LG 25UB55 User manual

www.lg.com
25UM55
25UB55
29UM55
29UB55
IPS LED Monitor (LED Monitor) Model List
Please read this manual carefully before operating
your set and retain it for future reference.
Owner's Manual
IPS LED MONITOR
(LED MONITOR*)
*LG LED Monitors are LCD Monitors with LED Backlighting.

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Contents
CONTENTS
32 CUSTOMIZING SETTINGS
32 Activating the Main Menu
33 Customizing settings
33 - Menu Settings
33 - -Easy control
34 - -Function
35 - -PBP
36 - -Screen
37 - -Settings
38 - -Reset
39 - Reader Settings
40 TROUBLESHOOTING
42 SPECIFICATIONS
42 25UM55
43 25UB55
44 29UM55
45 29UB55
46 Factory support mode
(Preset Mode, DVI-D/HDMI/PC
DisplayPort)
46 HDMI Timing (Video)
46 Power Indicator
47 PROPER POSTURE
47 Proper Posture for Using the Monitor
3LICENSE
4ASSEMBLING AND
PREPARING
4Product Components
5Component and Button Description
9Moving and Lifting the Monitor
10 Installing the Monitor
10 - Assembling the stand base
13 - Using the cable holder
14 - Detaching the stand base
17 - Detaching the stand body
18 - Installing onto a table
19 - Adjusting the stand height
20 - Adjusting the angle
22 - Pivot feature
23 - Using the Kensington lock
23 - Installing the wall mount plate
24 - Installing to a wall
25 USING THE MONITOR
25 Connecting to a PC
25 - DVI connection
26 - DisplayPort connection
27 - HDMI connection
28 Connecting to AV Devices
28 - HDMI connection
29 Connecting to External Devices
29 - Headphone port connection
30 INSTALLING LG MONITOR
SOFTWARE

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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 Ad-
ministrator, Inc.
VESA, VESA logo, DisplayPort Compliance Logo and DisplayPort
Compliance Logo for dual-mode source are all registered trademarks of the
Video Electronics Standards Association.
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.
yThe DisplayPort cable may not be available in some areas.
CAUTION
NOTE
User Manual/Card
OPTIONAL ACCESSORIES
yThe DisplayPort cable may not
be available in some areas.
DisplayPort Cable
Stand Base
Stand Base
Stand Body Screw Cover Screws
HDMI Cable
One Screw Cable Holder
29UB5525UB55
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
yOn: power is on
yOff: power is off
Ports
(Power Button)

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ASSEMBLING AND PREPARING
29UM55
Power Indicator
yOn: power is on
yOff: power is off
Ports
(Power Button)

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ASSEMBLING AND PREPARING
5 5
Power Indicator
yOn: power is on
yOff: power is off
Ports
(Power Button)
Ports

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ASSEMBLING AND PREPARING
29UB55
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
29UM5525UM55
25UB55 29UB55
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.

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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.
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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

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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.
29UM55
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

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ASSEMBLING AND PREPARING
yTo protect the screen from scratches, cover
the surface with a soft cloth.
CAUTION
1Place the screen face down.
25UB55
Stand Base
Stand Body
3Using a coin, turn the screw clockwise to se-
cure the stand base.
2Check the position (at the front and rear) of
the stand body, then mount the stand base on
the stand body as shown in the figure.
yTo protect the screen from scratches, cover
the surface with a soft cloth.
CAUTION
1Place the screen face down.
29UB55
Stand Base
Stand Body
3Using a coin, turn the screw clockwise to se-
cure the stand base.
2Check the position (at the front and rear) of
the stand body, then mount the stand base on
the stand body as shown in the figure.

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ASSEMBLING AND PREPARING
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Using the cable holder
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Fix the Knob (Cable holder) to the
Hole(Stand Body).
1
2
3
Use one screw to fix the Cable Holder and
monitor set.
Close the Cable holder.
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Fix the Knob (Cable holder) to the
Hole(Stand Body).
1
2
3
Use one screw to fix the Cable Holder and
monitor set.
Close the Cable holder.
yThe holes are used for wall mount bracket.
yVaries depending upon your country or
model.
NOTE
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ENGLISH

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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.
25UM55
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

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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.
29UM55
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

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ASSEMBLING AND PREPARING
yTo protect the screen from scratches, cover
the surface with a soft cloth.
CAUTION
1Place the screen face down.
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2Turn the screw to the left using a coin.
Detach the stand base.
1
2
Stand Base
Stand Body
yTo protect the screen from scratches, cover
the surface with a soft cloth.
CAUTION
1Place the screen face down.
29UB55
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
2Turn the screw to the left using a coin.
Detach the stand base.
1
2
Stand Base
Stand Body

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ASSEMBLING AND PREPARING
29UB55
1Place the monitor's screen face down. To
protect the screen from scratches, cover the
surface with a soft cloth.
2Using a screwdriver, remove the four screws
and detach the stand from the monitor.
25UB55
Detaching the stand body
1Place the monitor's screen face down. To
protect the screen from scratches, cover the
surface with a soft cloth.
2Using a screwdriver, remove the four screws
and detach the stand from the monitor.

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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 100 mm away from the wall to
ensure sufficient ventilation.
2Connect the adapter to the monitor, then plug
the power cord into the power outlet.
25UM55
25UB55
29UM55
29UB55
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or
or
100 mm
100 mm
100 mm
100 mm
100 mm
100 mm
100 mm
100 mm

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ASSEMBLING AND PREPARING
yOnce the pin is removed, it is not necessary
to re-insert it to adjust the height.
Adjusting the stand height
2Remove the tape attached to the bottom
back of the stand body and then pull out the
locking pin while pressing the head down-
ward.
3The height can be adjusted up to 120.0 mm.
yDo not put your fingers or
hand between the screen
and the base (chassis) when
adjusting the screen's height.
Tape
Locking Pin
Stand Body
CAUTION
WARNING
1Stand the monitor assembled with the stand
base in an upright position
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130.0 mm
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120.0 mm
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
29UM55
29UB55
or
or
The height can be adjusted up to 130.0 mm.

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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.
29UM55
29UB55
02 5-
Front Side
Rear Side
Front Side
Rear Side
02 5-
-
Front Side
Rear Side
-
Front Side
Rear Side