Compact Case Design

CHECKING THE CONTENTS OF THE PACKAGE

The product package should include the following items:

1. LCD Monitor

2. Owner's Manual

3. Power cord

4. Signal Cable

5. Multifunctional Box (Include USB Connector，adapter，Power Cord)

CONTROLS AND CONNECTORS

Power cord

Connecting the power cord: Connect one end of the DC cable to back of the

monitor and connect the other end to the computer.

SIGNAL CABLE

Connecting the Signal Cable: Connect one end of the 15-pin D-Sub cable to

the back of the LCD monitor and connect the other end ot the computer’s D-

Sub port.

Figure 1 Connecting Cables

1. Power cord

Signal Cable

ADJUSTING THE VIEWING ANGLE

•

For optimal viewing it is recommended to look at the full face of the

monitor, then adjust the monitor’s angle to your own preference.

Hold the stand so you do not topple the monitor when you change the

monitor’s angle.

•

You can adjust the monitor’s angle from -5° to 20°.

The monoitor has the function of

horizontal circumgyration (Only the

Bottom of Multifunctional Box )

Figure 2

NOTES

•

Do not touch the LCD screen when you change the angle. It may cause

damage or break the LCD screen.

Careful attention is required not to catch your fingers or hands when you

change the angle.

OPERATING INSTRUCTIONS

GENERAL INSTRUCTIONS

Press the power switch to turn the monitor on or off. The other control knobs

are located at right side of the monitor (See Figure 4). By changing these

settings, the picture can be adjusted to your personal preferences.

•

Connect the video cable from the monitor to the video card.

Press the power button to turn on the monitor. The power indicator

will light up.

Figure 3 External Control Button

EXTERNAL CONTROLS

1. Power / Power indicator

3. Multi-Hue function hot key/▼

5. Auto Config / Exit

2. MENU / ENTER

4. Brightness/▲

PANEL CONTROL

• Power:

Press this knob to switch ON/OFF of monitor’s power.

• MENU/ENTER:

Activate OSD menu or function adjusts confirmation.

• LENOVO Multi-Hue Function Hot Key:

Go into Multi-Hue mode.

• Brightness/▲ :

Adjust brightness or function adjustment.

• Auto Config Key / EXIT:

1. When OSD menu is in active status, this knob will act as EXIT-KEY

(EXIT OSD menu).

2. When OSD menu is in off status, press this knob over 1 seconds to be

in Auto Adjustment function.

The Auto Adjustment function is used to set the HPos, VPos, Clock and

Focus automatically.

• Power indicator :

Blue — Power On mode.

Orange — Power Off mode.

NOTES

•

Do not install the monitor in a location near heat sources such as radiators

or air ducts, or in a place subject to direct sunlight, or excessive dust or

mechanical vibration or shock.

•

Save the original shipping carton and packing materials, as they will come

in handy if you ever have to ship your monitor.

For maximum protection, repackage your monitor as it was originally

packed at the factory.

To keep the LCD clean, periodically clean it with a soft cloth. Any kind of

liquids will damage the LCD.

To keep the monitor looking new, periodically clean it with a soft cloth.

Stubborn stains may be removed with a cloth lightly dampened with a mild

detergent solution. Never use strong solvents such as thinner, benzene, or

abrasive cleaners, since these will damage the cabinet. As a safety

precaution, always unplug the monitor before cleaning it.

HOW TO USE OSD

The main menu will be displayed as follows (see figure 4).

If OSD window is in Chinese when power on, press ▲ or ▼ to choose the

next window. Choose the English, then press MENU Key . for confirming.

OSD window will display in English.

1. Press the MENU-Key . to show the OSD window. See figure 5.

2. Press ▲ or ▼ to select the adjusted item, then press the MENU-key

3. Press ▲ or ▼ to change the settings of selected item. Press MENU-key

when desired setting is done.

4. If you want to adjust any other items, repeat steps 2-3.

5. To exit and save the setting, press ▲ or ▼ to the exit item and press

MENU-key , or leave the monitor alone for 10 seconds.

6. When the OSD window is active, it shows the input signal timing.

Figure 4 English OSD Message

ADJUSTING THE PICTURE

The description for function control LEDS

1. BRIGHTNESS & CONTRAST

1.1 BRIGHTNESS

Adjust the picture brightness.

1.2 CONTRAST

Adjust the picture contrast.

2. ADJUST POSITION

2.1 HORIZONTAL POSITION

Adjust the horizontal position of the picture.

2.2 VERTICAL POSITION

Adjust the vertical position of the picture.

3. VIDEO NOISE

3.1 FOCUS

Adjust the picture Focus.

3.2 CLOCK

Adjust the picture Clock.

4. LANGUAGE

Multi-Language selection.

5. OSD TIMER

Choose OSD window display time.

6. COLOR TEMPERATURE

6.1 7800K/6500K (COLOR TEMPERATURE)

The color temperature for 7800K is x=0.296, y=0.311

and 6500K is x=0.313, y=0.329. It presents two

different color sets on the screen. You can select

7800K or 6500K by pressing MENU Key.

6.2 USER MODE (Red / Green/ Blue)

If the 7800K normal white or 6500K warmer white do

not satisfy your desire, properly adjust R .G. B GAIN

controls to obtain your optimum whiteness level.

7. OSD POSITION

7.1 HORIZINTAL OSD

Adjust the horizontal position of the OSD Menu.

7.2 VERTICAL OSD

Adjust the vertical position of the OSD Menu.

8. LENOVO MULTI-HUE Function：

This function allows the selection of different display

color representation modes.

Modes available include: Text, Web & Graphics and

Movie. Text mode is recommended for text editing and

other office applications; Web & Graphics is

recommended for visiting the Internet or browsing

pictures; Movie modei s recommended for watching

video or gaming. To learn more about this function, use

the Multi-Hue display modes and cycle through them to

compare their actual effects.

9. EXIT OSD

Close OSD window.

10. RESET

Press RESET to restore the monitor to factory settings.

Green monitor

•

The monitor has a power saving function that conforms to the VESA

standard. When the computer input no signal, the monitor will enter the

shuts off mode.

The power-saving mode can be indicated by the light-emitting diode (LED)

on the right side:

Signal

Power

Consumption

Mode

Cable

Attached

Picture

Active

Shutdown

Indicator

Blue

Orange

Off

≤ 42 W

≤ 1 W

PLUG AND PLAY

Plug & Play DDC2B Feature

This monitor is equipped with VESA DDC2B capabilities according to the

VESA DDC STANDARD. It allows the monitor to inform the host system of its

identity and, depending on the level of DDC used, communicate additional

information about its display capabilities.

The DDC2B is a bidirectional data channel based on the I²C protocol. The

host can request EDID information over the DDC2B channel.

TECHNICAL SUPPORT (FAQ)

Problem & Question

Power LED is not on

Possible Solution

*Check if the Power Switch is in the ON

position

*Power Cord should be connected

*Check the Power socket.

*Replace new Power Cord.

No picture, the LED indicator is

light up

*The Signal Cable should be completely

connected to the computer.

*If it is orange, then the monitor and the

computer are in dormancy mode. You

need press your keyboard or move the

mouse to reactivate the system.

*If it is blue, please adjust the

brightness and contrast by OSD menu.

*Check that the computer is switched on.

*Check that the signal’s pin are bent or

broke.

Picture is gray

*adjust the brightness and contrast

controls.

Picture bounces or a wave *Move electrical devices that may cause

pattern is present in the picture

electrical interference.

Picture is fuzzy

*19” LCD monitor’s true (physical)

resolution is 1440 x 900. Under the

resolution, it will get the best display.

Missing one of the primary *Inspect the monitor’s video cable and

colors (RED, GREEN, or

BLUE)

make sure that none of the pins are

bent or broke (the pin’s number

reference to figure 6)

Screen image is not centered or *Adjust pixel frequency (CLOCK) and

sized properly.

FOCUS or press hot-key (AUTO).

*Adjust RGB color or select color

temperature

Picture has color defects

(white does not look white)

Poor brightness or contrast

*When the brightness of the screen

lowers after being used for a certain

period and the function of the display is

affected, send it to our authorized

service center for repair.

Horizontal

vertical *Use Win 95/98/2000/ME shutdown mode

disturbancies on the screen

Adjust CLOCK and FOCUS or perform

hot- key (AUTO-key).

CLOCK (pixel frequency) controls the number of pixels scanned by one

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

stripes and the picture has not correct width.

FOCUS adjust the phase of the pixel clock signal. With a wrong phase

adjustment the picture has horizontal disturbances in light picture.

For FOCUS and CLOCK adjustment use Win 95/98/2000/ME shutdown mode

pattern.

ERROR MESSAGE & POSSIBLE SOLUTION

NO SIGNAL INPUT

1. The computer is switched off.

2. The computer is dormancy.

CABLE NOT CONNECTED :

1. Check that the signal-cable is properly connected, If the connector is

loose, tighten the connector’s screws.

2. Check the signal-cable’s connection pins for damage.

INPUT THE RESOLUTION OUT OF THE RANGE:

Your computer has been set to unsuitable display mode, Set the computer to

display mode given in the following table.

APPENDIX A

SPECIFICATIONS

Type

TFT Color LCD

Size

Pixel pitch

Video

48cm(19")

0.285mm( H ) x 0.285mm( V )

R,G,B Analog Interface

LCD Panel

Input

Separate Sync. H/V TTL

H-Frequency

V-Frequency

30kHz - 80kHz

50Hz-75Hz

Display Colors

Dot Clock

16.2M Colors

137MHz

Max. Resolution

Plug & Play

Input Connector

Input Video Signal

1440 x 900

VESA DDC2B^TM

D-Sub 15pin

Analog:0.7Vp-p(standard),

75 OHM, Positive

Horizontal : 410mm

Vertical : 256mm

100~240VAC,50/60Hz

Operating Temp.:

0°C to +40°C (32°F to 104°F)

Storage Temp.:

Maximum Screen Size

Power Source

Environmental

Considerations

-20°C to 60°C (-4°F to 140°F)

Operating Humidity :

10% to 85%

Weight (N. W.)

6.95kg

Power Consumption

Regulatory Compliance

42 Watts

CCC；FCC Doc；CE；TUV-GS；

CB；TCO’99

APPENDIX B

FACTORY PRESET TIMING TABLE

HORIZONTAL

FREQUENCY

VERTICAL

FREQUENCY

RESOLUTION

720 × 400

STANDARD

31.47kHz

70.0Hz

60.0Hz

75.0Hz

60.0Hz

75.0Hz

60.0Hz

70.0Hz

75.0Hz

60.0Hz

75.0Hz

59.8Hz

74.98Hz

Dos-mode

VGA

640 × 480

37.50kHz

SVGA

XGA

800 × 600

37.879kHz

46.875kHz

48.363kHz

56.476kHz

60.021kHz

64.000kHz

80.000kHz

55.935kHz

70.635kHz

800 × 600

1024 × 768

1280 × 1024

1440 × 900

SXGA

WXGA+

APPENDIX C

CONNECTOR PIN ASSIGNMENT

Figure 6 15 - Pin Color Display Signal Cable

PIN NO.

DESCRIPTION

PIN NO.

DESCRIPTION

+5V

Logic Ground

Ground

DDC-Serial Data

H-Sync

V-Sync

Red

Green

Blue

Ground

R-Ground

G-Ground

B-Ground

10.

11.

12.

13.

14.

15.

SCL

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