Lenovo Computer Monitor LXH GJ17L3 User Manual
Contents  
CERTIFICATIONS --------------------------------------------------------------------  
NOTICE ----------------------------------------------------------------------------------  
PRECAUTIONS ----------------------------------------------------------------  
SPECIAL NOTES ON LCD MONITORS ---------------------------------  
2
2
3
4
BEFORE YOU OPERATE THE MONITOR -------------------------------------  
FEATURES ----------------------------------------------------------------------  
PACKING LIST -----------------------------------------------------------------  
INSTALLATION INSTRUCTIONS------------------------------------------  
CONTROLS AND CONNECTORS ----------------------------------------  
ADJUSTING THE VIEWING ANGLE -------------------------------------  
4
4
4
5
6
7
OPERATING INSTRUCTIONS -----------------------------------------------------  
GENERAL INSTRUCTIONS ------------------------------------------------  
8
8
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.  
1
 
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.  
3
 
 
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  
•
•
•
•
•
43.2cm(17”) TFT Color LCD Monitor  
Optimal Resolutions is 1280 X 1024@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. Monitor’s Base  
3. Owner's Manual  
4. Adapter  
5. Power cord  
4
 
       
INSTALLATION INSTRUCTIONS  
SWIVEL BASE  
Install  
Remove  
Figure 1 Installing and Removing the Swivel Base  
1. During installation, place the display base the right-way up on a flat surface.  
Place upper part of the display slowly on to the base and wait for the click  
signifying that it is completely in place. Securely fasten the screw with  
hands or tools then secure the screws on the bottom with a screwdriver.  
2. When removing the rotating base, please place the monitor upside down  
taking care not to damage the LCD surface. Manually unscrew the screws  
then remove the display’s lower base.  
Power Source:  
1. Adapter use 12V DC, 4.16A.  
2. Power cord user the power supply(90V-264V AC Voltage)  
5
 
 
CONTROLS AND CONNECTORS  
Adapter  
Connecting the adapter: Connect one end of the adapter to back of the  
monitor and connect the other end to the power cord.  
Power cord  
Connecting the power cord: Connect one end of the power cord to the AC  
adapter and connect the other end to the power supply (90V-264V AC  
Voltage).  
SIGNAL CABLE  
Connecting the Signal Cable: the LCD monitor comes with a built-in video  
cable. Plug the signal cable′s 15-pin connector into the computer's video port  
and tighten the two screws on the cable connector.  
1
2
Figure 2 Connecting Cables  
1. AC Adapter & Power cord  
2.  
Signal Cable  
6
 
 
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 are able to adjust the monitor’s angle from -5° to 20°.  
°
20  
°
-5  
Figure 3  
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.  
7
 
 
OPERATING INSTRUCTIONS  
GENERAL INSTRUCTIONS  
Press the power switch to turn the monitor on or off. The other control knobs  
are located at front panel of the monitor (See Figure 4). By changing these  
settings, the picture can be adjusted to your personal preferences.  
Figure 4 External Control Button  
EXTERNAL CONTROLS  
1.  
▲/ Brightness  
2.  
4.  
Auto Config / Exit  
3. ▼/ Contrast  
MENU / ENTER  
5. Power / Power indicator  
8
 
   
FRONT PANEL CONTROL  
• Power / Power indicator :  
Press this knob to switch ON/OFF of monitor’s power. and display the  
monitor’s state.  
Blue — Power On mode.  
Orange — Power Off mode.  
• MENU/ENTER /  
Activate OSD menu or function adjusts confirmation.  
• Contrast / ▼:  
Adjust contrast or function adjustment.  
• 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.  
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.  
9
 
HOW TO USE OSD  
The main menu will be displayed as follows (see figure 5). 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 2-4.  
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 5 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  
10  
 
   
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. EXIT OSD  
Close OSD window.  
9. RESET  
Press RESET to restore the monitor to factory settings.  
11  
 
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 front panel:  
Signal  
Power  
Consumption  
Mode  
Cable  
Attached  
Attached  
Picture  
Active  
None  
Indicator  
Blue  
Orange  
Orange  
On  
Off  
Off  
≤ 42 W  
≤ 2 W  
≤ 2 W  
No attached  
None  
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.  
12  
 
   
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  
*17” LCD monitor’s true (physical)  
resolution is 1280 x 1024. 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)  
13  
 
 
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 or vertical disturbancies *Use Win 95/98/2000/ME shutdown  
on the screen  
mode 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.  
14  
 
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.  
15  
 
 
APPENDIX A  
SPECIFICATIONS  
Type  
TFT Color LCD  
Size  
Pixel pitch  
Video  
43.2cm(17")  
0.264mm( H ) x 0.264mm( 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  
135MHz  
Max. Resolution  
Plug & Play  
Input Connector  
Input Video Signal  
1280 x 1024  
VESA DDC2BTM  
D-Sub 15pin  
Analog:0.7Vp-p(standard),  
75 OHM, Positive  
Horizontal : 337.92mm  
Vertical : 270.34mm  
12V DC, 3.5A  
Operating Temp.:  
0°C to +40°C (32°F to 104°F)  
Storage Temp.:  
-20°C to 60°C (-4°F to 140°F)  
Operating Humidity :  
10% to 85%  
Maximum Screen Size  
Power Source  
Environmental  
Considerations  
Weight (N. W.)  
4.5kg  
Power Consumption  
Regulatory Compliance  
42 Watts  
CCC,TCO’95  
16  
 
 
APPENDIX B  
FACTORY PRESET TIMING TABLE  
HORIZONTAL  
FREQUENCY  
VERTICAL  
FREQUENCY  
RESOLUTION  
720 × 400  
STANDARD  
Dos-modo  
31.47kHz  
70Hz  
640 × 480  
31.47kHz  
60Hz  
VGA  
640 × 480  
640 × 480  
800 × 600  
800 × 600  
800 × 600  
37.861kHz  
37.50kHz  
72Hz  
75Hz  
60Hz  
72Hz  
75Hz  
37.879kHz  
48.077kHz  
46.875kHz  
SVGA  
1024 × 768  
48.363kHz  
60Hz  
XGA  
1024 × 768  
1024 × 768  
1280 × 1024  
1280 × 1024  
56.476kHz  
60.02kHz  
64.000kHz  
80.000kHz  
70Hz  
75Hz  
60Hz  
75Hz  
SXGA  
17  
 
 
APPENDIX C  
CONNECTOR PIN ASSIGNMENT  
1
6
5
10  
15  
11  
Figure 6 15 - Pin Color Display Signal Cable  
PIN NO.  
DESCRIPTION  
PIN NO.  
DESCRIPTION  
+5V  
Ground  
Ground  
DDC-Serial Data  
H-Sync  
V-Sync  
1.  
2.  
3.  
4.  
5.  
6.  
7.  
8.  
Red  
Green  
Blue  
Ground  
Ground  
R-Ground  
G-Ground  
B-Ground  
9.  
10.  
11.  
12.  
13.  
14.  
15.  
DDC-Serial Clock  
18  
 
 

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