M Series
LCD Monitor
User Guide
M Series
LCD Monitor
User Guide
Contents
ii
Notices
Federal Communications Commission Statement
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
???This device may not cause harmful interference, and
???This device must accept any interference received including interference that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with manufacturer???s instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
???Reorient or relocate the receiving antenna.
???Increase the separation between the equipment and receiver.
???Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.
???Consult the dealer or an experienced radio/TV technician for help.
The use of shielded cables for connection of the monitor to the graphics card is required to assure compliance with FCC regulations. Changes or modifications to this unit not expressly approved by the party responsible for compliance
could void the user???s authority to operate this equipment.
As an Energy Star?? Partner, our company has determined that this product meets the Energy Star?? guidelines for energy efficiency.
Canadian Department of Communications Statement
This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications.
This class B digital apparatus complies with Canadian
iii
Safety information
???Before setting up the monitor, carefully read all the documentation that came with the package.
???To prevent fire or shock hazard, never expose the monitor to rain or moisture.
???Never try to open the monitor cabinet. The dangerous high voltages inside the monitor may result in serious physical injury.
???If the power supply is broken, do not try to fix it by yourself. Contact a qualified service technician or your retailer.
???Before using the product, make sure all cables are correctly connected and the power cables are not damaged. If you detect any damage, contact your dealer immediately.
???Slots and openings on the back or top of the cabinet are provided for ventilation. Do not block these slots. Never place this product near or over a radiator or heat source unless proper ventilation is provided.
???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 supply to your home, consult your dealer or local power company.
???Use the appropriate power plug which complies with your local power standard.
???Do not overload power strips and extention cords. Overloading can result in fire or electric shock.
???Avoid dust, humidity, and temperature extremes. Do not place the monitor in any area where it may become wet. Place the monitor on a stable surface.
???Unplug the unit during a lightning storm or if it will not be used for a long period of time. This will protect the monitor from damage due to power surges.
???Never push objects or spill liquid of any kind into the slots on the monitor cabinet.
???To ensure satisfactory operation, use the monitor only with UL listed computers which have appropriate configured receptacles marked between
???If you encounter technical problems with the monitor, contact a qualified service technician or your retailer.
This symbol of the crossed out wheeled bin indicates that the product (electrical, electronic equipment, and
be placed in municipal waste. Please check local regulations for disposal of electronic products.
iv
Care & Cleaning
???Before you lift or reposition your monitor, it is better to disconnect the cables and power cord. Follow the correct lifting techniques when positioning the monitor. When lifting or carrying the monitor, grasp the edges of the monitor. Do not lift the display by the stand or the cord.
???Cleaning. Turn your monitor off and unplug the power cord. Clean the monitor surface with a
???Avoid using a cleaner containing alcohol or acetone. Use a cleaner intended for use with the monitor. Never spray cleaner directly on the screen, as it may drip inside the monitor and cause an electric shock.
The following symptoms are normal with the monitor:
???The screen may flicker during the initial use due to the nature of the fluorescent light. Turn off the Power Switch and turn it on again to make sure that the flicker disappears.
???You may find slightly uneven brightness on the screen depending on the desktop pattern you use.
???When the same image is displayed for hours, an afterimage of the previous screen may remain after switching the image. The screen will recover slowly or you can turn off the Power Switch for hours.
???When the screen becomes black or flashes, or cannot work anymore, contact your dealer or service center to fix it. Do not repair the screen by yourself!
Conventions used in this guide
WARNING: Information to prevent injury to yourself when trying to complete a task.
CAUTION: Information to prevent damage to the components when trying to complete a task.
IMPORTANT: Information that you MUST follow to complete a task.
NOTE: Tips and additional information to aid in completing a task.
v
Where to find more information
Refer to the following sources for additional information and for product and software updates.
1.ASUS websites
The ASUS websites worldwide provide updated information on ASUS hardware and software products. Refer to http://www.asus.com
2.Optional documentation
Your product package may include optional documentation that may have been added by your dealer. These documents are not part of the standard package.
vi
1.1Welcome!
Thank you for purchasing the ASUS?? LCD monitor!
The latest widescreen LCD monitor from ASUS provides a crisper, broader, and brighter display, plus a host of features that enhance your viewing experience.
With these features, you can enjoy the convenience and delightful visual experience that the monitor brings to you!
1.2Package contents
Check your package for the following items:
LCD monitor
Quick start guide
Warranty card
Power cord + power adapter
VGA cable
only for H SKU
DVI cable(MS202N/MS208N)
If any of the above items is damaged or missing, contact your retailer immediately.
1.3Monitor introduction
1.3.1Front view
1.
button:
???Selects a desired preset mode.
???Exits the OSD menu or goes back to the previous menu when the OSD menu is active.
???Automatically adjusts the image to its optimized position, clock, and phase by touching this button for
2.
???Decreases values or moves your selection left/down.
???Contrast hotkey
3.MENU button:
???Turns on the OSD menu. Enacts the selected OSD menu item.
4.
???Increases values or moves your selection right/up.
???Brightness hotkey
5.
button:
???Selects an available input source.
6.
Power button/power indicator
???Turns the monitor on/off.
???The color definition of the power indicator is as the below table.
1.3.2Back view
ML Series(ML238/ML239) only for H SKU
MS Series(MS236/MS238/MS246/MS248) only for H SKU
M Series (20'' only of D SKU)
M Series (20'' only of N SKU)
6
Rear connectors
1.
2.VGA port. This
3.HDMI port. This port is for connection with an HDMI compatible device.
4.Earphone jack. This port is only available when an HDMI cable is connected.
5.Kensington lock slot.
6. DVI port. This port is for PC DVI connection.
2.1Assembling the monitor arm/base
To assemble the monitor arm/base:
1.Have the front of the monitor face down on a table.
2.Place the circular arm on the back of the monitor by aligning the pins on the arm with the slots on the monitor. Use a coin or the like to turn the screw until the circular arm is securely attached to the monitor. Put the screw cover on the screw.
3.Attach the circular base to the arm by using a coin or the like to turn the screw until the circular base is securely attached to the arm.
4.The arm/base installation is complete.
We recommend that you cover the table surface with soft cloth to prevent damage to the monitor.
ML Series
Arm
Base
MS Series
2.2Adjusting the monitor
???For optimal viewing, we recommend that you look at the full face of the monitor, then adjust the monitor to the angle that is most comfortable for you.
???Hold the stand to prevent the monitor from falling when you change its angle.
???You can adjust the ML Series monitor???s angle from +20?? to
It is normal that the monitor slightly shakes while you adjust the viewing angle.
2.3Connecting the cables
1.Connect the cables as the following instructions:
ML Series(ML238/ML239) only for H SKU
MS Series(MS236/MS238/MS246/MS248) only for H SKU
M Series (20'' only of D SKU)
M Series (20'' only of N SKU)
???To connect the power cord:
a.Connect the power adapter securely to the monitor???s DC input port.
b.Connect one end of the power cord to the power adapter and the other end to a power outlet.
???To connect the
a.Plug one end of the
b.Connect the other end of the
c.Tighten the two screws to secure the VGA/DVI connector.
???To use the earphone (only when an HDMI cable, not the supplied HDMI- DVI cable, is connected): connect the end with plug type to the monitor???s earphone jack.
When these cables are connected, you can choose the desired signal from the
Input Select item in the OSD menu.
2.4Turning on the monitor
Tap the power button 
. See page 
lights up in white to show that the monitor is ON.
3.1OSD
3.1.1How to reconfigure
1.Tap the MENU button to activate the OSD menu.
2.Ta p 
, a n d 
t o navigate through the functions. Highlight the desired function and tap the MENU button to
activate it. If the function selected has a 
and 
again to navigate through the
3.Tap 
, and 
to change the settings of the selected function.
4.To exit and save the OSD menu, tap the 
button repeatedly until the
OSD menu disappears. To adjust other functions, repeat steps
3.1.2OSD function introduction
1.Splendid
This function contains six sub- functions you can select for your preference. Each mode has the
Reset selection, allowing you to maintain your setting or return to the preset mode.
???Standard Mode: best choice for document editing with SPLENDID??? Video Enhancement.
???Theater Mode: best choice for movies with SPLENDID??? Video
Enhancement.
???Game Mode: best choice for games playing with SPLENDID??? Video
Enhancement.
???Scenery Mode: best choice for scenery photo display with SPLENDID??? Video Enhancement.
???Night View Mode: best choice for
SPLENDID??? Video Enhancement.
???sRGB Mode: best choice for viewing photos and graphics from PCs.
In the Standard Mode, the ASCR, Saturation and Sharpness functions are not
2.Color
You can adjust brightness, contrast, sharpness, saturation, position (VGA only), and focus (VGA only) from this menu.
???Brightness: the adjusting
range is from 0 to 100. 
is a hotkey to activate this function.
???Contrast: the adjusting range is from 0 to 100. 
is a hotkey to activate this function.
???Saturation: the adjusting range is from 0 to 100.
???Color Temp.: contains four color modes including Cool, Normal, Warm, and User Mode.
???Skin Tone: contains three color modes including Reddish, Natural, and Yellowish.
???Smart View: provides better display quality under big viewing angle.
In the User mode, colors of R (Red), G (Green), and B (Blue) are user- configurable; the adjusting range is from
Smart View function do not use ML239 (wide view angle panel)
3.Image
Select the image color you like from this function.
???Sharpness: the adjusting range is from 0 to 100.
???Trace Free: adjusts the response time of the monitor.
???Aspect Control: adjusts the aspect ratio to full, 4:3, or
overscan (only available for the HDMI input).
???ASCR: turns on/off the ASCR (ASUS Smart Contrast Ratio) function.
???Position: adjusts the horizontal position
???Focus: reduces
???Phase adjusts the phase of the pixel clock signal. With a wrong phase adjustment, the screen shows horizontal disturbances.
??? 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 image is not proportional.
???Trace Free: MS202&MS208 have no this function
4.Input Select
In this function, you can select your desired input source.
5.System Setup
Allows you to adjust the system.
???Splendid Demo Mode: splits the screen into two for Splendid modes comparison.
???Volume: the adjusting range is from 0 to 100.
???ECO Mode: reduces power consumption.
???OSD Setup:
*Adjusts the horizontal position
*Adjusts the OSD timeout from 10 to 120 seconds.
*Enables or disables the DDC/CI function.
???Information: shows the monitor information.
???Language: there are 1 languages for your selection, including English, German, Italian, French, Dutch, Spanish, Russian, Traditional Chinese, Simplified Chinese, Japanese,and korean.
???All Reset: ???Yes??? allows you to restore the default settings.
3.2Specifications summary (M Series)
Panel Type
Panel size
Max. Resolution
Pixel pitch
Brightness (Max.)
Contrast Ratio (Typ.)
Contrast Ratio (Max.)
Viewing angle(H/V) CR>10
Display colors
Response time
SPLENDID??? Video
Enhancement
SPLENDID??? selection
Auto adjustment
Color temperature selection
Digital input
Analog input
Earphone jack
Colors
Power LED
Tilt
Swivel
Kensington lock
AC/DC adaptor input voltage
Power consumption
Temperature (Operating)
Temperature
Dimension (W x H x D)
Weight (Esti.)
Accessories
Regulation approvals
Back light system
TFT LCD
20",23",23.6"(16:9) wide screen
1920 x 1080
1600 x 900
0.2715 mm
0.2768 mm
0.2655mm
0.2652mm
250 cd/m2
1000:1
50,000:1
10,000,000:1
50,000,000:1
170??/160??(Typ.,)(MS202/MS208) 170??/170??(Min.,)178??/178??(Typ.,)(ML239) 150??/140??(Min.,)170??/160??(Typ.,)(MS236/MS238/MS246/MS248/ML238)
16.7 M
2 ms
5 ms
Yes
6 video preset modes (by hotkey)
Yes (by hotkey)
4 color temperatures
3
HDMI v1.3
Yes (Only for HDMI)
Black(front&black side)(MS208/MS238/MS248/ML239)
Black(front side)/White(back side)(MS202/MS236/MS246/ML238)
White (On)/White (Standby)
+20??~
+20??~ 
Yes
AC: 100~240V
For use only with power supply via
Asus
Power On: < 30 W, Standby: < 1 W, Power Off: < 1 W
0??C~40??C
11 languages (English, German, Italian, French, Dutch, Spanish, Russian, Traditional Chinese,Simplified Chinese, Japanese,korean)
VGA cabel,
VGA cabel,DVI cabel ,Power cord,Power adapter, Quick start guide,Warranty card (MS202N/MS208N)
Energy Star??, CB, CE,
2CCFL (MS202/MS236/MS246)
LED (MS208/MS238/MS248/ML238/ML239)
3.3Troubleshooting (FAQ)
Problem
Power LED is not ON
Possible Solution
???Tap the 
button to check if the monitor is in the ON mode.
???Check if the power cord is properly connected to the monitor and the power outlet.
The power LED lights amber and there is no screen image
???Check if the monitor and the computer are in the ON mode.
???Make sure the signal cable is properly connected the monitor and the computer.
???Inspect the signal cable and make sure none of the pins are bent.
???Connect the computer with another available monitor to check if the computer is properly working.
Screen image is not centered or sized properly
???Touch the 
button for
???Adjust the
3.4Supported operating modes
*Modes not listed in the table may not be supported. For optimal resolution, we recommend that you choose a mode listed in the table above.
*This monitor supports full HD (480p, 576p, 720p, 1080i/p) video content from game consoles, DVD players and other consumer video devices via HDMI.