Lenovo LXH GJ769F4 User Manual

Table of Contents  
Certifications……………………………………………………………..  
Warning and Caution……………………………………………………  
Installation of Monitor……………………………………………………  
Using OSD…..…………………………………………………………...  
Green and P&P………………………………………………………….  
Trouble shooting…………………………………………………………  
Appendix A—Specifications…………………………………………….  
Appendix B—Factory mode……………………………………………  
Appendix C—Pin assignment………………………………………….  
Appendix D—Dimension……………………………………………….  
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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.  
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Notice:  
1. The changes or modifications not expressly approved by the party responsible for  
compliance could void the user's authority to operate the equipment.  
2. The manufacturer is not responsible for any radio or TV interference caused by  
unauthorized modification to this equipment. It is the responsibilities of the user to correct  
such interference.  
WARNING AND CAUTION  
1STOP OPERATING THE MONITOR WHEN YOU SENSE TROUBLE。  
Please unplug the monitor immediately if you notice any abnormal phenomena such as  
smoke, strange sounds or fumes. Further use may be dangerous and can cause fire or  
electric shock.  
2NEVER REMOVE THE CABINET  
High voltage inside the monitor, may be electric shocked if removing cabinet.  
Non-professor never remove the cabinet.  
3DO NOT PUT ANY OBJECT INTO THE MONITOR。  
The ventholes of the monitor is to sink thermal. If blocked or covered, monitor maybe  
damage because of overheating. Using the monitor with any object inside may cause fire,  
electric shock or damage.  
4DO NOT PLACE THE MONITOR NEAR THE WATER  
The monitor maybe damage if water is inside. Do not use the monitor where water may be  
splashed or spilt on the monitor as it may cause fire or electric shock.  
5PROTECT YOUR POWER CORD AND SIGNAL CABLE  
Do not pull or bend the power cord and signal cable. Do not place the monitor or any other  
heavy objects on the cables. If damaged, the cables may cause fire or electric shock.  
6NOTICE THE WEATHER  
Do not use monitor immediately if brought it into the warm house from cold environment.  
Coagulate bead may cause the monitor short circuit and damage. Before operating the  
device, wait until it is absolutely dry.  
Unplug the monitor while thunder!  
7PLACE THE MONITOR AT THE RIGHT PLACE  
Do not place the monitor near heating source, against a bright background or duct position.  
Do not make it near other electronics, such as speaks, TV. There should be more than 50  
cm between two monitors. The position should be ventilation, and bright could not reach  
the front, side, back of the monitor straight.  
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8CLEANING YOUR MONITOR  
Do not use alcohol, ammonia based liquid, benzene, or corrosive cleanser to clean the  
monitor, they may damage the cabinet or CRT’s surface. You may use soft, clouding cloth  
to clean the monitor careful. Notice, you must unplug the monitor before cleaning it.  
9CARING YOUR MONITOR  
Unplug the monitor when not use it for a long time. You should take the cables in hands  
when lifting the monitor, or you may trip up by them and dropped the monitor.  
PACKAGE  
There should be the following objects in the package:  
1Monitor  
2Pedestal  
3User Manual  
4Power Cord  
INSTALLATION OF MONITOR  
PEDESTAL  
Unplug the monitor and do like the following steps:  
1. Carefully turn the monitor on its side or upside down.  
2. Locate the cavities at the bottom front of the monitor.  
3. Insert the pegs on the pedestal into these cavities. Push the pedestal forward until the  
pedestal locks in place.  
4. To remove the pedestal, hold the bottom of the pedestal, then push it out.  
Install  
Remove  
Figure 1. Installation and Removing of Pedestal  
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POWER CORD:  
1. The monitor may work at 100---120VAC or 200---240V AC area. (No user adjustment is  
required.)  
2. Connect the power cord into your monitor’s power input socket, and then plug the other  
end into a 3-pin AC power outlet.  
Connecting the Video Cable: the 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. (See figure 2)  
Caution: Don’t bend the signal cable, otherwise it will break the inner wire.  
Connecting the Power CordPlug the power cord into the monitor’s AC power socket. Then  
plug the power cord into a grounded AC outlet.  
CautionIf the AC outlet is not grounded, install the proper grounding adapter (not supplied).  
Figure 2. Connecting signal cable  
1.  
Power Cord  
2.  
Signal Cable  
Please keep your user manual, monitor packages on a safety place for further  
using.  
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SETUP  
General Instructions  
The power switch and other control knobs are located at front panel of the monitor (See Figure  
3). Press the power switch to turn the monitor on or off. By changing other control knobs  
settings, the picture can be adjusted to your personal preferences.  
The power cord should be connected.  
Connect the video cable from the monitor to the video card.  
To turn the monitor on, press the POWER switch to ON position. The power indicator will  
light up.  
Your monitor features a unique quick switch system which provides a picture within seconds  
after the monitor is switched on.  
Figure  
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EXTERNAL CONTROLS  
1.  
2.  
3.  
4.  
5.  
6.  
Power / Power Indicator  
OSD Menu  
Contrast  
Brightness  
Exit  
Bright Mode Selection Key  
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Front Panel Control  
POWER / Power Indicator: Press this knob to switch ON/OFF of monitor’s power and  
display the monitor’s state.  
Green  
Power On mode.  
Off mode.  
Orange  
MENU : Active OSD menu or function adjust confirm.  
CONTRAST  
/
: Adjust contrast or function adjust.  
BRIGHTNESS  
/
: Adjust brightness or function adjust.  
EXIT : Exit a function or inactive OSD menu, If OSD not shown on the screen, Press this  
knob to display the monitor’s state.  
BRIGHT MODE SELECTION KEYPress this key, the menu will be displayed as follows,  
OSD bright mode selection menu is shown in Figure 4, and you can select languages in  
the LANGUAGE sub-menu to switch between Chinese and English. Under non-OSD,  
press bright mode Selection key to set the current brightness mode: the default setting is  
Text mode. When this menu is displayed, press bright mode selection key to switch into  
Text, Internet and Video modes. In the case of not pressing the MENU, this high bright  
mode menu will disappear in 5 seconds automatically.  
Text  
Internet  
Video  
Figure 4 English OSD High bright Mode  
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How to adjust a setting  
The monitor controls are accessed by pressing button MENU to enable OSD  
(On-Screen-Display). The main menu will be displayed as follows (see figure 5), press the  
or  
to choose the next window. Choose the English, then press MENU Key for  
confirming. OSD window will display in English.  
68K 85Hz  
1024X768  
Figure 5 English OSD Message  
Adjusting the picture  
The description for functional control icons  
1.  
SIZE & POSITION  
1.1 HORIZONTAL POSITION  
Adjust the horizontal position of the picture.  
1.2 VERTICAL POSITION  
Adjust the vertical position of the picture.  
1.3 HORIZONTAL SIZE  
Adjust the picture’s horizontal size.  
1.4 VERTICAL SIZE  
Adjust the picture’s vertical size.  
1.5 ZOOM  
Adjust the picture’s horizontal and vertical size simultaneously.  
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2.  
GEOMETRY  
2.1 ROTATION  
Adjust the picture tilt to horizontal position.  
2.2 PINCUSHION  
Adjust the pincushion and barrel.  
2.3 BALANCED PINCUSHION  
Adjust to compensate the pincushion unbalance.  
2.4 TRAPEZOID  
Adjust the picture’s trapezoid distortion.  
2.5 PARALLELOGRAM  
Adjust the picture to be a rectangle.  
MOIRE  
3.  
Moire is the result of interference between the phosphor layout and the video signal.  
In some cases, you may find the moire very noticeable. Press the MENU to enter in  
the moire reduce setting. Please adjust the level to the optimum condition. Note: Too  
high of a setting will cause the picture to shake.  
4.  
5.  
LANGUAGE  
Select the language as you like.  
OSD TIMER  
Choose OSD window display time.  
6.  
7.  
DEGAUSS  
If color impurity occurs when moving or swiveling the monitor, press MENU Key and  
degauss to fix the picture condition.  
COLOR TEMPERATURE  
7.1 6500K/9300K ( COLOR TEMPERATURE)  
The color temperature for 6500K is x=0.313, y=0.329 and 9300K is x=0.283,  
y=0.297. It presents two different color sets on the screen. You can select 9300K  
or 6500K by pressing MENU Key.  
7.2 USER MODE ( Red / Green/ Blue  
)
If the 9300K normal white or 6500K warmer white do not satisfy your desire,  
properly adjust R .G. B GAIN controls to obtain your optimum whiteness level.  
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SUPER BRIGHTNESS QUALITY  
Shift the function of Super Brightness Quality  
EXIT OSD:  
9.  
Close OSD window.  
10.  
RESET:  
Press RESET to restore the monitor to factory settings.  
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Green monitor  
The monitor has a power saving function that conforms to the VESA DPMS standardThis  
feature will maximize to decrease power consumption of the monitor.  
Power saving will be found via indicator:  
Signal  
H-Sync  
Yes  
Power  
Consumption  
< 75W  
2W  
Mode  
On  
Off mode  
Signal  
Attached  
Attached  
V-Sync  
Yes  
No  
Video  
Active  
Blank  
Indicator  
Green  
Orange  
No  
<
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 bi-directional data channel based on the I²C protocol. The host can request  
EDID information over the DDC2B channel.  
TROUBLE SHOOTING  
1No Video / LED Off ( Power Off )  
Check monitor is for turning on or turning off.  
Check power cord connecting the outlet right.  
Check electrical outlet.  
Change power cord.  
2No Video / LED On:  
If the monitor was on power saving mode and now the indicator(LED) is orange. Please move  
mouse and back to normal mode.  
Check signal cable connecting the display adapter tightly.  
Increase brightness and contrast via OSD.  
Check computer is turning on.  
The signal cable for bent or broken pins.  
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3Poor Focus  
Do not place signal cable between monitor and computer.  
Verify the current mode is primary mode or not with user manual.  
Adjust OSD to decrease the value of item “ moire ”.  
Perform degauss.  
Decrease brightness and contrast.  
Decrease video resolution.  
4Shaky / Jittery Video  
Set the computer to primary mode.  
Check the signal cable for bent or broken pins.  
If connecting UPS, removing UPS and plug monitor to wall outlet.  
Away from the speakers, fans, neon lights, fluorescent lights.  
5Color Purity  
Perform degauss  
Far away from electromagnetic devices. Such as speakers, radios, fans, timers 3 feet away at  
least.  
Rotate the monitor.  
If the color purity spots change position while rotating the monitor, the environment cause the  
problem, or the problem is with CRT.  
6Color Convergence  
Perform degauss.  
Change monitor’s orientation and position.  
Active OSD, if it looks like normal. It shows that the monitor need to back to factory and adjust,  
or the problem come from video card.  
7Missing Color /Color Flood  
It is absence of one of the three basic colors, red, green, blue. The screen is either purple, cyan,  
or yellow. If it is absence of two , then the screen is one color last.  
Adjust OSD to color temperature 9300K.  
Check signal cable for bent or broken pins.  
8Missing Pixels  
It shows some dots always dark, bright, or abnormal color what ever the video.  
It should be CRT problem / CRT blemish if these dots is on the same position for ever, or  
display adapter cause it.  
One trio blemish is acceptable for general.  
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9Brightness  
It indicates too bright or dim.  
Adjust brightness.  
If OSD has the same problem, it indicates the monitor cause it, or the problem come from  
display adapter.  
Check signal cable for bent or broken pins.  
10Geometric distortion  
Geometric distortion refers to where the shape of the image is distorted in any way, such as  
trapezoid, linearity, line straightness, tilt, pincushion, picture size and centering etc.  
Check signal cable for bent or broken pins.  
Adjust OSD to fix it.  
Check the environment, and be far away from the electromagnetic devices.  
Rotate monitor.  
11Moire ( Thin Curvy Lines )  
Moire is a wavy effect produced by the convergence of lines. A moire pattern is natural optical  
effect when converging lines in the picture are nearly parallel to the scanning lines.  
Check signal cable for bent or broken pins.  
Increase V_MOIRE value in the OSD.  
Adjust picture size to fill the screen to viewing satisfaction.  
Note: Some picture could cause moire, and it is difficult to avoid it .  
12Audible Noise  
In general, monitor should not make sounds while on. They may make some sounds when  
power cycling on or off(degauss cause it).  
13CRT Scratched  
Scratched CRT are defined as having the scratch into glass faceplate and where cleaning the  
CRT does not remove the scratch.  
Power off the monitor you will found them easily.  
Note: prevent belt, badges, buttons from scratching the CRT while lifting.  
14Important trouble  
If you notice the monitor smoking, sparking, or current leakage, right now unplug the monitor  
and take to repair.  
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APPENDIX A – SPECIFICATIONS  
CRT  
43cm / 17" ( 40cm/16.0” viewing ) High and bright angle of  
pure flat surface, 0.25mm dot pitch, non-glare, anti-static,  
anti-reflection coating  
Video  
Sync.  
Analog R, G, B 0.7Vpp positive/75 ohm  
Horizontal sync. : Positive/Negative  
Vertical sync. : Positive/Negative  
Synchronization  
Horizontal  
Vertical  
Max. Resolution  
30kHz to 69kHz automatically  
50Hz to 130Hz automatically  
1280 × 1024  
Recommended Res.  
Full screen brightness  
Small window brightness  
Video dot rate  
1024*768@85Hz  
130 cd/m² Max  
300 cd/m² Max  
110MHz  
Factory Preset Timings :  
User mode Timings :  
Power Source  
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Switching mode power supply  
AC 100-240V, 50Hz/60Hz full range  
0°C to 40°C ambient  
10% to 90% relative, non-condensing  
15.2kg(Net)  
Operating  
Humidity  
Weight  
Signal Cable  
Plug & Play  
15 pin mini D-Sub  
DDC2B  
Power management  
Power consumption  
Preset display area  
Regulations  
VESA DPMS  
Under 75Watts  
316mm × 236mm  
UL, FCC, MPR II, CCC  
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APPENDIX B - FACTORY PRESET TIMING TABLE  
HORIZONTAL  
FREQUENCY  
VERTICAL  
FREQUENCY  
STANDARD  
Dos-Mode  
VGA  
RESOLUTION  
720 × 400  
640 × 480  
640 × 480  
640 × 480  
800 × 600  
800 × 600  
1024 × 768  
1024 × 768  
1280 × 1024  
31.5kHz  
31.5kHz  
37.5kHz  
43.3kHz  
46.8kHz  
53.6kHz  
60.0kHz  
68.7kHz  
64.0kHz  
70Hz  
60Hz  
75Hz  
85Hz  
75Hz  
85Hz  
75Hz  
85Hz  
60Hz  
VESA/75  
VESA/85  
VESA/75  
VESA/85  
VESA/75  
VESA/85  
VESA/60  
APPENDIX C - Pin Assignment D-SUB  
PIN  
INPUT  
PIN  
OUTPUT  
RED  
GREEN  
BLUE  
NO CONNECT  
GROUND  
RED GROUND  
GREEN  
GROUND  
NO CONNECT  
GROUND  
NO CONNECT  
DDC SDA  
H-SYNC  
V-SYNC  
1
2
3
4
5
6
7
9
10  
11  
12  
13  
14  
15  
DDC CLOCK  
BLUE GROUND  
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APPENDIX D - MONITOR DIMENSION  
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