www.lg.com
25UM57
29UM57
Please read the safety information carefully before using the
product.
IPS LED Monitor (LED Monitor) Model List
Owner's Manual
IPS LED MONITOR
(LED MONITOR*)
*LG LED Monitors are LCD Monitors with LED Backlighting.
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other
reproductive harm. Wash hands after handling.
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ENGLISH
Contents
CONTENTS
21 CUSTOMIZING SETTINGS
21 Activating the Main Menu
22 Customizing settings
22 - Menu Settings
22 - -Quick Settings
23 - -Picture
25 - -General
26 - -Reset
27 - -Game mode
29 TROUBLESHOOTING
31 SPECIFICATIONS
31 25UM57
32 29UM57
33 Factory support mode
33 HDMI Timing (Video)
33 Power Indicator
34 PROPER POSTURE
34 Proper Posture for Using the Monitor
3 LICENSE
4 ASSEMBLING AND
PREPARING
4 Product Components
5 Component and Button Description
6 Moving and Lifting the Monitor
7 Installing the Monitor
7 - Assembling the stand base
8 - Using the cable holder
9 - Detaching the stand base
11 - Installing onto a table
12 - Adjusting the angle
13 - Using the Kensington lock
13 - Installing the wall mount plate
14 - Installing to a wall
15 USING THE MONITOR
15 Connecting to a PC
15 - HDMI connection
15 Connecting to AV Devices
15 - HDMI connection
16 Connecting to External Devices
16 - Headphone port connection
17 INSTALLING THE LG
MONITOR SOFTWARE
17 Installing The Screen Split
19 Installing The Dual Controller
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LICENSE
LICENSE
Each model has different licenses. Visit www.lg.com for more information on the license.
The terms HDMI and HDMI High-Definition Multimedia Interface, and the
HDMI logo are trademarks or registered trademarks of HDMI Licensing LLC
in the United States and other countries.
The following content is only applied to the monitor which is sold in Europe market and which needs to meet
the ErP Directive:
* This monitor is set to be turned off automatically in 4 hours after you turned on display if there is no
adjustment to display.
* To make this setting be disabled, change the option to ‘Off’ in OSD menu of “Automatic Standby”.
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ASSEMBLING AND PREPARING
ASSEMBLING AND PREPARING
Product Components
Please check whether all the components are included in the box before using the product. If there are
missing components, contact the retail store where you purchased the product. Note that the product and
components may look different from those shown here.
y
Always use genuine components to ensure safety and product performance.
y
The product warranty will not cover damage or injury caused by the use of counterfeit components.
y
Note that the components may look different from those shown here.
y
Without prior notice, all information and specifications in this manual are subject to change to im-
prove the performance of the product.
y
To purchase optional accessories, visit an electronics store or online shopping site or contact the
retail store where you purchased the product.
CAUTION
NOTE
User Manual/Card
Stand Base
Stand Body
Screw Cover
Screws
HDMI Cable
Stand Base
Stand Body
Screw Cover
Screws
( Depending on the country )
( Depending on
the country )
Power Cord
AC-DC Adapter
AC-DC Adapter
or
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ASSEMBLING AND PREPARING
Component and Button Description
Power Indicator
y
On: power is on
y
Off: power is off
Ports
(Power Button)
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ASSEMBLING AND PREPARING
Moving and Lifting the Monitor
When moving or lifting the monitor, follow these
instructions to prevent the monitor from being
scratched or damaged and to ensure safe trans-
portation regardless of its shape or size.
y
As far as possible, avoid touching the moni-
tor screen. This may result in damage to the
screen or some of the pixels used to create
images.
y
It is advisable to place the monitor in the
original box or packing material before at-
tempting to move it.
y
Before moving or lifting the monitor, discon-
nect the power cord and all cables.
y
Hold the top and bottom of the monitor frame
firmly. Do not hold the panel itself.
y
When holding the monitor, the screen should
face away from you to prevent it being
scratched.
y
When moving the monitor, avoid any strong
shock or vibrations to the product.
y
When moving the monitor, keep it upright,
never turn the monitor on its side or tilt it
sideways.
CAUTION
y
If you use the monitor panel without the
stand base, its joystick button may cause
the monitor to become unstable and fall,
resulting in damage to the monitor or human
injury. In addition, this may cause the joystick
button to malfunction.
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ASSEMBLING AND PREPARING
Installing the Monitor
Assembling the stand base
y
To protect the screen from scratches, cover
the surface with a soft cloth.
CAUTION
2
Check the direction of the stand body
(front, back) and then mount the stand body
onto the stand hinge.
Tighten two screws into the back of the stand
body .
1
Place the screen face down.
3
4
Attach the screw cover.
Stand Body
Stand Body
Stand Base
Stand Hinge
Attach the
Stand Base
to
Stand Body
.
Tighten the screw to the right.
1
2
Screws
Screw Cover
25UM57
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ASSEMBLING AND PREPARING
y
To protect the screen from scratches, cover
the surface with a soft cloth.
CAUTION
2
Check the direction of the stand body
(front, back) and then mount the stand body
onto the stand hinge.
Tighten two screws into the back of the stand
body .
1
Place the screen face down.
Applying excessive force when tightening
the screws may cause damage to the moni-
tor. Damage caused in this way will not be
covered by the product warranty.
CAUTION
3
4
Attach the screw cover.
It may hurt your foot off the stand, so be
careful.
CAUTION
Stand Body
Stand Body
Stand Base
Stand Hinge
Attach the
Stand Base
to
Stand Body
.
Tighten the screw to the right.
1
2
Screws
Screw Cover
29UM57
Using the cable holder
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ASSEMBLING AND PREPARING
Detaching the stand base
2
Remove the screw cover.
y
To protect the screen from scratches, cover
the surface with a soft cloth.
CAUTION
1
Place the screen face down.
25UM57
3
Remove the two screws on the back of stand
body
.
As shown in the illustration, disconnect the
stand body from the stand hinge.
Screw cover
Stand Body
Stand Base
Turn the screw to the left.
Pull out the
Stand Base
.
4
1
2
Screws
Stand Body
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ASSEMBLING AND PREPARING
2
Remove the screw cover.
y
To protect the screen from scratches, cover
the surface with a soft cloth.
CAUTION
y
Illustrations in this document represent typi-
cal procedures, so they may look different
from the actual product.
y
Do not carry the monitor upside down by just
holding the stand base. This may cause the
monitor to fall off the stand and could result
in personal injury.
y
When lifting or moving the monitor, do not
touch the monitor screen. Applying force or
pressure may damage the monitor screen.
Instead, hold the stand body or the plastic
frame of the product.
CAUTION
1
Place the screen face down.
29UM57
3
Remove the two screws on the back of stand
body
.
As shown in the illustration, disconnect the
stand body from the stand hinge.
Stand Hinge
Screw cover
Stand Body
Stand Body
Stand Base
Turn the screw to the left.
Pull out the
Stand Base
.
4
1
2
y
The components in the illustrations may dif-
fer from the actual product.
y
Do not carry the monitor upside down, as this
may cause it to fall off its stand and result in
damage or injury.
y
To avoid damaging the screen when lifting
or moving the monitor, only hold the stand or
the plastic cover. This avoids putting unnec-
essary pressure on the screen.
CAUTION
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ASSEMBLING AND PREPARING
Installing onto a table
1
Lift the monitor and place it on the table in an
upright position.
Place at least
10 cm
away from the wall to
ensure sufficient ventilation.
2
Connect the adapter to the monitor, then plug
the power cord into the power outlet.
10 cm
10 cm
10 cm
10 cm
29UM55
29UB55
or
3
Press the (Power) button on the bottom of
the monitor to turn it on.
y
Unplug the power cord prior to moving or
installing the monitor. There is risk of electric
shock.
CAUTION
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ASSEMBLING AND PREPARING
Adjusting the angle
1
Place the monitor in an upright position, mount-
ed on the stand base.
2
Adjust the angle of the screen. The angle of the
screen can be adjusted forwards or backwards
for a comfortable viewing experience.
-
Front Side
Rear Side
y
To avoid injury to the fingers when adjusting
the screen, do not hold the lower part of the
monitor's frame as illustrated below.
WARNING
y
Be careful not to touch or press the screen
area when adjusting the angle of the monitor.
02 5-
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ASSEMBLING AND PREPARING
Installing the wall mount plate
This monitor supports the specification of the stan-
dard wall mount plate or compatible device.
1
Place the screen face down. To protect the
screen from scratches, cover the surface with a
soft cloth.
2
Place the wall mount plate onto the monitor
and align it with the screw holes.
3
Using a screwdriver, tighten the four screws to
fix the plate onto the monitor.
y
The wall mount plate is sold separately.
y
For more information on installation, refer to
the wall mount plate's installation guide.
y
Be careful not to use excessive force when
mounting the wall mount plate, as this can
damage the monitor's screen.
NOTE
y
Use of the Kensington lock is optional.
The accessories can be purchased at
your local electronics store.
NOTE
Using the Kensington lock
The Kensington security system connector is locat-
ed at the back of the Monitor set.
For more information on installation and usage,
refer to the Kensington lock user manual or visit
the website at http://www.kensington.com.
Connect the Kensington security system cable
between the Monitor set and a table.
Wall Mount Plate
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ASSEMBLING AND PREPARING
To install the monitor to a wall, attach a wall mount-
ing bracket (optional) to the back of the monitor.
Make sure that the wall mounting bracket is securely
fixed to the monitor and to the wall.
1 If you use screw longer than standard, the moni-
tor might be damaged internally.
2 If you use improper screw, the product might be
damaged and drop from mounted position.
In this case, LG Electronics is not responsible
for it.
Installing to a wall
Install the monitor at least 10 cm away from the
wall and leave about 10 cm of space at each side
of the monitor to ensure sufficient ventilation. De-
tailed installation instructions can be obtained from
your local retail store. Please refer to the manual
to install and set up a tilting wall mounting bracket.
10 cm
10 cm
10 cm
10 cm
y
Unplug the power cord before moving or in-
stalling the monitor to avoid electric shocks.
y
Installing the monitor on the ceiling or on a
slanted wall may result in the monitor falling
off, which could lead to injury. Please use
the genuine LG wall mounting bracket. For
more information, contact your local retail
store or a qualified installer.
y
Applying excessive force when fastening
screws may cause damage to the moni-
tor. Damage caused in this way will not be
covered by the product warranty.
y
Use the wall mounting bracket and screws
that conform to the VESA standard. Dam-
age caused by the use or misuse of inap-
propriate components will not be covered
by the product warranty.
y
Screw length from outer surface of back
cover should be under 8mm.
y
Use the screws specified by the VESA stan-
dard.
y
The wall mount kit includes the installation
guide and all necessary parts.
y
The wall mounting bracket is optional. The
accessories can be purchased at your local
retail store.
y
The length of the screw may differ for each
wall mounting bracket. Ensure the correct
length screw is used.
y
For more information, please refer to the
user manual for the wall mounting bracket.
CAUTION
NOTE
Wall Mount (A x B)
75 x 75
Stand Screw
M4 x 10 mm
Required Screws
4
Wall mount Pad
Wall mount Pad
Back Cover
Back Cover
Standard screw
Max.8mm
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USING THE MONITOR
USING THE MONITOR
Connecting to a PC
y
This monitor supports the *Plug and Play
feature.
*Plug and Play: A feature that allows you to
add a device to your computer without having
to reconfigure anything or install any manual
drivers.
HDMI connection
Transmits the digital video and audio signals from
your PC and A/V devices to the monitor. Connect
your PC and AV device to the monitor with the
HDMI cable as illustrated below.
Press the menu button and then select the input
option from the input menu.
y
HDMI PC may cause device compatibility
issues.
y
Using a DVI to HDMI cable may cause com-
patibility issues.
NOTE
27
2
Connecting to AV Devices
HDMI connection
Transmits the digital video and audio signals from
your PC and A/V devices to the monitor. Connect
your PC and AV device to the monitor with the
HDMI cable as illustrated below.
Press the menu button and then select the input
option from the input menu.
y
Using a DVI to HDMI cable may cause com-
patibility issues.
NOTE
2
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USING THE MONITOR
Connecting to External Devices
Headphone port connection
Use the headphone port to connect a peripheral
device to the monitor. Connect as illustrated.
y
Depending on the audio settings of the PC
and external device, headphone and speaker
functions may be limited.
NOTE
y
For an angle plug earphone, it is difficult
connect it with a peripheral device, so use a
straight type.
NOTE
Angle Type Straight Type
(sold separately)
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INSTALLING LG Monitor Software
INSTALLING THE LG MONITOR SOFTWARE
Installing The Screen Split
1
Set the default Web browser to Internet
Explorer.
Insert the owner's manual CD included in the product package into your PC's CD driver and install the
Screen Split.
The installation screen images are for reference only. The actual installation screen images may vary de-
pending on the model.
2
Click the "Screen Split" on the CD's main
screen. When the file download window
appears, click the Run button. (The file
download window may vary depending on the
operating system and the Internet Explorer
version, but the installation procedures are
same.)
y
Service Pack 1 or higher is required for
Windows 7 & Windows 8.
3
Follow the instructions to proceed with the
installation.
4
Check "I accept the terms of the agreement" on
the License Agreement screen and then click
the [Next] button.
CAUTION
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INSTALLING LG Monitor Software
NOTE
If you run Screen Split, the Screen Split icon [
] appears in the system tray at the right bottom of
the PC screen.
Right-click the Screen Split icon and select a
layout you want.
6
When the installation is complete, restart your
system.
5
The Screen Split installation starts as shown
below.
y
Screen Split: This program automatically
splits the program window as desired.
Monitor Selection only supported in extend
display.
This program supported Windows 7 &
Windows 8.
NOTE
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INSTALLING LG Monitor Software
Installing The Dual Controller
1
Set the default Web browser to Internet
Explorer.
2
Click the "Dual Controller" on the CD's main
screen. When the file download window
appears, click the Run button. (The file
download window may vary depending on the
operating system and the Internet Explorer
version, but the installation procedures are
same.)
y
Service Pack 1 or higher is required for
Windows 7 & Windows 8.1.
3
Follow the instructions to proceed with the
installation.
4
Check "I accept the terms of the agreement" on
the License Agreement screen and then click
the [Next] button.
CAUTION
5
Click the install button.
Insert the owner's manual CD included in the product package into your PC's CD driver and install the Dual
Controller.
The installation screen images are for reference only. The actual installation screen images may vary de-
pending on the model.
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INSTALLING LG Monitor Software
NOTE
If you run Dual Controller, the Dual Controller icon
[ ] appears in the system tray.
Click the
Dual Controller
icon and select a layout
you want.
7
When the installation is complete, restart your
system.
6
The Dual Controller installation starts as shown
below.
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CUSTOMIZING SETTINGS
CUSTOMIZING SETTINGS
Activating the Main Menu
1
Press the joystick button on the bottom of the monitor.
2
Move the joystick up/down (▲/▼) and left/right(◄/►) to set the options.
3
Press the joystick button once more to exit the main menu.
Button Menu Status Description
Main menu disabled Enables the main menu.
Main menu enabled
Exits the main menu.
(Holding down the button to turn off the monitor: You can turn off
the monitor this way at any time, including when the OSD is on.)
◄
Main menu disabled Adjusts the monitor volume level.
Main menu enabled Enters the menu features.
►
Main menu disabled Adjusts the monitor volume level.
Main menu enabled Operates the Input change.
▲
Main menu disabled Enables the main menu.
Main menu enabled Enters the game mode feature.
▼
Main menu disabled Enables the main menu.
Main menu enabled Turns off the monitor.
Main Menu Features
Main Menu Description
Menu Configures the screen settings.
Game Mode Optimizes the screen for game mode.
Input Sets input mode.
Monitor off Turns off the monitor.
Exit Exits the main menu.
Joystick Button
Power Indicator
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CUSTOMIZING SETTINGS
Each option is described below.
Customizing settings
Menu Settings
-Quick Settings
1
To view the
OSD menu
, press the
joystick button
at the
bottom of the monitor and then enter the
Menu
.
2
Go to
Quick Settings >
Brightness
by moving the joystick.
3
Configure the options following the instructions that appear in the
bottom right corner.
4
To return to the upper menu or set other menu items, move the
joystick to ◄ or pressing ( / OK) it.
5
If you want to exit the OSD menu, move the joystick to ◄ until you
exit.
Menu > Quick Settings Description
Brightness
Adjusts the color contrast and brightness of the screen.
Contrast
Volume Adjusts the volume.
NOTE
y
Jog joystick button down (
) in the Volume menu will
enable/disable the Mute function.
Input Selects the input mode.
Ratio Adjusts the screen ratio.
Wide Displays the video in wide-screen, regardless of the video signal input.
Original Displays a video according to the input video signal aspect ratio.
Cinema 1
Enlarges the screen with an aspect ratio of 21:9. (at 1080p)
Cinema 2 Enlarges the screen with an aspect ratio of 21:9 including the black box area
at the bottom for subtitles. (at 1080p)
1:1 The aspect ratio is not adjusted from the original.
NOTE
y
The display may look the same for Wide, Original options at the recommended resolution (2560 x
1080).
y
The ratio is disabled in the interlaced signal.
Game Mode
Gamer
FPS 1
FPS 2
RTS
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CUSTOMIZING SETTINGS
Each option is described below.
-Picture
1
To view the
OSD menu
, press the
joystick button
at
the bottom of the monitor and then enter the
Menu
.
2
Go to
Picture
by moving the joystick.
3
Configure the options following the instructions that
appear in the bottom right corner.
4
To return to the upper menu or set other menu items,
move the joystick to ◄ or pressing ( / OK) it.
5
If you want to exit the OSD menu, move the joystick
to ◄ until you exit.
Menu > Picture Description
Picture Mode Custom Allows the user to adjust each element. The color mode of the main menu can be ad-
justed.
Reader 1 It is a mode that the screen is adjusted to the best for the newspaper. If you want
screen more bright, you can control brightness in Menu OSD.
Reader 2 It is a mode that the screen is adjusted to the best for the cartoon. If you want screen
more bright, you can control brightness in Menu OSD.
Photo Optimizes the screen to view photos.
Cinema Optimizes the screen to improve the visual effects of a video.
Game Mode Gamer Brightness, Contrast, Sharpness, Gamma, Color Temp, Black Stabilizer, Response
Time, and DAS Mode functions can be customized as Gamer.
FPS 1 Game Mode functions are optimized for FPS games.
FPS 2 The Black Stabilizer value is greater than that of FPS 1. It is suitable for very dark
FPS games.
RTS Game Mode functions are optimized for RTS games.
Game Mode
Gamer
FPS 1
FPS 2
RTS
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CUSTOMIZING SETTINGS
Picture
Adjust
Picture Black Stabilizer Black Stabilizer
: You can control the black contrast to have better visibility in dark
scenes.
Increasing the Black Stabilizer value brightens the low gray level
area on the screen. (You can easily distinguish objects on dark game
screens.)
Reducing the Black Stabilizer value darkens the low gray level area
and increases the dynamic contrast on the screen.
Sharpness Adjusts the sharpness of the screen.
Black Level Sets the offset level (for HDMI only).
y
Offset
: as a reference for a video signal, this is the darkest color the
monitor can display.
High The picture of the screen gets brighter.
Low The picture of the screen gets darker.
Response Time Sets a response time for displayed pictures based on the speed of the
screen. For a normal environment, it is recommended that you use
Normal. For a fast-moving picture, it is recommended that you use
High.
Setting to High may cause image sticking.
High Sets the response time to High.
Middle Sets the response time to Middle.
Low Sets the response time to Low.
Off Sets the response time to Off.
Color Gamma Set your own gamma value. : Gamma 0, Gamma 1, Gamma 2 on
the monitor, high gamma values display whitish images and low
gamma
values display blackish images.
If user don't want adjusted gamma, user can select Gamma off.
Color Temp Selects the factory default picture color.
Warm:
Sets the screen color to a reddish tone.
Medium:
Sets the screen color between a red and blue tone.
Cool:
Sets the screen color to a bluish tone.
Custom
Red
Green
Blue
You can customize the picture color using Red, Green,
and Blue colors.
Six Color Meets the user requirements for colors through adjusting the color and
saturation of the six colors(
Red_Hue, Red_Saturation, Green_Hue,
Green_Saturation, Blue_Hue, Blue_Saturation, Cyan_Hue, Cyan_
Saturation, Magenta_Hue, Magenta_Saturation, Yellow_Hue, Yel-
low_Saturation
) and saving the settings.
*Hue: Adjusts tone of the screen.
*Saturation: Adjusts the saturation of the screen colors. The lower the
value, less saturated and bright the colors become. The higher the
value, the more saturated and dark the colors become.
Reset Returns the color settings to the default settings.
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CUSTOMIZING SETTINGS
Menu > General Description
Language To choose the language in which the control names are displayed.
SMART ENERGY
SAVING
High
Enables SMART ENERGY SAVING you can save energy with this energy- high
efficient function.
Low
Enables SMART ENERGY SAVING you can save energy with this energy- low
efficient function.
Off Disables SMART ENERGY SAVING .
DAS Mode On You can enjoy faster game ensuring your commands appear onscreen
without delay. (The screen flickers when turning DAS Mode on/off.)
Off Turns DAS Mode off.
Power LED Turns the power indicator on the front side of the monitor on/off.
On The power indicator is automatically turned on.
Off The power indicator is automatically turned on.
Automatic Standby The monitor will automatically switch to standby mode after a certain period.
OSD Lock Prevents incorrect key input.
On Key input is disabled.
NOTE
All functions except for the OSD Lock mode and the Exit button for Brightness, Con-
trast, Volume, Input, and General are disabled.
Off Key input is enabled.
-General
1
To view the
OSD menu
, press the
joystick but-
ton
at the bottom of the monitor and then enter the
Menu
.
2
Go to
General
by moving the joystick.
3
Configure the options following the instructions that
appear in the bottom right corner.
4
To return to the upper menu or set other menu items,
move the joystick to ◄ or pressing ( / OK) it.
5
If you want to exit the OSD menu, move the joystick
to ◄ until you exit.
Game Mode
Gamer
FPS 1
FPS 2
RTS
Each option is described below.
y
SMART ENERGY SAVING: Conserve energy by using luminance compensation algorithm.
y
Saving Data depends on the Panel. So,those values should be different from each panel and panel
vendor.If option of SMART ENERGY SAVING is High or Low, monitor luminance become higher or
lower depend on source.
y
If option of SMART ENERGY SAVING is High or Low, Picture Mode will automatically be Custom.
NOTE
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CUSTOMIZING SETTINGS
-Reset
1
To view the
OSD menu
, press the
joystick but-
ton
at the bottom of the monitor and then enter the
Menu
.
2
Go to
Reset
by moving the joystick.
3
Configure the options following the instructions that
appear in the bottom right corner.
4
To return to the upper menu or set other menu items,
move the joystick to ◄ or pressing ( / OK) it.
5
If you want to exit the OSD menu, move the joystick
to ◄ until you exit.
Each option is described below.
Menu > Reset Description
Do you want to reset your settings?
Reset Returns to the default settings.
Cancel Cancel the select.
Game Mode
Gamer
FPS 1
FPS 2
RTS
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CUSTOMIZING SETTINGS
Game Mode
Gamer
FPS 1
FPS 2
RTS
-Game mode
1
Press the joystick button on the bottom of the monitor.
2
Go to
Game mode
by moving the joystick button to ▲.
3
Configure the options following the instructions that appear in the
bottom.
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CUSTOMIZING SETTINGS
Each option is described below.
y
If option of Picture Mode is non-Custom , SMART ENERGY SAVING will automatically be Off.
NOTE
Memu>
Game Mode
Description
Game Mode Gamer Brightness Adjusts the color contrast and brightness of the screen.
Contrast
Sharpness Adjusts the sharpness of the screen.
Gamma "Set your own gamma value. : Gamma 0, Gamma 1, Gamma 2 on
the monitor, high gamma values display whitish images and low gamma
values display blackish images.
If user don't want adjusted gamma, user can select Gamma off."
Color Temp Red You can customize the picture color using Red, Green, and Blue
colors.
Green
Blue
Black Stabilizer "Black Stabilizer:
You can control the black contrast to have better visibility in dark scenes.
Increasing the Black Stabilizer value brightens the low gray level area on the
screen. (You can easily distinguish objects on dark game screens.)Reducing
the Black Stabilizer value darkens the low gray level area and increases the
dynamic contrast on the screen."
Response Time "Sets a response time for displayed pictures based on the speed of the
screen.
For a normal environment,it is recommended that you use Middle. For a
fast-moving
picture, it is recom-mended that you use High.Setting the response time to
High may
cause image sticking."
High Sets the response time to High.
Middle Sets the response time to Middle.
Low Sets the response time to Low.
Off Does not use the response time improvement feature.
DAS Mode On You can enjoy faster game ensuring your commands appear on-
screen without delay. (The screen flickers when turning DAS Mode
on/off.)
Off Turns DAS Mode off.
FPS 1 Game Mode functions are optimized for FPS games.
FPS 2 The Black Stabilizer value is greater than that of FPS 1. It is suitable for very dark FPS games.
RTS Game Mode functions are optimized for RTS games.
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TROUBLESHOOTING
TROUBLESHOOTING
Nothing is displayed on the screen.
Is the monitor's power cord plugged
in?
y
Check if the power cord is correctly plugged in to the power outlet.
Is the power indicator on?
y
Check the power cable connection and press the power button.
Is the power indicator displaying ?
y
Check that the connected input is enabled (Menu - Input).
Is the power indicator blinking?
y
If the monitor is in sleep mode, move the mouse or press any key on
the keyboard to switch the display on.
y
Check if the computer is turned on.
Is the "OUT OF RANGE" message
displayed?
y
This occurs when signals transferred from the PC (video card) are out
of the horizontal or vertical frequency range of the monitor. Please see
the "Product Specification" section of this manual to set the appropri-
ate frequency.
Is the "CHECK SIGNAL CONNEC-
TION" message is displayed?
y
This is displayed when the signal cable between the PC and the moni-
tor is missing or disconnected. Check the cable and reconnect.
The screen retains an image.
Does image sticking occur even
when the monitor is turned off?
y
Displaying a still image for a prolonged time may cause damage to the
screen, resulting in the retention of the image.
y
Use a screen saver to protect the screen when using the monitor for a
prolonged period of time.
y
Vertical Frequency:
In order to display an image, the screen must be refreshed dozens of times per
second like a fluorescent lamp.
The number of times the screen is refreshed per second is called vertical frequency or refresh rate
and is represented by Hz.
y
Horizontal Frequency:
The time it takes to display one horizontal line is called the horizontal cycle.
The number of horizontal lines displayed in one second can be calculated by dividing one by the hori-
zontal cycle. This is called horizontal frequency and is represented by kHz.
NOTE
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TROUBLESHOOTING
y
Check if the video card's resolution or frequency is within the range allowed by the monitor and set to
the recommended (optimal) resolution in
Control Panel > Display > Settings
.
y
Failing to set the video card to the recommended (optimal) resolution may result in blurred text, a
dimmed screen, a truncated display area or misalignment of the display.
y
The configuration procedure may differ depending on your computer and/or operating system. Also,
some video cards may not support certain resolutions. If this is the case, contact the manufacturer of
the computer or video card for assistance.
y
Some video cards may not support the 2560x1080 resolution.
If the resolution cannot be displayed, contact the manufacturer of your video card.
NOTE
The display color is abnormal.
Does the display appear discolored
(16 color)?
y
Set the color to 24 bit (true color) or higher. In Windows, go to Control
Panel > Display > Settings > Color Quality.
Does the display color appear un-
stable or in monochrome?
y
Check if the signal cable is connected properly. Reconnect the cable or
reinsert the PC's video card.
Are there spots on the screen?
y
When using the monitor, pixilated spots (red, green, blue, white or
black) may appear on the screen. This is normal for the LCD screen. It
is not an error nor is it related to the monitor's performance.
31
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SPECIFICATIONS
SPECIFICATIONS
LCD Screen Type TFT (Thin Film Transistor) LCD (Liquid Crystal Display)
Panel,Anti-Glare coating
Pixel Pitch 0.2286 mm x 0.2286 mm
Resolution Maximum Resolution 2560 x 1080 @ 60 Hz
Recommended Resolution 2560 x 1080 @ 60 Hz
Video Signal
Horizontal Frequency 30 kHz to 90 kHz
Vertical Frequency 56~75 Hz (PC)
56~61 Hz (AV)
Synchronization Separate Sync.
Input Connector HDMI IN1, HDMI IN2 , H/P
Power Voltage 19 V
1.6 A
Power consumption (Typ.) On mode: 24 W (ENERGY STAR® standard)*
Sleep Mode ≤ 0.3 W
Off Mode ≤ 0.3 W
AC/DC adaptor Type ADS-40SG-19-3 19032G, SHENZHEN HONOR ELECTRONIC CO.,LTD production
Or type ADS-40FSG-19 19032GPG-1, SHENZHEN HONOR ELECTRONIC CO.,LTD production
Or type ADS-40FSG-19 19032GPBR-1, SHENZHEN HONOR ELECTRONIC CO.,LTD production
Or type ADS-40FSG-19 19032GPI-1, SHENZHEN HONOR ELECTRONIC CO.,LTD production
Or type ADS-40FSG-19 19032GPCU-1, SHENZHEN HONOR ELECTRONIC CO.,LTD production
Or type LCAP21A, LIEN CHANG ELECTRONIC ENTERPRISE production
Or type LCAP26A-A , LIEN CHANG ELECTRONIC ENTERPRISE production
Or type LCAP26A-E, LIEN CHANG ELECTRONIC ENTERPRISE production
Or type LCAP26A-I, LIEN CHANG ELECTRONIC ENTERPRISE production
Or type LCAP26A-B, LIEN CHANG ELECTRONIC ENTERPRISE production.
Output: 19 V
1.7 A
Environmental
Conditions
Operating Condition Temperature: 10°C to 35°C; Humidity: 10% to 80%
Storing Condition Temperature: -20°C to 60°C; Humidity: 5% to 90%
Stand Angle
Adjustment
Forwards/Backwards: -5° to 20° (Head)
Dimension Monitor Size (Width x Height x Depth)
With Stand 609 mm x 383 mm x 188 mm
Without Stand 609 mm x 287 mm x 55 mm
Weight (Without
Packaging)
4.0 kg
The specifications are subject to change without notice.
* The power consumption level can be different by operating condition and monitor setting.
* The On mode power consumption is measured with ENERGY STAR® test standard.
25UM57
32
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SPECIFICATIONS
LCD Screen Type TFT (Thin Film Transistor) LCD (Liquid Crystal Display)
Panel,Anti-Glare coating
Pixel Pitch 0.2628 mm x 0.2628 mm
Resolution Maximum Resolution 2560 x 1080 @ 60 Hz
Recommended Resolution 2560 x 1080 @ 60 Hz
Video Signal
Horizontal Frequency 30 kHz to 90 kHz
Vertical Frequency 56~75 Hz (PC)
56~61 Hz (AV)
Synchronization Separate Sync.
Input Connector HDMI IN1, HDMI IN2 , H/P
Power Voltage 19 V
2.0 A
Power consumption (Typ.) On mode: 31 W (ENERGY STAR® standard)*
Sleep Mode ≤ 0.3 W
Off Mode ≤ 0.3 W
AC/DC adaptor Type ADS-45SN-19-3 19040G, SHENZHEN HONOR ELECTRONIC CO.,LTD produc-
tion
Or type LCAP21C, LIEN CHANG ELECTRONIC ENTERPRISE production
Or type LCAP26B-E, LIEN CHANG ELECTRONIC ENTERPRISE production.
Output: 19 V
2.1 A
Environmental
Conditions
Operating Condition Temperature: 10°C to 35°C; Humidity: 10% to 80%
Storing Condition Temperature: -20°C to 60°C; Humidity: 5% to 90%
Stand Angle
Adjustment
Forwards/Backwards: -5° to 20° (Head)
Dimension Monitor Size (Width x Height x Depth)
With Stand 70.3 cm x 41.4 cm x 21.3 cm
Without Stand 70.3 cm x 32.8 cm x 6.4 cm
Weight (Without
Packaging)
5.2 kg
The specifications are subject to change without notice.
* The power consumption level can be different by operating condition and monitor setting.
* The On mode power consumption is measured with ENERGY STAR® test standard.
29UM57
SPECIFICATIONS
33
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ENGLISH
SPECIFICATIONS
Factory support mode
Preset Mode
Horizontal Frequency
(kHz)
Vertical Frequency
(Hz)
Polarity (H/V) Remarks
720 x 400 31.468 70.08 -/+
640 x 480 31.469 59.94 -/-
640 x 480 37.5 75 -/-
800 x 600 37.879 60.317 +/+
800 x 600 46.875 75 +/+
1024 x 768 48.363 60 -/-
1024 x 768 60.123 75.029 +/+
1152 x 864 67.5 75 +/+
1280 x 720 45 60 +/+
1280 x 1024 63.981 60.02 +/+
1280 x 1024 79.976 75.025 +/+
1600 x 900 60 60 +/+
1680 x 1050 65.290 59.954 -/+
1920 x 1080 67.5 60 +/-
2560 x 1080 66.7 60 -/+
HDMI Timing (Video)
Preset Mode
Horizontal
Frequency (kHz)
Vertical
Frequency (Hz)
Remarks
480P 31.50 60
576P 31.25 50
720P 37.50 50
720P 45.00 60
1080P 56.25 50
1080P 67.50 60
Power Indicator
Mode LED Color
On Mode Light On
Power-saving Blinking
Off Mode Off
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PROPER POSTURE
PROPER POSTURE
Proper Posture for Using the Monitor
Adjust the screen so that you can comfortably view at a slight downward angle from your natural eye level.
y
Take a break for approximately ten minutes every hour to reduce any fatigue caused by long-time
usage.
y
The stand of the touch monitor allows the product to be used in the optimum position.
Adjust the stand angle to obtain the best view of the screen.
You should be looking
slightly down at the screen.
Place your hands gently on
the keyboard, keeping your
arms bent at the elbows and
extended horizontally in front
of you.
Adjust the angle
So that there is no reflection
or glare from the screen.
Make sure to read the Safety Precautions
before using the product.
Keep the Owner's Manual(CD) in an
accessible place for future reference.
The model and serial number of the SET
is located on the back and one side of the
SET. Record it below should you ever need
service.
MODEL
SERIAL
Declaration of Conformity
Trade Name: LG
Model : 25UM57,29UM57
Responsible Party: LG Electronics Inc.
Address : 1000 Sylvan Ave. Englewood Cliffs
NJ 07632 U.S.A
TEL: 201-266-2534
*above information is only for USA FCC Regulatory
