LG 27UD88-W User manual

www.lg.com
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.
27UD88

ENGLISH
2
CONTENTS
3LICENSE
4ASSEMBLING AND
PREPARING
4 Product Components
5 Supported Drivers and Software
6 Component and Button Description
6 - How to Use the Joystick Button
7 Input Connector
8 Moving and Lifting the Monitor
9 Installing the Monitor
9 - Assembling the stand base
10 - Using the cable holder
11 - Installing onto a table
12 - Adjusting the angle
12 - Adjusting the Stand Height
13 - Pivot Feature
14 - Using the Kensington lock
14 - Detaching the Stand Body
14 - Installing the wall mount plate
15 - Installing to a wall
16 USING THE MONITOR
16 Connecting to a PC
16 - HDMI connection
16 - DisplayPort connection
16 - USB-C connection
17 Connecting to AV Devices
17 - HDMI connection
17 Connecting Peripherals
17 - USB Cable connection - PC
18 - Connecting Headphones
18 Service only port
19 USER SETTINGS
19 Activating the Main Menu
20 Customizing settings
20 - Menu Settings
20 - -Quick Settings
21 - -PBP
22 - -Picture
25 - -General
27 - -Reset
28 TROUBLESHOOTING
30 SPECIFICATIONS
30 27UD88
31 Factory Support Mode (Preset Mode, PC)
31 HDMI
31 DisplayPort/ USB-C
32 HDMI Timing (Video)
32 Power LED

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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 Administrator, 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 SuperSpeed USB Trident logo is a registered trademark of USB Implementers Forum, Inc.
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
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.
yIt is recommend that use the supplied components.
yIf you use generic cables not certified by LG, the screen may not display or there may be image noises.
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 improve 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
CD(Owner's Manual) /
Card
DisplayPort Cable USB C-C cable USB C-A cable
Stand Base Stand Body
HDMI Cable
Power Cord AC-DC Adapter
Cable Holder

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Supported Drivers and Software
You can download and install the latest version from the LGE website ( www.lg.com ).
Drivers and Software Installation Priority 27UD88
Monitor Driver Recommended O
OnScreen Control Recommended O
Dual Controller Optional O
TRUE COLOR PRO Optional O

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Component and Button Description
Power LED
yOn: power is on
yOff: power is off
Joystick Button
How to Use the Joystick Button
You can easily control the functions of the monitor by pressing the joystick button or moving it left/right with your finger.
Basic Functions
Power on Press the joystick button once with your finger to turn on the
monitor.
Power off Press and hold the joystick button once with your finger to turn off the monitor.
◄/►Volume
Control You can control the volume by moving the joystick button left/right.
yThe joystick button is located at the bottom of the monitor.
NOTE

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Input Connector

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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 transportation regardless of its shape or size.
yAs far as possible, avoid touching the monitor 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 attempting to move it.
yBefore moving or lifting the monitor, disconnect 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.
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.
CAUTION

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Installing the Monitor
Assembling the stand base
yTo protect the screen from scratches, cover the
surface with a soft cloth.
CAUTION
1
3
4
2
Stand Body
Stand Base yPress the stand until the button reaches the top.
NOTE
or

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yIllustrations in this document represent typical
procedures, so they may look different from the
actual product.
yApplying excessive force when tightening screws
may cause damage to the monitor. Damage caused in
this way will not be covered by the product warranty.
yDo not carry the monitor upside down by just holding
the 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. The force applied to the monitor
screen may cause damage to it.
CAUTION
Using the cable holder
Cable Holder
Arrange the cables using the cable holder as shown in the
illustration.
yYou can disassemble the stand in the reverse order of
the assembly.
NOTE

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2
1
3
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.
Cautions When Connecting Power Cord
2Connect the power adapter to the monitor and then plug
the power cord into the wall outlet.
100 mm
100 mm
100 mm
100 mm
yUnplug the power cord prior to moving or installing
the monitor. There is risk of electric shock.
yMake sure to use the power cord that is provided in
the product package and connect it to a grounded
power outlet.
yIf you need another power cord, please contact your
local dealer or the nearest retail store.
CAUTION
3Press the joystick button on the bottom of the monitor
to turn on the monitor.
100-240 V ~

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Adjusting the angle
1Place the monitor in an upright position, mounted on the
stand base.
Adjusting the Stand Height
1Handle the monitor with both hands for safety.
2The height can be adjusted up to 110.0 mm.
2Adjust the angle of the screen. The angle of the screen
can be adjusted forwards or backwards for a comfortable
viewing experience.
Front SideRear 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.
110.0 mm
yDo not put your fingers or hand
between the screen and the base
(chassis) when adjusting the
screen's height.
WARNING

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3 Rotate the monitor clockwise as shown in the figure.
4 Complete the installation by rotating the monitor 90° as
shown below.
Pivot Feature
The pivot feature allows the monitor to rotate 90° clockwise.
1 Raise the monitor to the maximum height.
2 Adjust the angle of the monitor in the direction of the ar-
row as shown in the figure.
Stand
Head
WARNING
yTo avoid scratching the stand base, make sure that
when rotating the monitor using the pivot feature, the
stand does not make contact with the monitor.
yAuto Pivot feature of the display is not supported.
yThe screen can be rotated easily using the screen
pivot shortcut key provided with your Windows op-
erating system. Note that some Windows versions
and some graphics card drivers may use different
settings for the screen pivot key or may not sup-
port the pivot key at all.
yWindows screen pivot shortcut keys
-0°: Ctrl + Alt + Up arrow key (↑)
-90°: Ctrl + Alt + Left arrow key (←)
-180°: Ctrl + Alt + Down arrow key (↓)
-270°: Ctrl + Alt + Right arrow key (→)
NOTE

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Installing the wall mount plate
This monitor supports the specification of the standard wall
mount plate or compatible device.
1Place the screen face down. To protect the screen from
scratches, cover the surface with a soft cloth.
2Place the wall mount plate onto the monitor and align it
with the screw holes.
3Tighten the four screws to fix the plate to the monitor
using a screwdriver.
1Place the monitor’s screen face down. To protect the
screen from scratches, cover the surface with a soft
cloth.
2Remove the stand from the monitor by pressing the but-
ton on the bottom center of the back of the monitor.
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 located 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.
yTake care when rotating the monitor if the cable is
connected.
yTo avoid injury when rotating the display, do not place
your fingers between the display and the stand base.
Detaching the Stand Body
WARNING

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To install the monitor to a wall, attach a wall mounting 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 monitor 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 100 mm away from the wall
and leave about 100 mm of space at each side of the
monitor to ensure sufficient ventilation. Detailed instal-
lation instructions can be obtained from your local retail
store. Please refer to the manual to install and set up a
tilting wall mounting bracket.
100 mm
100 mm
100 mm 100 mm
yUnplug the power cord before moving or installing
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 monitor. 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. Damage caused by
the use or misuse of inappropriate 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 standard.
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
yWall Mount (A x B)
A
B
Wall Mount (A x B) 100 x 100
Standard screw M4 x L10
Number of screws 4
Wall Mount Plate
(Optional)
RW120

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USING THE MONITOR
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.
DP OUT
DisplayPort connection
Transmits the digital video and audio signals from your
PC to the monitor. Connect your PC to the monitor us-
ing the DisplayPort cable as illustrated below.
Press the menu button and then select the input option from
the input menu.
USB-C connection
Transmits digital video and audio signals and USB data from
your PC to the monitor.
Connect the monitor to your PC using the USB-C cable as
shown in the illustration below.
Press the menu button and then select the input option from
the input menu.
yThere may be no video or audio output depending on
the DP version of the PC.
yIf you use generic cables not certified by LG, the screen
may not display or there may be image noises.
NOTE
HDMI connection
Transmits the digital video and audio signals from your PC
and A/V devices to the monitor. Connect your PC and AV de-
vice to the monitor with the HDMI cable as illustrated below.
Press the menu button and then select the input option from
the input menu.
(USB C-A cable)
(Data Only)
(USB C-C cable)
NOTE
yIf you use HDMI PC, it can cause compatibility problem.
yUse a certified cable with the HDMI logo attached. If
you do not use a certified HDMI cable, the screen may
not display or a connection error may occur.
yRecommended HDMI cable types
- High-Speed HDMI®/TM Cable
- High-Speed HDMI®/TM Cable with Ethernet
NOTE
yPD(Power Delivery), DP Alternate Mode(DP over
USB-C) and USB Data are supported via USB-C Port.
yFeatures may not work properly depending on the
connected device’s specifications and the environment.
yUSB-C port is not for the Monitor Power source but
for a PC power source.
Connect Adapter to supply power to the Monitor

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(sold separately)
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 de-
vice to the monitor with the HDMI cable as illustrated below.
Press the menu button and then select the input option from
the input menu.
Connecting Peripherals
USB Cable connection - PC
The USB port on the product functions as a USB hub.
Please connect the USB C-C or USB C-A cable to the PC.
NOTE
yIf you use HDMI PC, it can cause compatibility problem.
yUse a certified cable with the HDMI logo attached. If
you do not use a certified HDMI cable, the screen may
not display or a connection error may occur.
yRecommended HDMI cable types
- High-Speed HDMI®/TM Cable
- High-Speed HDMI®/TM Cable with Ethernet
NOTE
yMake sure to install the most recent Windows OS
service pack before using the product.
yPeripheral devices are sold separately.
yA keyboard, mouse, or USB device can be connected to
the USB port.
yWhen Quick Charge is set to On , data transmission
through the USB1/2 port is not available (e.g.
connecting your keyboard, mouse, or other USB
storage devices to the monitor). (Go to General >
Quick Charge to set Quick Charge to On or Off .)
yThe charging speed may vary depending on the device.
Cautions When Using a USB Device
yA USB device with an automatic recognition
program installed, or that uses its own driver, may
not be recognized.
ySome USB devices may not be supported or may
not work properly.
yIt is recommended to use a USB hub or hard disk
drive with power supplied. (If the power supply
is not adequate, the USB device may not be
recognized properly.)
yIf Quick Charge is off and the upstream Port is
not connected with Host PC, monitor may not
support ‘Charge’ .
CAUTION

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Service only port
(sold separately)
Connecting Headphones
Connect peripherals to the monitor via the headphones port.
Connect as illustrated. The port is used only for “Service”.
yPeripheral devices are sold separately.
yIf you use angled earphones, it may cause a problem
with connecting another external device to the
monitor. Therefore, it is recommended to use straight
earphones.
yDepending on the audio settings of the PC and
external device, headphones and speaker functions
may be limited.
NOTE
Angled Straight
SERVICE ONLY

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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 Enters the input feature.
▲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 You can change Picture Mode to a gaming mode.
Input Sets input mode.
Monitor off Turns off the monitor.
Exit Exits the main menu.
USER 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.
Joystick Button

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Each option is described below.
Customizing settings
Menu Settings
-Quick Settings
1 To view the OSD menu, press the joystick button at the bot-
tom 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
yYou can adjust Mute/ Unmute by moving the joystick button to ▼in the Volume menu.
Input Selects the current 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.
1:1 The aspect ratio is not adjusted from the original.
NOTE
yThe display may look the same for Wide, Original, and 1:1 options at the recommended resolution.
yThe ratio is disabled in the interlaced signal.
Quick Charge