LG 34UM57 IPS LED Monitor Owner’s Manual

: June 16, 2024
: LG

34UM57 IPS LED Monitor

Product Information

Specifications

Model: 34UM57
Monitor Type: IPS LED (LCD Monitor with LED Backlighting)
Website: https://manual-hub.com/
Manufacturer’s Website: www.lg.com

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.

Optional Accessories

CD (Owner’s Manual) / Card
Display Port Cable (may not be available in some areas)
Power Cord
AC-DC Adapter (depending on the country)
HDMI Cable (depending on the country; not included in all
countries)
Clear sheet
Stand Base
Stand Body
Screw Cover
Screws

CAUTION: Always use genuine components to
ensure safety and product performance. The product warranty will
not cover damage or injury caused by the use of counterfeit
components.

NOTE: Note that the components may look
different from those shown here. Without prior notice, all
information and specifications in this manual are subject to change
to improve product performance.

Installing the Monitor

Assembling the Stand Base

To assemble the stand base, follow these steps:

Place the stand body on a flat surface.
Align the stand base with the stand body and slide it into
place.
Tighten the screws to secure the stand base.

Using the Cable Holder

The cable holder helps organize and manage cables. To use the
cable holder, follow these steps:

Attach the cable holder to the back of the monitor.
Route the cables through the cable holder for a neat and
organized setup.

Detaching the Stand Base

If you wish to detach the stand base, follow these steps:

Remove any cables connected to the monitor.
Place the monitor face down on a soft surface to prevent
scratches.
Remove the screws that secure the stand base to the
monitor.
Lift the stand base away from the monitor.

Installing onto a Table

To install the monitor onto a table, follow these steps:

Place the monitor on a stable and level surface.
Align the stand base with the monitor and slide it into
place.
Tighten the screws to secure the stand base to the
monitor.

Adjusting the Angle

You can adjust the angle of the monitor for optimal viewing
comfort. To adjust the angle, follow these steps:

Hold the monitor with one hand and use the other hand to grasp
the top or bottom edge of the monitor frame.
Gently tilt the monitor forward or backward to the desired
angle.

Using the Kensington Lock

The Kensington lock allows you to secure the monitor to a desk
or other fixed object. To use the Kensington lock, follow these
steps:

Attach the Kensington lock cable to the Kensington lock slot on
the monitor.
Secure the other end of the cable to a desk or other fixed
object.

Installing the Wall Mount Plate

If you wish to mount the monitor on a wall, follow these
steps:

Remove any cables connected to the monitor.
Place the monitor face down on a soft surface to prevent
scratches.
Remove the screws that secure the stand base to the
monitor.
Attach the wall mount plate to the back of the monitor using
the provided screws.

Using the Monitor

Connecting to a PC

To connect the monitor to a PC, follow these steps:

DisplayPort Connection

To connect using DisplayPort, follow these steps:

Locate the DisplayPort connector on both the monitor and your
PC.
Connect one end of the DisplayPort cable to the DisplayPort
connector on the monitor.
Connect the other end of the DisplayPort cable to the
DisplayPort connector on your PC.

HDMI Connection

To connect using HDMI, follow these steps:

Locate the HDMI port on both the monitor and your PC.
Connect one end of the HDMI cable to the HDMI port on the
monitor.
Connect the other end of the HDMI cable to the HDMI port on
your PC.

Connecting to AV Devices

To connect the monitor to AV devices, follow these steps:

HDMI Connection

To connect using HDMI, follow these steps:

Locate the HDMI port on both the monitor and your AV
device.
Connect one end of the HDMI cable to the HDMI port on the
monitor.
Connect the other end of the HDMI cable to the HDMI port on
your AV device.

Connecting Headphones

You can connect headphones to the monitor for private audio
listening. To connect headphones, follow these steps:

Locate the headphone jack on the monitor.
Plug your headphones into the headphone jack.

Installing the LG Monitor Software

Installing The Screen Split

The Screen Split software allows you to divide the monitor
screen into multiple sections for multitasking. To install Screen
Split, follow these steps:

Insert the CD (Owner’s Manual) into your computer’s CD drive or
download the software from the provided website.
Follow the on-screen instructions to install the software.

Installing The Dual Controller

The Dual Controller software allows you to control multiple
monitors with a single mouse and keyboard. To install Dual
Controller, follow these steps:

Insert the CD (Owner’s Manual) into your computer’s CD drive or
download the software from the provided website.
Follow the on-screen instructions to install the software.

User Settings

Customizing Settings

You can customize various settings on the monitor. To access the
menu settings, follow these steps:

To access the menu settings, follow these steps:

Press the Menu button on the monitor.
Use the joystick button to navigate through the menu
options.
Press the joystick button to select a menu option.
Adjust the settings as desired using the joystick button.
Press the Menu button to exit the menu.

Quick Settings

Quick settings allow you to quickly adjust commonly used
settings. To access the quick settings, follow these steps:

Press the Quick Settings button on the monitor.
Use the joystick button to navigate through the quick settings
options.
Press the joystick button to select a quick setting.
Adjust the setting as desired using the joystick button.
Press the Quick Settings button to exit the quick
settings.

PBP (Picture-by-Picture)

PBP allows you to display content from two different sources
simultaneously. To use PBP, follow these steps:

Press the Menu button on the monitor.
Navigate to the PBP menu option using the joystick button.
Press the joystick button to select the PBP menu option.
Select the desired PBP mode from the available options.
Adjust the settings as desired using the joystick button.
Press the Menu button to exit the menu.

Picture

The Picture menu allows you to adjust picture-related settings.
To access the Picture menu, follow these steps:

Press the Menu button on the monitor.
Navigate to the Picture menu option using the joystick
button.
Press the joystick button to select the Picture menu
option.
Adjust the picture settings as desired using the joystick
button.
Press the Menu button to exit the menu.

General

The General menu allows you to adjust general settings. To
access the General menu, follow these steps:

Owner’s Manual
IPS LED MONITOR (LED MONITOR*)

*LG LED Monitors are LCD Monitors with LED Backlighting. Please read the safety information carefully before using the product. IPS LED Monitor (LED Monitor) Model List
34UM57

www.lg.com

ENEGNLGISH

2 Contents
CONTENTS
3 LICENSE
4 ASSEMBLING AND
PREPARING
4 Product Components 5 Component and Button Description 6 – How to Use the Joystick Button 7 Moving and Lifting the Monitor 8 Installing the Monitor 8 – Assembling the stand base 8 – Using the cable holder 9 – Detaching the stand base 10 – Installing onto a table 11 – Adjusting the angle 12 – Using the Kensington lock 12 – Installing the wall mount plate 13 – Installing to a wall
14 USING THE MONITOR
14 Connecting to a PC 14 – DisplayPort connection 14 – HDMI connection 15 Connecting to AV Devices 15 – HDMI connection 15 Connecting to External Devices 15 – Connecting Headphones
16 INSTALLING THE LG
MONITOR SOFTWARE
16 Installing The Screen Split 18 Installing The Dual Controller

20 USER SETTINGS
21 Customizing settings 21 – Menu Settings 21 – -Quick Settings 22 – -PBP 23 – -Picture 25 – -General 26 – -Reset 27 – -Game mode
29 TROUBLESHOOTING
31 SPECIFICATIONS
31 34UM57 32 Factory support mode
(HDMI/ DisplayPort) 32 HDMI Timing (Video) 32 Indicator
33 PROPER POSTURE
33 Proper Posture for Using the Monitor

ENEGNLGISH

LICENSE 3
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. VESA, VESA logo, Display Port Compliance Logo and Display Port 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”.

ENEGNLGISH

4 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.
OPTIONAL ACCESSORIES

CD(Owner’s Manual) / Card

Display Port Cable
The DisplayPort cable may not be available in some areas.

or

Power Cord

AC-DC Adapter

( Depending on the country )

AC-DC Adapter HDMI Cable ( Depending on ( This cable is not in-
the country ) cluded in all countries. )

Clear sheet

Stand Base

Stand Body

Screw Cover

Screws

CAUTION
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.
NOTE 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. y The DisplayPort cable may not be available in some areas.

ENEGNLGISH

ASSEMBLING AND PREPARING 5
Component and Button Description
Power Indicator y On: power is on y Off: power is off (Power Button)
Ports

ENEGNLGISH

6 ASSEMBLING AND PREPARING

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.

NOTE y The joystick button is located at the bottom of the monitor.

ENEGNLGISH

ASSEMBLING AND PREPARING 7

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.
y It is advisable to place the monitor in the original box or packing material before attempting to move it.
y Before moving or lifting the monitor, disconnect the power cord and all cables.
y Hold the top and bottom of the monitor frame firmly. Do not hold the panel itself.

CAUTION
y As 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.

y When holding the monitor, the screen should face away from you to prevent it being scratched.

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.

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.

ENEGNLGISH

8 ASSEMBLING AND PREPARING

Installing the Monitor
Assembling the stand base
1 Place the screen face down.
CAUTION y To protect the screen from scratches, cover
the surface with a soft cloth.
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 .
Screws

4 Attach the screw cover.
Screw Cover
CAUTION Applying excessive force when tightening the screws may cause damage to the monitor. Damage caused in this way will not be covered by the product warranty.

Stand Body Stand Hinge
3 1 Attach the Stand Base to Stand Body.
2 Tighten the screw to the right.

CAUTION It may hurt your foot off the stand, so be careful.
Using the cable holder

Stand Body

Stand Base

ENEGNLGISH

ASSEMBLING AND PREPARING 9

Detaching the stand base
1 Place the screen face down. CAUTION
y To protect the screen from scratches, cover the surface with a soft cloth.
2 Remove the screw cover.

4 1 Turn the screw to the left.
2 Pull out the Stand Base.
Stand Body

Screw cover

Stand Base

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
Stand Body

CAUTION
y Illustrations in this document represent typical 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
y The components in the illustrations may differ 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 unnecessary pressure on the screen.

ENEGNLGISH

10 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
or
10 cm

10 cm

3 Press the (Power) button on the bottom of
the monitor to turn it on.
CAUTION
y Unplug the power cord prior to moving or installing the monitor. There is risk of electric shock.

ENEGNLGISH

ASSEMBLING AND PREPARING 11

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.

WARNING
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.

Rear Side

Front Side

y Be careful not to touch or press the screen area when adjusting the angle of the monitor.

ENEGNLGISH

12 ASSEMBLING AND PREPARING

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.

Installing the wall mount plate
This monitor supports the specification of the standard 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 Attach the clear sheet to the back of the moni-
tor and align it with the screw holes.
3 Place the wall mount plate onto the monitor
and align it with the screw holes.
4 Tighten the four screws to fix the plate to the
monitor using a screwdriver.

Clear sheet (PET sheet)

NOTE
y Use of the Kensington lock is optional. The accessories can be purchased at your local electronics store.

NOTE
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.

ENEGNLGISH

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. Detailed 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

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.

1 If you use screw longer than standard, the monitor 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.

Model

34UM57

Wall Mount 100 x 100 (A x B)

Standard screw

M4 x L10

Number of screws

4

Wall Mount Plate (Optional)

RW120

M4 x L10 4
LSW140

ASSEMBLING AND PREPARING 13
y Wall Mount (A x B)
AB
CAUTION 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 monitor. 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. Damage caused by the use or misuse of inappropriate components will not be covered by the product warranty. y Screw length from outer surface of back cover should be under 8mm.
Wall mount Pad
Back Cover
Wall mount Pad Back Cover
Standard screw
Max.8mm
NOTE 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.

ENEGNLGISH

14 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.
DisplayPort connection
Transmits the digital video and audio signals from your PC to the monitor. Connect your PC to the monitor using the display port cable as illustrated below. Press the menu button and then select the input option from the input menu.

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.

(sold separately)
NOTE y There may be no video or audio output de-
pending on the DP version of the PC. y The DisplayPort cable may not be available
in some areas.

NOTE
y If you use HDMI PC, it can cause compatibility problem.
y Use 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.
y Recommended HDMI cable types – High-Speed HDMI®/TM Cable – High-Speed HDMI®/TM Cable with Ethernet

ENEGNLGISH

USING THE MONITOR 15

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.

Connecting to External Devices
Connecting Headphones
Connect peripherals to the monitor via the headphones port. Connect as illustrated.

(sold separately)

NOTE
y If you use HDMI PC, it can cause compatibility problem.
y Use 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.
y Recommended HDMI cable types – High-Speed HDMI®/TM Cable – High-Speed HDMI®/TM Cable with Ethernet

NOTE
y Peripheral devices are sold separately. y If 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.

Angled

Straight

y Depending on the audio settings of the PC and external device, headphones and speaker functions may be limited.

ENEGNLGISH

16 INSTALLING LG Monitor Software

INSTALLING THE LG MONITOR SOFTWARE

Installing The Screen Split

Insert the software CD included in the product packaging into your PC’s CD drive and install the Screen Split. The installation screen images are for reference only. The actual installation screen images may vary depending on the model.

1 Set the default Web browser to Internet
Explorer.

3 Follow the instructions to proceed with the
installation.

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.)

4 Check “I accept the terms of the agreement” on
the License Agreement screen and then click the [Next] button.

CAUTION y Service Pack 1 or higher is required for
Windows 7 & Windows 8.

ENEGNLGISH

INSTALLING LG Monitor Software 17

5 The Screen Split installation starts as shown
below.

6 When the installation is complete, restart your
system.

NOTE
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 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.

ENEGNLGISH

18 INSTALLING LG Monitor Software

Installing The Dual Controller
Insert the software CD included in the product packaging into your PC’s CD drive and install the Dual Controller. The installation screen images are for reference only. The actual installation screen images may vary depending on the model.

1 Set the default Web browser to Internet
Explorer.

3 Follow the instructions to proceed with the
installation.

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.)

4 Check “I accept the terms of the agreement” on
the License Agreement screen and then click the [Next] button.

CAUTION
y Service Pack 1 or higher is required for Windows 7 & Windows 8.1.

5 Click the install button.

ENEGNLGISH

INSTALLING LG Monitor Software 19

6 The Dual Controller installation starts as shown
below.

7 When the installation is complete, restart your
system.

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.

ENEGNLGISH

20 User Settings
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

Button

Menu Status Main menu disabled

Description 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 PBP 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 Menu Game Mode PBP Monitor off Exit

Description
Configures the screen settings. Optimizes the screen for game mode. Displays the screens of two input modes on one monitor. Turns off the monitor.
Exits the main menu.

ENEGNLGISH

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.

User Settings 21

Each option is described below.

Menu > Quick Settings Brightness Contrast Volume

Description Adjusts the color contrast and brightness of the screen. Adjusts the volume.

NOTE

y Jog joystick button down ( ) in the Volume menu will enable/disable the Mute function.

Input Ratio

Selects the current input mode.

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.

ENEGNLGISH

22 User Settings
-PBP
1 To view the OSD menu, press the joystick button at
the bottom of the monitor and then enter the Menu.
2 Go to PBP 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 > PBP Sub Sound Out Swap Sub Full Ratio

Description

Selects the video signal input of the sub screen.

Sound Out have three options:HDMI1, HDMI2, DP.

Toggles between the main screen and sub screen in PBP mode.

Converts the sub screen of PBP mode to the wide screen.

Adjusts the aspect ratio of the main screen or sub screen.

Main Wide

Displays the video to fit the PBP screen, regardless of the video signal input.

Original Displays the video in the aspect ratio of the video signal input on the PBP screen.

Sub Wide

Displays the video to fit the PBP screen, regardless of the video signal input.

Original Displays the video in the aspect ratio of the video signal input on the PBP screen.

ENEGNLGISH

-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.

User Settings 23

Each option is described below.

Menu > Picture Picture Mode Custom
Photo Cinema Reader 1
Reader 2
Game Mode Gamer
FPS 1 FPS 2
RTS Off

Description
Allows the user to adjust each element. The color mode of the main menu can be adjusted.
Optimizes the screen to view photos.
Optimizes the screen to improve the visual effects of a video.
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.
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.
Brightness, Contrast, Sharpness, Gamma, Color Temp, Black Stabilizer, Response Time, DAS Mode functions can be customized as Gamer.
Game Mode functions are optimized for FPS games.
The Black Stabilizer value is greater than that of FPS 1. It is suitable for very dark FPS games.
Game Mode functions are optimized for RTS games.
Turns Game Mode off.

ENEGNLGISH

24 User Settings

Picture Adjust Black Stabilizer
Sharpness Black Level
Response Time

Color Adjust

Gamma Color Temp

Red Green Blue Six Color

Reset

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.

Adjusts the sharpness of the screen.

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.

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 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.

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.

Custom Allows the user to adjust each element. The color mode of the main menu can be adjusted.

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.

You can customize the picture color using Red, Green, and Blue colors.

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, CyanHue, Cyan Saturation, Magenta_Hue, Magenta_Saturation, Yellow_Hue, Yellow_Saturation, Reset ) 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.
Returns the color settings to the default settings.

ENEGNLGISH

-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.

User Settings 25

Each option is described below.

Menu > General Language SMART ENERGY SAVING
DAS Mode
Power LED
Automatic Standby FreeSync

Description

To choose the language in which the control names are displayed.

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 .

On

You can enjoy faster game ensuring your commands appear onscreen with-

out delay. (The screen flickers when turning DAS Mode on/off.)

Off

Turns DAS Mode off.

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 turned off.

The monitor will automatically switch to standby mode after a certain period.

FreeSync is what gamers have been waiting for a solution that eliminates screen tearing without all the usual lag and latency.

On

FreeSync function on.

Off

FreeSync function off.

NOTE

It is recommended to use a video card that supports FreeSync function. Recommended Interface : DisplayPort For more information, refer to AMD website at http://www.amd.com/FreeSync

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, Contrast, Volume, Input, and General are disabled.

Off

Key input is enabled.

ENEGNLGISH

26 User 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 Do you want to reset your settings? Reset Cancel

Returns to the default settings. Cancel the select.

Description

-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.

User Settings 27

ENEGNLGISH

ENEGNLGISH

28 User Settings

Each option is described below.

Joystick Button > Game Mode
Game Mode Gamer Brightness

Description Adjusts the color contrast and brightness of the screen.

Contrast Sharpness

Adjusts the sharpness of the screen.

Gamma Color Temp

“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.”
Custom Allows the user to adjust each element. The color mode of the main menu can be adjusted.
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.

Black Stabilizer Response Time

“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.”
“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 Middle Low

Sets the response time to High. Sets the response time to Middle. Sets the response time to Low.

DAS Mode

Off

Does not use the response time improvement feature.

On

You can enjoy faster game ensuring your commands appear

onscreen without delay. (The screen flickers when turning DAS

Mode on/off.)

FPS 1 FPS 2

Off

Turns DAS Mode off.

Game Mode functions are optimized for FPS games.

The Black Stabilizer value is greater than that of FPS 1. It is suitable for very dark FPS games.

RTS Off

Game Mode functions are optimized for RTS games. Turns Game Mode off.

ENEGNLGISH

TROUBLESHOOTING 29

TROUBLESHOOTING

Nothing is displayed on the screen.

Is the monitor’s power cord plugged y Check if the power cord is correctly plugged in to the power outlet. in?

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?
Is the “OUT OF RANGE” message displayed?
Is the “CHECK SIGNAL CONNECTION” message is displayed?

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. 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 appropriate frequency. y This is displayed when the signal cable between the PC and the monitor 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.

NOTE
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 horizontal cycle. This is called horizontal frequency and is represented by kHz.

ENEGNLGISH

30 TROUBLESHOOTING

NOTE
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 2560×1080 resolution. If the resolution cannot be displayed, contact the manufacturer of your video card.

The display color is abnormal. Does the display appear discolored (16 color)?
Does the display color appear unstable or in monochrome?
Are there spots on the screen?

y Set the color to 24 bit (true color) or higher. In Windows, go to Control Panel > Display > Settings > Color Quality.
y Check if the signal cable is connected properly. Reconnect the cable or reinsert the PC’s video card.
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.

ENEGNLGISH

SPECIFICATIONS 31

SPECIFICATIONS
34UM57

LCD Screen
Resolution Video Signal
Input Connector Power
AC/DC adaptor
Environmental Conditions Stand Angle Adjustment Dimension
Weight (Without Packaging)

Type

TFT (Thin Film Transistor) LCD (Liquid Crystal Display) Screen

Pixel Pitch

0.312(H) mm x 0.310(V) mm

Maximum Resolution

2560 x 1080 @ 60 Hz

Recommended Resolution 2560 x 1080 @ 60 Hz

Horizontal Frequency

30 kHz to 90 kHz

Vertical Frequency

HDMI:(AV)25Hz to 60 Hz (PC)56Hz to75 Hz
DP: 56 Hz to 75 Hz

Synchronization

Separate Sync.

HDMI IN1, HDMI IN2 , DP(DisplayPort) IN, H/P

Voltage

19 V 2.0 A

Power consumption (Typ.) On mode: 36 W (ENERGY STAR® standard)* Sleep Mode 0.5 W Off Mode 0.5 W

Type ADS-45SN-19-3 19040G,SHENZHEN HONOR ELECTRONIC production Or type LCAP21C,LIEN CHANG ELECTRONIC ENTERPRISE production Or type LCAP26B-E, LIEN CHANG ELECTRONIC ENTERPRISE production Output: 19 V 2.1 A

Operating Condition

Temperature: 0°C to 40°C; Humidity: < 80%

Storing Condition

Temperature: -10°C to 60°C; Humidity: < 85%

Forwards/Backwards: -5° to 20° (Head)

Monitor Size (Width x Height x Depth)

With Stand

83.0 cm x 46.1 cm x 21.3 cm

Without Stand

83.0 cm x 38.2 cm x 6.6 cm

6.4 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. ENERGY STAR® is a US registered mark of the United States Environmental Protection Agency.

ENEGNLGISH

32 SPECIFICATIONS

Factory support mode (HDMI/ DisplayPort)

Display Modes (Resolution)

Horizontal Frequency(kHz)

720 x 400

31.468

640 x 480

31.469

640 x 480

37.5

800 x 600

37.879

800 x 600

46.875

1024 x 768

48.363

1024 x 768

60.123

1152 x 864

67.5

1280 x 720

45

1280 x 1024

63.981

1280 x 1024

79.976

1600 x 900

60

1680 x 1050

65.290

1920 x 1080

67.5

2560 x 1080

66.7

1280 x 1080 (PBP only)

67.5

Vertical Frequency(Hz) 70.08 59.94 75 60.317 75 60 75.029 75 60
60.02
75.025
60
59.954
60
60
60

Polarity(H/V) Remarks
-/+ -/-/+/+ +/+ -/+/+ +/+ +/+ +/+ +/+ +/+ -/+ +/-/+ -/+

HDMI Timing (Video)

Factory support mode (Preset Mode)
480P 576P 720P 720P 1080P 1080P

Horizontal Frequency(kHz)
31.50 31.25 37.50 45.00 56.25 67.50

Vertical Frequency(Hz)
60 50 50 60 50 60

Remarks

Indicator
Mode On Mode Sleep Mode Off Mode

LED Color White (Only 15 seconds) Blinking White Off

ENEGNLGISH

PROPER POSTURE 33
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.

Adjust the angle
So that there is no reflection or glare from the screen.

Place your hands gently on the keyboard, keeping your arms bent at the elbows and extended horizontally in front
of you.

Declaration of Conformity Trade Name: LG Model : 34UM57 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

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

ENERGY STAR is a set of power-saving guidelines issued by the U.S.Environmental Protection Agency(EPA).
As an ENERGY STAR Partner LGE U. S. A.,Inc. has determined that this product meets the ENERGY STAR guidelines for energy efficiency.
Refer to ENERGY STAR.gov for more information on the ENERGY STAR program.