Acer Monitor ET WS0HP A01 User Manual

Acer LCD M onitor  
User Guide  
Information for your safety and  
comfort  
Safety instructions  
Read these instructions carefully. Keep this document for future reference. Follow all  
warnings and instructions marked on the product.  
Special notes on LCD monitors  
The following are normal with the LCD monitor and do not indicate a problem.  
Due to the nature of the fluorescent light, the screen may flicker during initial  
use. Turn off the power switch and then turn it on again to make sure the flicker  
disappears.  
You may find slightly uneven brightness on the screen depending on the desktop  
pattern you use.  
The LCD screen has 99.99% or more effective pixels. It may include blemishes of  
0.01% or less such as a missing pixel or pixel lit all 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  
switch for a few hours.  
Cleaning your monitor  
Please carefully follow these guidelines when cleaning the monitor:  
Always unplug the monitor before cleaning.  
Use a soft cloth to wipe the screen and cabinet front and sides.  
iii  
 
Accessibility  
Be sure that the power outlet you plug the power cord into is easily accessible and  
located as close to the equipment operator as possible. W hen you need to disconnect  
power from the equipment, be sure to unplug the power cord from the electrical outlet.  
Safe listening  
To protect your hearing, follow these instructions.  
Gradually increase the volume until you can hear it clearly and comfortably and  
without distortion.  
After setting the volume level, do not increase it after your ears have adjusted.  
Limit the amount of time listening to music at high volume.  
Avoid turning up the volume to block out noisy surroundings.  
Turn the volume down if you can’t hear people speaking near you.  
Warnings  
Do not use this product near water.  
Do not place this product on an unstable cart, stand or table. If the product falls, it  
could be seriously damaged.  
Slots and openings are provided for ventilation to ensure reliable operation of the  
product and to protect it from overheating. These openings must not be blocked  
or covered. The openings should never be blocked by placing the product on a bed,  
sofa, rug or other similar surface. This product should never be placed near or over  
a radiator or heat register, or in a built-in installation unless proper ventilation is  
provided.  
Never push objects of any kind into this product through cabinet slots as they may  
touch dangerous voltage points or short-out parts that could result in a fire or  
electric shock. Never spill liquid of any kind onto or into the product.  
To avoid damage of internal components and to prevent battery leakage, do not  
place the product on a vibrating surface.  
Never use it under sporting, exercising, or any vibrating environment which will  
probably cause unexpected short current or damage internal devices.  
The adapter is only used for this monitor, do not be used for other purposes.  
Your device uses one of the following power supplies:  
M anufacture : Hipro Electronics Co.,Ltd. M odel:HP-A0301R3 (S220HQL M odel)  
M anufacture : Delta Electronics Inc., M odel: ADP-30M H B (S220HQL M odel)  
M anufacture : Delta Electronics Inc., M odel: ADP-40PH BB (S230HL M odel)  
Using electrical power  
This product should be operated from the type of power indicated on the marking  
label. If you are not sure of the type of power available, consult your dealer or local  
power company.  
iv  
 
Do not allow anything to rest on the power cord. Do not locate this product where  
people will walk on the cord.  
If an extension cord is used with this product, make sure that the total ampere rating  
of the equipment plugged into the extension cord does not exceed the extension  
cord ampere rating. Also, make sure that the total rating of all products plugged into  
the wall outlet does not exceed the fuse rating.  
Do not overload a power outlet, strip or receptacle by plugging in too many devices.  
The overall system load must not exceed 80% of the branch circuit rating. If power  
strips are used, the load should not exceed 80% of the power strip’s input rating.  
This products power cord is equipped with a three-wire grounded plug. The plug  
only fits in a grounded power outlet. M ake sure the power outlet is properly  
grounded before inserting the power cord plug. Do not insert the plug into a non-  
grounded power outlet. Contact your electrician for details.  
Warning! The grounding pin is a safety feature. Using a power  
outlet that is not properly grounded may result in electric  
shock and/or injury.  
Note: The grounding pin also provides good protection from  
unexpected noise produced by other nearby electrical devices that  
may interfere with the performance of this product.  
Use the product only with the supplied power supply cord set. If you need to  
replace the power cord set, make sure that the new power cord meets the following  
requirements: detachable type, UL listed/CSA certified, type SPT-2, rated 7 A 125 V  
minimum, VDE approved or its equivalent, 4.6 meters (15 feet) maximum length.  
Product servicing  
Do not attempt to service this product yourself, as opening or removing covers may  
expose you to dangerous voltage points or other risks. Refer all servicing to qualified  
service personnel.  
Unplug this product from the wall outlet and refer servicing to qualified service  
personnel when:  
the power cord or plug is damaged, cut or frayed  
liquid was spilled into the product  
the product was exposed to rain or water  
the product has been dropped or the case has been damaged  
the product exhibits a distinct change in performance, indicating a need for service  
the product does not operate normally after following the operating instructions  
v
 
Note: Adjust only those controls that are covered by the operating  
instructions, since improper adjustment of other controls may result  
in damage and will often require extensive work by a qualified  
technician to restore the product to normal condition.  
Potentially explosive environments  
Switch off your device in any area with a potentially explosive atmosphere and obey all  
signs and instructions. Potentially explosive atmospheres include areas where you would  
normally be advised to turn off your vehicle engine. Sparks in such areas could cause  
an explosion or fire resulting in bodily injury or even death. Switch off the device near  
gas pumps at service stations. Observe restrictions on the use of radio equipment in fuel  
depots, storage and distribution areas; chemical plants; or where blasting operations are  
in progress. Areas with a potentially explosive atmosphere are often, but not always,  
marked. They include below deck on boats, chemical transfer or storage facilities,  
vehicles using liquefied petroleum gas (such as propane or butane), and areas where the  
air contains chemicals or particles such as grain, dust or metal powders.  
Additional safety information  
Your device and its enhancements may contain small parts. Keep them out of the reach  
of small children.  
IT Equipment Recycling Information  
Acer is strongly committed to environmental protection and views recycling, in the form  
of salvaging and disposal of used equipment, as one of the companys top priorities in  
minimizing the burden placed on the environment.  
We at Acer are very conscious of the environmental effects of our business and strive to  
identify and provide the best working procedures to reduce the environmental impact  
of our products.  
For more information and help when recycling, please go to this website:  
other products.  
Disposal instructions  
Do not throw this electronic device into the trash when discarding.  
To minimize pollution and ensure utmost protection of the global  
environment, please recycle. For more information on the Waste  
from Electrical and Electronics Equipment (W EEE) regulations, visit  
vi  
 
LCD pixel statement  
The LCD unit is produced with high-precision manufacturing techniques. Nevertheless,  
some pixels may occasionally misfire or appear as black or red dots. This has no effect on  
the recorded image and does not constitute a malfunction.  
This product has been shipped enabled for power management:  
Activate display’s Sleep mode within 15 minutes of user inactivity.  
Activate computers Sleep mode within 30 minutes of user inactivity.  
Wake the computer from Sleep mode by pushing the power button.  
Tips and information for comfortable use  
Computer users may complain of eyestrain and headaches after prolonged use. Users are  
also at risk of physical injury after long hours of working in front of a computer. Long  
work periods, bad posture, poor work habits, stress, inadequate working conditions,  
personal health and other factors greatly increase the risk of physical injury.  
Incorrect computer usage may lead to carpal tunnel syndrome, tendonitis, tenosynovitis  
or other musculoskeletal disorders. The following symptoms may appear in the hands,  
wrists, arms, shoulders, neck or back:  
numbness, or a burning or tingling sensation  
aching, soreness or tenderness  
pain, swelling or throbbing  
stiffness or tightness  
coldness or weakness  
If you have these symptoms, or any other recurring or persistent discomfort and/or pain  
related to computer use, consult a physician immediately and inform your companys  
health and safety department.  
The following section provides tips for more comfortable computer use.  
Finding your comfort zone  
Find your comfort zone by adjusting the viewing angle of the monitor, using a footrest,  
or raising your sitting height to achieve maximum comfort. Observe the following tips:  
refrain from staying too long in one fixed posture  
avoid slouching forward and/or leaning backward  
stand up and walk around regularly to remove the strain on your leg muscles  
vii  
 
Taking care of your vision  
Long viewing hours, wearing incorrect glasses or contact lenses, glare, excessive room  
lighting, poorly focused screens, very small typefaces and low-contrast displays could  
stress your eyes. The following sections provide suggestions on how to reduce eyestrain.  
Eyes  
Rest your eyes frequently.  
Give your eyes regular breaks by looking away from the monitor and focusing on a  
distant point.  
Blink frequently to keep your eyes from drying out.  
Display  
Keep your display clean.  
Keep your head at a higher level than the top edge of the display so your eyes point  
downward when looking at the middle of the display.  
Adjust the display brightness and/or contrast to a comfortable level for enhanced  
text readability and graphics clarity.  
Eliminate glare and reflections by:  
placing your display in such a way that the side faces the window or any light  
source  
minimizing room light by using drapes, shades or blinds  
using a task light  
changing the display’s viewing angle  
using a glare-reduction filter  
using a display visor, such as a piece of cardboard extended from the display’s top  
front edge  
Avoid adjusting your display to an awkward viewing angle.  
Avoid looking at bright light sources, such as open windows, for extended periods of  
time.  
Developing good work habits  
Develop the following work habits to make your computer use more relaxing and  
productive:  
Take short breaks regularly and often.  
Perform some stretching exercises.  
Breathe fresh air as often as possible.  
Exercise regularly and maintain a healthy body.  
viii  
 
Acer Incorporated  
8F, 88, Sec. 1, Hsin Tai Wu Rd., Hsichih  
Taipei Hsien 221, Taiwan  
Tel : 886-2-2696-1234  
Fax : 886-2-2696-3535  
Declaration of Conformity  
Acer Incorporated  
We,  
8F, 88, Sec. 1, Hsin Tai Wu Rd., Hsichih, Taipei Hsien 221, Taiwan  
Contact Person: Mr. Easy Lai, E-mail: [email protected]  
And,  
Acer Italy s.r.l  
Via Lepetit, 40, 20020 Lainate (MI) Italy  
Tel: +39-02-939-921 ,Fax: +39-02 9399-2913  
Hereby declare that:  
Product:  
LCD Monitor  
Trade Name:  
Model Number:  
SKU Number:  
Acer  
S220HQL; S230HL  
S220HQL xxxxxx ; S230HL xxxxxx  
(“x” = 0~9, a ~ z, A ~ Z, or blank)  
Is compliant with the essential requirements and other relevant provisions of the following EC directives,  
and that all the necessary steps have been taken and are in force to assure that production units of the  
same product will continue comply with the requirements.  
EMC Directive 2004/108/EC as attested by conformity with the following harmonized  
standards:  
-. EN55022, AS/NZS CISPR22 Class B.  
-. EN55024  
-. EN61000-3-2, Class D  
-. EN61000-3-3  
Low Voltage Directive 2006/95/EC as attested by conformity with the following  
harmonized standard:  
-. EN60950-1  
RoHS Directive 2002/95/EC on the Restriction of the Use of certain Hazardous Substances  
in Electrical and Electronic Equipment:  
-. The maximum concentration values of the restricted substances by weight in homogenous material are:  
Lead  
0.1% Polybrominated Biphenyls (PBB’s)  
0.1% Polybrominated Diphenyl Ethers (PBDE’s) 0.1%  
0.01%  
0.1%  
Mercury  
Hexavalent Chromium 0.1% Cadmium  
Directive 2009/125/EC with regard to establishing a framework for the setting of  
ecodesign requirements for energy-related product.  
Year to begin affixing CE marking 2011.  
Jan. 28, 2011  
Easy Lai /Manager  
Date  
Regulation, Acer Inc.  
ix  
 
Acer America Corporation  
333 West San Carlos St., San Jose  
CA 95110, U. S. A.  
Tel : 254-298-4000  
Fax : 254-298-4147  
Federal Communications Commission  
Declaration of Conformity  
This device complies with Part 15 of the FCC Rules. Operation is subject to the  
following two conditions: (1) this device may not cause harmful interference, and  
(2) this device must accept any interference received, including interference that  
may cause undesired operation.  
The following local Manufacturer /Importer is responsible for this declaration:  
Product:  
LCD Monitor  
Model Number:  
SKU Number:  
S220HQL ; S230HL  
S220HQL xxxxxx ; S230HL xxxxxx  
(“x” = 0~9, a ~ z, A ~ Z or Blank)  
Name of Responsible Party:  
Address of Responsible Party:  
Acer America Corporation  
333 West San Carlos St.  
San Jose, CA 95110  
U. S. A.  
Contact Person:  
Phone No.:  
Fax No.:  
Acer Representative  
254-298-4000  
254-298-4147  
x
 
Unpacking  
Please check that the following items are present when you unpack the box, and save  
the packing materials in case you need to ship or transport the monitor in the future.  
LCD monitor  
User guide  
Quick start guide  
HDM I cable  
(Optional)  
D-sub cable  
AC Power cord  
DVI cable  
(Optional)  
AC Adapter  
1
 
Attaching the base (for selected models)  
Note: Remove the monitor and monitor base from its packaging.  
Carefully place the monitor face-down on a stable surface -- use a  
cloth to avoid scratching the screen.  
1
2
Attach the monitor stand arm to the base.  
Ensure that the base is locked onto the monitor stand arm.  
Secure the base to the monitor stand arm by turning the white screw using the  
integrated tab or a suitable coin. (for selected models)  
Note: Take care when performing the installation to avoid injuring  
yourself.  
2
 
5
Screen position adjustment  
To optimize the viewing position, you can adjust the  
monitor tilt, using both of your hands to hold the edges  
of the monitor. The monitor can be adjusted to 15  
degrees up or 5 degrees down.  
Connecting the adapter and AC Power cord  
Check first to make sure that the power cord you use is the correct type required for  
your area.  
The monitor has a universal power supply that allows operation in either 100/120 V  
AC or 220/240 V AC voltage area. No user-adjustment is required.  
Plug one end of the AC power cord to the Adapter, and plug the other end into an  
AC outlet.  
For units using 120 V AC:  
Use a UL-listed cord set, type SVT wire and plug rated 10 A/125 V.  
For units using 220/240 V AC:  
Use a cord set consisting of H05VV-F cord and plug rated 10 A/250 V. The cord set  
should have the appropriate safety approvals for the country in which the equipment  
will be installed.  
Power saving  
The monitor will be switched to “power saving” mode by the control signal from the  
display controller, as indicated by the blinking blue light.  
Mode  
On  
LED light  
Blue  
Standby/Power saving  
Blinking Blue  
The power saving mode will be kept until a  
control signal has been detected or the keyboard  
or mouse is activated. The recovery time from  
“power saving” mode back to “on” is around 3  
seconds.  
LED indicator  
3
 
Display Data Channel (DDC)  
To make installation easier, so long as your system supports the DDC protocol, the  
monitor is able to plug-and-play. The DDC is a communication protocol through which  
the monitor automatically informs the host system about its capabilities; for example,  
supported resolutions and corresponding timing. The monitor supports the DDC2B  
standard.  
Connector pin assignment  
1
5
10  
15  
6
11  
15-pin color display signal cable  
PIN No. Description  
PIN No. Description  
1
2
3
4
5
6
7
8
Red  
9
+5 V  
Green  
10  
11  
12  
13  
14  
15  
Logic ground  
Blue  
M onitor ground  
DDC-serial data  
H-sync  
M onitor ground  
DDC-return  
R-ground  
G-ground  
B-ground  
V-sync  
DDC-serial clock  
4
 
24-pin color display signal cable  
PIN No. Description  
PIN No. Description  
1
2
TM DS data 2-  
TM DS data 2+  
TM DS data 2/4 shield  
NC  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
NC  
+5 V power  
3
GND (return for +5 V hsync.vsync)  
Hot-plug detection  
TM DS data 0-  
TM DS data 0+  
TM DS data 0/5 shield  
NC  
4
5
NC  
6
DDC clock  
DDC data  
7
8
NC  
9
TM DS data 1-  
TM DS data 1+  
TM DS data 1/3 shield  
NC  
NC  
10  
11  
12  
TM DS clock shield  
TM DS clock+  
DDC TM DS clock-  
19-pin color display signal cable  
19 1715 13 11 9 7 5 3 1  
18 1614 12 10 8 6 4 2  
PIN No. Description  
PIN No. Description  
1
3
TM DS Data2+  
TM DS Data2-  
TM DS Data1 Shield  
TM DS Data0+  
TM DS Data0-  
TM DS Clock Shield  
CEC  
2
4
TM DS Data2 Shield  
TM DS Data1+  
TM DS Data1-  
5
6
7
8
TM DS Data0 Shield  
TM DS Clock+  
9
10  
12  
14  
16  
18  
11  
13  
15  
17  
19  
TM DS Clock-  
Reserved (N.C. on device)  
SDA  
SCL  
DDC/CEC Ground  
Hot Plug Detect  
+5V Power  
5
 
Standard timing table  
No.  
Mode  
Resolution  
Refresh Rate  
1
640x480  
60  
72  
66.7  
70  
56  
60  
72  
60  
60  
70  
75  
60  
60  
60  
60  
60  
60  
60  
60  
60  
Hz  
Hz  
Hz  
Hz  
Hz  
Hz  
Hz  
Hz  
Hz  
Hz  
Hz  
Hz  
Hz  
Hz  
Hz  
Hz  
Hz  
Hz  
Hz  
Hz  
VGA  
2
640x480  
3
M AC  
VESA  
640x480  
4
720x400  
5
800x600  
6
800x600  
SVGA  
7
800x600  
8
1024x600  
1024x768  
1024x768  
1152x864  
1280x960  
1280x1024  
1280x720  
1280x800  
1360x768  
1440x900  
1680x1050  
1600x1200  
1920x1080  
9
XGA  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
VESA  
SXGA  
VESA  
W XGA  
W XGA+  
W SXGA+  
UXGA  
VESA  
6
 
Installation  
To install the monitor on your host system, please follow the steps below:  
Steps  
1
Connect the video cable  
a
M ake sure both the monitor and computer are switched off.  
Connect the VGA video cable to the computer.  
Connect the digital cable  
b
c
(1) M ake sure both the monitor and computer are switched off.  
(2) DVI Cable (Optional, only Dual-Input M odel)  
a. M ake sure both the monitor and computer are powered-OFF.  
b. Connect the DVI cable to the computer.  
(3) HDM I Cable (Optional, only HDM I-Input M odel)  
a. M ake sure both the monitor and computer are powered-OFF.  
b. Connect the HDM I cable to the computer.  
2
Connect the adapter  
a
Connect the AC cord to the adapter.  
b
Connect one end of the adapter to the monitor and the other end to a properly  
grounded, AC outlet.  
3
4
Turn on the monitor and computer  
Turn on the monitor first, then the computer. This sequence is very important.  
If the monitor does not function properly, please refer to the troubleshooting  
section to diagnose the problem.  
DVI  
D-SUB  
DC-IN  
HDMI  
2
DC  
HDMI  
DVI  
D-SUB  
DVI  
D-SUB  
DC-IN  
HDMI  
7
 
Users controls  
5 4 3  
2
1
Panel controls  
No. Item  
Description  
1
Power button/  
Turn the monitor on/off.  
indicator  
Blue indicates power on. Blinking blue indicates standby/  
power saving mode.  
2
< / > button  
Press the < / > button to navigate to the desired function,  
and press the Menu button to select the function. Press the  
< / > button to change the settings of the current function.  
3
4
M enu/Enter  
button  
Press to view the OSD menu. Press it again to enter a  
selection in the OSD menu.  
Auto/Exit button  
W hen the OSD menu is active, press this button to exit  
the OSD menu.  
W hen the OSD menu is inactive, press this button for  
two seconds to activate the Auto Adjustment function  
and the monitor will automatically optimize the display  
position, focus, and clock of your display.  
5
Empowering Key Press this button to open the Acer eColor M anagement OSD  
and access the scenario modes.  
8
 
Using the Shortcut Menu  
AUTO  
Input  
Press any of the function buttons (Empowering Key, Auto button, or Menu button) to  
open the shortcut menu. The shortcut menu lets you quickly select the most commonly  
accessed settings.  
Icon  
Item  
Description  
Empowering  
Press the Empowering Key to open the Acer eColor  
M anagement and access the scenario modes.  
Auto  
Press the Auto button to activate the Auto Adjustment  
function and the monitor will automatically optimize the  
display position, focus, and clock of your display.  
AUTO  
M enu  
Volume  
Input  
Press the Menu button to activate the OSD menu.  
Press the Volume button to adjust volume. (Optional, only  
Audio-Input M odel)  
Press the Input button to select from different video  
sources that may be connected to your monitor. (Optional,  
only Dual-Input M odel or HDM I-Input M odel)  
Input  
Acer eColor Management  
Operation instructions  
1
Press the Empowering Key to open the Acer eColor M anagement OSD menu and  
access the scenario modes.  
mpowering Technology  
User  
ECO Standard Graphics Movie  
Adjust/Exit  
2
3
Press the < / > button to select the desired mode.  
Press the Auto button to confirm the selection and exit Acer eColor M anagement.  
9
 
Features and benefits  
Icon  
Mode type  
Description  
User mode  
User-defined. Settings can be fine-tuned to suit any  
situation.  
ECO mode  
Adjusts the settings to reduce power consumption.  
Standard mode  
Graphic mode  
M ovie mode  
Default settings. Reflects native display capability.  
Enhances colors and emphasizes fine detail. Pictures and  
photographs appear in vibrant colors with sharp detail.  
Displays scenes in clearest detail. Presents great visuals,  
even in unsuitably-lit environments.  
Using the OSD Menus  
Note: The following content is for general reference only. Actual  
product specifications may vary.  
Your LCD monitor is equipped with an on-screen display (OSD) menu for making various  
adjustments and settings.  
Press the Menu button to open the OSD menu. You can use the OSD menu to adjust the  
picture quality, OSD timeout, and general settings.  
10  
 
Picture M enu  
The Picture menu is used for adjusting the picture quality.  
Picture  
Acer eColor Management  
Brightness  
Contrast  
77  
56  
50  
50  
30  
50  
H.Position  
V.Position  
Focus  
Clock  
Colour Temp  
Auto Config  
Warm  
Exit  
1
2
Press the Menu button to bring up the OSD menu.  
Press the < / > button to select  
Picture and press the Menu button to enter the  
Picture menu.  
The following options are available in the Picture menu: Acer ecolor M anagement,  
Brightness, Contrast, H. Position, V. Position, Focus, Clock, Colour Temp, and Auto  
Config.  
3
4
Press the < / > button to scroll through the Picture options, and press the Menu  
button to enter its sub-menu.  
Press the < / > button to adjust/select the setting and press the Auto button to  
confirm.  
11  
 
OSD M enu  
The OSD menu is used for adjusting the OSD timeout setting.  
OSD  
OSD Timeout  
10  
Exit  
1
2
Press the Menu button to bring up the OSD menu.  
Press the < / > button to select  
OSD and press the Menu button to enter the  
OSD menu.  
3
To adjust the OSD Timeout setting, press the Menu button to enter its sub-menu.  
4
Press the < / > button to select the desired time interval and press the Auto button  
to confirm.  
Setting M enu  
The Setting menu is used for adjusting the general settings for current input signal such  
as aspect ratio, OSD language, and etc.  
Setting  
Wide Mode  
DDC/CI  
ACM  
Full  
ON  
OFF  
Input  
VGA  
Language  
Reset  
English  
Exit  
12  
 
1
2
Press the Menu button to bring up the OSD menu.  
Press the < / > button to select  
Setting and press the Menu button to enter the  
Setting menu.  
The following options are available in the Setting menu: W ide M ode, DDC/CI, ACM ,  
Input, Language, and Reset.  
3
4
Press the < / > button to scroll through the Setting options, and press the Menu  
button to enter its sub-menu.  
Press the < / > button to adjust/select the setting and press the Auto button to  
confirm.  
Information M enu  
The Information menu displays the basic information of the LCD monitor.  
Information  
1920x1080  
H:68KHz V:60Hz  
VGA Input  
S/N:ETRLA00803104000502400  
Exit  
1
2
Press the Menu button to bring up the OSD menu.  
To view the basic information of the LCD monitor, press the < / > button to select  
Information.  
13  
 
Troubleshooting  
Before sending your LCD monitor for servicing, please check the troubleshooting list  
below to see if you can self-diagnose the problem.  
VGA Mode  
Problem  
LED status  
Blue  
Remedy  
No picture visible  
Using the OSD menu, adjust brightness and  
contrast to maximum or reset to their default  
settings.  
Off  
Check the power switch.  
Check if the power cord is properly connected  
to the monitor.  
Blinking Blue  
Check if the video signal cable is properly  
connected at the back of monitor.  
Check if the computer system is switched on  
and in power saving/standby mode.  
Unstable picture  
Blue  
Blue  
Check if the specification of graphics adapter  
and monitor is in compliance which may be  
causing the input signal frequency mismatch.  
Abnormal picture  
(Image is missing,  
off-center, too large  
or too small on the  
screen.)  
Using the OSD menu, adjust focus, clock,  
H-position and V-position with non-standard  
signals.  
Check the display setting on your system. In  
case of a missing image, please select another  
resolution or vertical refresh rate.  
Wait for a few seconds after adjusting  
the size of the image before changing or  
disconnecting the signal cable or switching  
off the monitor.  
14  
 
DVI/HDMI mode (Optional)  
Problem  
LED status  
Remedy  
No picture visible  
Blue  
Using the OSD menu, adjust brightness and  
contrast to maximum or reset to their default  
settings.  
Off  
Check the power switch.  
Check if the AC power cord is properly  
connected to the monitor.  
Blinking Blue  
Check if the video signal cable is properly  
connected at the back of monitor.  
Check if the computer system is switched on  
and in power saving/standby mode.  
15  
 

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