LG 25UM56 User manual

www.lg.com
25UM56
34UM56
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.

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Contents
CONTENTS
22 CUSTOMIZING SETTINGS
22 Activating the Main Menu
23 Customizing settings
23 - Menu Settings
23 - -Quick Settings
24 - -Picture
26 - -General
27 - -Reset
28 - -Game mode
30 TROUBLESHOOTING
32 SPECIFICATIONS
32 25UM56
33 34UM56
34 Factory support mode
34 HDMI Timing (Video)
34 Power Indicator
35 PROPER POSTURE
35 Proper Posture for Using the Monitor
3LICENSE
4ASSEMBLING AND
PREPARING
4Product Components
5Component and Button Description
6Component and Button Description
7Moving and Lifting the Monitor
8Installing the Monitor
8- Assembling the stand base
9- Using the cable holder
10 - Detaching the stand base
12 - Installing onto a table
13 - Adjusting the angle
14 - Using the Kensington lock
14 - Installing the wall mount plate
15 - Installing to a wall
16 USING THE MONITOR
16 Connecting to a PC
16 - DVI connection
16 - HDMI connection
17 Connecting to AV Devices
17 - HDMI connection
17 Connecting to External Devices
17 - Headphone port connection
18 INSTALLING THE LG
MONITOR SOFTWARE
18 Installing The Screen Split
20 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.
yAlways use genuine components to ensure safety and product performance.
yThe product warranty will not cover damage or injury caused by the use of counterfeit components.
yNote that the components may look different from those shown here.
yWithout prior notice, all information and specifications in this manual are subject to change to im-
prove the performance of the product.
yTo 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
Clear sheet
OPTIONAL ACCESSORIES
DVI-D Dual Cable
( This cable is not included in
all countries. )

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ASSEMBLING AND PREPARING
Component and Button Description
Power Indicator
yOn: power is on
yOff: power is off
Ports
(Power Button)

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ASSEMBLING AND PREPARING
Component and Button Description
Power Indicator
yOn: power is on
yOff: 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.
yAs 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.
yIt is advisable to place the monitor in the
original box or packing material before at-
tempting to move it.
yBefore moving or lifting the monitor, discon-
nect the power cord and all cables.
yHold the top and bottom of the monitor frame
firmly. Do not hold the panel itself.
yWhen holding the monitor, the screen should
face away from you to prevent it being
scratched.
yWhen moving the monitor, avoid any strong
shock or vibrations to the product.
yWhen moving the monitor, keep it upright,
never turn the monitor on its side or tilt it
sideways.
CAUTION
yIf 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.
Ports

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ASSEMBLING AND PREPARING
Installing the Monitor
Assembling the stand base
yTo protect the screen from scratches, cover
the surface with a soft cloth.
CAUTION
2Check 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 .
1Place the screen face down.
3
4Attach 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
25UM56

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ASSEMBLING AND PREPARING
yTo protect the screen from scratches, cover
the surface with a soft cloth.
CAUTION
2Check 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 .
1Place 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
4Attach 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
Using the cable holder
34UM56

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ASSEMBLING AND PREPARING
Detaching the stand base
2Remove the screw cover.
yTo protect the screen from scratches, cover
the surface with a soft cloth.
CAUTION
1Place the screen face down.
3Remove 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.
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2
Screws
Stand Body
25UM56

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ASSEMBLING AND PREPARING
2Remove the screw cover.
yTo protect the screen from scratches, cover
the surface with a soft cloth.
CAUTION
yIllustrations in this document represent typi-
cal procedures, so they may look different
from the actual product.
yDo 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.
yWhen 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
1Place the screen face down.
3Remove 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.
41
2
yThe components in the illustrations may dif-
fer from the actual product.
yDo not carry the monitor upside down, as this
may cause it to fall off its stand and result in
damage or injury.
yTo 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
34UM56

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ASSEMBLING AND PREPARING
Installing onto a table
1Lift 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.
2Connect 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
3Press the (Power) button on the bottom of
the monitor to turn it on.
yUnplug 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
1Place the monitor in an upright position, mount-
ed on the stand base.
2Adjust 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
yTo avoid injury to the fingers when adjusting
the screen, do not hold the lower part of the
monitor's frame as illustrated below.
WARNING
yBe 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.
1Place the screen face down. To protect the
screen from scratches, cover the surface with a
soft cloth.
2Attach the clear sheet to the back of the moni-
tor and align it with the screw holes.(34UM56)
3Place the wall mount plate onto the monitor
and align it with the screw holes.
4Tighten the four screws to fix the plate to the
monitor using a screwdriver.
yThe wall mount plate is sold separately.
yFor more information on installation, refer to
the wall mount plate's installation guide.
yBe careful not to use excessive force when
mounting the wall mount plate, as this can
damage the monitor's screen.
NOTE
yUse 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.
Clear sheet
(PET sheet)

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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.
1If you use screw longer than standard, the moni-
tor might be damaged internally.
2If 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
yUnplug the power cord before moving or in-
stalling the monitor to avoid electric shocks.
yInstalling 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.
yApplying 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.
yUse 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.
yScrew length from outer surface of back
cover should be under 8mm.
yUse the screws specified by the VESA stan-
dard.
yThe wall mount kit includes the installation
guide and all necessary parts.
yThe wall mounting bracket is optional. The
accessories can be purchased at your local
retail store.
yThe length of the screw may differ for each
wall mounting bracket. Ensure the correct
length screw is used.
yFor more information, please refer to the
user manual for the wall mounting bracket.
CAUTION
NOTE
Wall mount Pad
Wall mount Pad
Back Cover
Back Cover
Standard screw
Max.8mm
Wall Mount (A x B) 34UM56
75 x 75 100 x 100
Stand Screw M4 x 10 mm
Required Screws 4
25UM56

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USING THE MONITOR
USING THE MONITOR
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.
yHDMI PC may cause device compatibility
issues.
yUsing a DVI to HDMI cable may cause com-
patibility issues.
NOTE
Connecting to a PC
yThis 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.
DVI connection
Transmits digital video signals to the monitor. Con-
nect the monitor using the DVI cable as illustrated
below.
Press the menu button and then select the input
option from the input menu.
To hear the sound in DVI input mode, connect the
PC's AUDIO OUT port to the monitor's AUDIO IN
(PC) port using the audio cable that came with the
product.
(sold separately)

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USING THE MONITOR
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.
yUsing a DVI to HDMI cable may cause com-
patibility issues.
NOTE
Connecting to External Devices
Headphone port connection
Use the headphone port to connect a peripheral
device to the monitor. Connect as illustrated.
yDepending on the audio settings of the PC
and external device, headphone and speaker
functions may be limited.
NOTE
yFor 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
1Set 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.
2Click 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.)
yService Pack 1 or higher is required for
Windows 7 & Windows 8.
3Follow the instructions to proceed with the
installation.
4Check "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.
6When the installation is complete, restart your
system.
5The Screen Split installation starts as shown
below.
yScreen 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
1Set the default Web browser to Internet
Explorer.
2Click 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.)
yService Pack 1 or higher is required for
Windows 7 & Windows 8.1.
3Follow the instructions to proceed with the
installation.
4Check "I accept the terms of the agreement" on
the License Agreement screen and then click
the [Next] button.
CAUTION
5Click 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.