OWNER’S MANUAL

LED LCD MONITOR

(LED Monitor*)

* LG LED Monitor applies LCD screen with LED backlights.

Please read this manual carefully before operating your set and retain it for future reference.

34WL750 www.lg.com

Copyright © 2019 LG Electronics Inc. All Rights Reserved.

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TABLE OF CONTENTS

LICENSE ...................................................... 2

ASSEMBLING AND PREPARING .................. 3

USING THE MONITOR .................................. 8

USER SETTINGS ........................................ 10

TROUBLESHOOTING ................................. 20

PRODUCT SPECIFICATION ......................... 22

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. in the United States and other countries.

VESA, VESA logo, DisplayPort compliance logo and DisplayPort compliance logo for dual-mode source devices are all registered trademarks of the Video Electronics Standards Association.

ASSEMBLING AND PREPARING

CAUTION

• Always use genuine LG components to ensure safety and product performance.

• The product warranty will not cover damage or injury caused by the use of unauthorized components.

• It is recommended to use the supplied components.

• If you use generic cables not certified by LG, the screen may not display or there may be image problems.

• Illustrations in this document represent typical procedures, so they may look different from the actual product.

• Do not apply foreign substances (oils, lubricants, etc.) to the screw parts when assembling the product. (Doing so may damage the product.)

• Applying excessive force when tightening screws may cause damage to the monitor. Damage caused in this way will not be covered by the product warranty.

• Do 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.

• When lifting or moving the monitor, do not touch the monitor screen. The force applied to the monitor screen may cause damage to it.

• For wave pattern on appearance, unlike the general method of coating, it’s applied to added glittering material in raw material.With no peeled-off appearance, it has good durability. Please use it with confidence because there is no problem in using the product at all.

NOTE

• The components may look different from those illustrated here.

• Without prior notice, all product information and specifications contained in this manual are subject to change to improve the performance of the product.

• To purchase optional accessories, visit an electronics store or an online shopping site, or contact the retailer from which you purchased the product.

• The power cord provided may differ depending upon the region.

Supported Drivers and Software

You can download and install the latest version from the LGE website ( www.lg.com

).

Drivers and Software Installation Priority

Monitor Driver

OnScreen Control

Dual Controller

Recommended

Recommended

Optional

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Product and Button Description 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.

• Place the monitor in the original box or packing material before attempting to move it.

• Before moving or lifting the monitor, disconnect the power cord and all other cables.

• Hold the bottom and side of the monitor frame firmly. Do not hold the panel itself.

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

• When transporting the monitor, do not expose the monitor to shock or excessive vibration.

• When moving the monitor, keep it upright and never turn the monitor on its side or tilt it sideways.

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/up/ down 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 more than 5 seconds with your finger to turn off the monitor.

Volume control

You can control the volume by moving the joystick button left/right.

NOTE

• The joystick button is located at the bottom of the monitor.

CAUTION

• Avoid touching the monitor screen as much as possible.

This may result in damage to the screen or some of the pixels used to create images.

• 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.

Installing on a Table

• Lift the monitor and place it on the table in an upright position. Place the monitor at least 100 mm (3.94 inches) away from the wall to ensure sufficient ventilation.

Adjusting the Stand Height

1 Place the monitor mounted on the stand base in an upright position.

2 Handle the monitor with both hands for safety.

100 mm

(3.94 inches) 100 mm

(3.94 inches)

Max 120.0 mm

(4.7 inches)

100 mm

(3.94 inches)

100 mm

(3.94 inches)

CAUTION

• Unplug the power cord before moving or installing the monitor. There is risk of electric shock.

• Make sure to use the power cord that is provided in the product package and connect it to a grounded power outlet.

• If you need another power cord, please contact your local dealer or the nearest retail store.

WARNING

• When adjusting the screen height, do not place your hand on the stand body to avoid injury to your fingers.

Adjusting the Angle

1 Place the monitor mounted on the stand base in an upright position.

2 Adjust the angle of the screen.

The angle of the screen can be adjusted forward or backward from -5° to 20° for a comfortable viewing experience.

WARNING

• To avoid injury to the fingers when adjusting the screen, do not hold the lower part of the monitor’s frame as illustrated below.

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

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Using the Kensington Lock

The connector for the Kensington security system is located at the bottom of the monitor.

For more information on installation and usage, refer to the Kensington lock owner’s manual or visit the website at http://www.kensington.com

.

Connect the monitor to a table using the Kensington security system cable.

Installing the Wall Mount Plate

This monitor meets the specifications for the wall mount plate or other compatible devices.

NOTE

• The wall mount plate is sold separately.

• For more information on installation, refer to the wall mount plate’s installation guide.

• Be careful not to apply too much force while mounting the wall mount plate as it may cause damage to the screen.

• Remove the stand before installing the monitor on a wall mount by performing the stand attachment in reverse.

Installing on the Wall

Install the monitor at least 100 mm (3.94 inches) away from the wall and leave about 100 mm (3.94 inches) of space at each side of the monitor to ensure sufficient ventilation. Detailed installation instructions can be obtained from your local retail store. Alternatively, please refer to the manual for how to install and set up a tilting wall mounting bracket.

NOTE

• The Kensington security system is optional. You can obtain optional accessories from most electronics stores.

100 mm

(3.94 inches)

100 mm

(3.94 inches)

100 mm

(3.94 inches)

100 mm

(3.94 inches)

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.

Wall Mount (mm)

Standard screw

Number of screws

Wall Mount Plate (Optional)

100 x 100

M4 x L10

4

LSW 149

CAUTION

• Unplug the power cord before moving or installing the monitor to avoid electric shock.

• Installing the monitor on the ceiling or on a slanted wall may result in the monitor falling off, which could lead to injury. Use an authorized LG wall mount and contact the local dealer or qualified personnel.

• Applying excessive force when tightening screws may cause damage to the monitor. Damage caused in this way will not be covered by the product warranty.

• Use the wall mounting bracket and screws that conform to VESA standards. Damage caused by the use or misuse of inappropriate components will not be covered by the product warranty.

• When measured from the back of the monitor, the length of each installed screw must be 8 mm (0.3 inches) or less.

NOTE

• A non-VESA standard screw may damage the product and cause the monitor to fall. LG Electronics is not liable for any accidents relating to the use of non-standard screws.

• The wall mount kit includes the installation guide and all necessary parts.

• The wall mounting bracket is optional. You can obtain optional accessories from your local dealer.

• The length of the screw may differ for each wall mounting bracket. If you use screws longer than the standard length, it may damage the inside of the product.

• For more information, please refer to the user manual for the wall mounting bracket.

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USING THE MONITOR

• Illustrations in this manual may differ from the actual product.

Press the joystick button, go to Settings Input, and then select the input option.

CAUTION

• Do not press the screen for a prolonged time. This may cause image distortion.

• Do not display a still image on the screen for a prolonged time. This may cause image retention. Use a PC screensaver if possible.

• When connecting the power cord to the outlet, use a grounded (3-hole) power strip or a grounded power outlet.

• The monitor may flicker when turned on in an area where the temperature is low. This is normal.

• Sometimes red, green, or blue spots may appear on the screen. This is normal.

Connecting to a PC

• This monitor supports the *Plug and Play feature.

* Plug and Play: A feature that allows you to add a device to your computer without having to reconfigure anything or install any manual drivers.

HDMI Connection

Transmits digital video and audio signals from your PC to the monitor.

CAUTION

• Using a DVI to HDMI / DP (DisplayPort) to HDMI cable may cause compatibility issues.

• 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.

• Recommended HDMI cable types

High-Speed HDMI ® / TM cable

High-Speed HDMI ® / TM cable with Ethernet

DisplayPort Connection

Transmits digital video and audio signals from your PC to the monitor.

NOTE

• There may be no video or audio output depending on the DP (DisplayPort) version of the PC.

• Make sure to use the supplied DisplayPort cable of the product. Otherwise, this may cause the device to malfunction.

• If you are using a Mini DisplayPort output graphics card, use a Mini DP to DP (Mini DisplayPort to DisplayPort) cable or gender that supports DisplayPort1.4. (Sold separately)

Connecting AV Devices

HDMI Connection

HDMI transmits digital video and audio signals from your AV device to the monitor.

NOTE

• Using a DVI to HDMI / DP (DisplayPort) to HDMI cable may cause compatibility issues.

• 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.

• Recommended HDMI cable types

High-Speed HDMI ® / TM cable

High-Speed HDMI ® / TM cable with Ethernet

Connecting Peripherals

Headphones Connection

Connect peripherals to the monitor via the headphones port.

NOTE

• Peripheral devices are sold separately.

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

• 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

(Recommend)

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10

USER SETTINGS

NOTE

• Your monitor’s OSD (On Screen Display) may differ slightly from that shown in this manual.

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

Main menu enabled

Main menu disabled

Main menu enabled

Main menu disabled

Main menu enabled

Main menu disabled

Main menu enabled

Main menu disabled

Main menu enabled

Description

Enables the main menu.

Exits the main menu.

(Holding down the button more than 5 seconds to turn off the monitor. You can turn off the monitor this way at any time, including when the OSD is on.)

Adjusts the monitor volume level.

Enters the Input features.

Adjusts the monitor volume level.

Enters the Settings feature.

Displays the information on the current input.

Turns off the monitor.

Displays the information on the current input.

Enters the Picture Mode feature.

Main Menu Features

Input

Power Off

Exit Settings

Picture Mode

Input

Power Off

Settings

Main Menu

Picture Mode

Exit

Sets input mode.

Turns off the monitor.

Configures the screen settings.

Sets the picture mode.

Exits the main menu.

Menu Settings

1 To view the OSD menu, press the joystick button at the bottom of the monitor and then enter the Settings.

2 Move the joystick up/down and left/right to set the options.

3 To return to the upper menu or set other menu items, move the joystick to or pressing ( ) it.

4 If you want to exit the OSD menu, move the joystick to until you exit.

Quick Settings

•

•

NOTE

: On

: Off

Input Picture General

Description

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Quick Settings

Settings > Quick Settings

Brightness

Contrast

Volume

Color Temp

Adjusts the contrast and brightness of the screen.

Adjusts the volume level.

NOTE

• You can adjust Mute / Unmute by moving the joystick button to in the Volume menu.

Custom

Warm

The user can adjust it to red, green, or blue by customization.

Sets the screen color to a reddish tone.

Medium

Cool

Manual

Sets the screen color to between a red and blue tone.

Sets the screen color to a bluish tone.

The user can fine - tune the color temperature.

Description

Input

Settings > Input

Input List

Aspect Ratio

Description

Selects the input mode.

Adjusts the aspect ratio of the screen.

Full Wide Displays the video in widescreen, regardless of the video signal input.

Original

Just Scan

Displays video according to the aspect ratio of the video signal input.

The aspect ratio is not adjusted from the original.

Cinema 1

Cinema 2

Enlarges the screen with an aspect ratio of 21:9.

Enlarges the screen with an aspect ratio of 21:9, including the black box at the bottom for subtitles.

Picture

NOTE

• The Picture Mode that can be set depends on the Input signal.

Picture Mode on SDR (Non HDR) signal

Settings > Picture

Picture Mode Custom

Vivid

HDR Effect

Reader

Cinema

FPS

RTS

Color Weakness

Allows the user to adjust each element.

Description

Heightens contrast, brightness and sharpness to display vivid images.

Optimizes the screen for high dynamic range.

Optimizes the screen for reading documents. You can brighten the screen in the OSD menu.

Optimizes the screen to improve the visual effects of a video.

This mode is optimized for FPS games.

This mode is optimized for RTS Game.

This mode is for users who cannot distinguish between red and green. It enables users with color weakness to easily distinguish between the two colors.

NOTE

• If the Picture Mode is changed, the screen may flicker or the resolution of your PC screen may be affected.

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Picture Mode on HDR signal

Settings > Picture

Picture Mode Allows the user to adjust each element.

Optimized the screen for HDR vivid colors.

Optimized the screen for HDR standard.

Optimized the screen for HDR video.

This mode is optimized for FPS games.It is suitable for very dark FPS games.

This mode is optimized for RTS Game.

Description

Custom

Vivid

Standard

Cinema

FPS

RTS

NOTE

• HDR content may not display correctly depending on Windows 10 OS settings, please check HDR On/Off settings in Windows.

• When the HDR function is turned on, the characters or picture quality may be poor according to Graphic card performance.

• While the HDR function is on, screen flickering or cracking may occur when changing the monitor input or power on/off according to Graphic card performance.

Settings > Picture

Picture Adjust Brightness

Contrast

Sharpness

SUPER RESOLUTION+

Black Level

DFC

Description

Adjusts the color contrast and brightness of the screen.

Adjusts the sharpness of the screen.

High Optimizes the screen for crystal clear images. Best for high-definition video or games.

Middle

Low

Off

Optimizes the screen for comfortable viewing, with images at the middle level between the low and high modes. Best for UCC or SD videos.

Optimizes the screen for smooth and natural images. Best for still images or images with less movement.

Displays in the most common setting. Disables SUPER RESOLUTION+.

On

Off

High

Low

NOTE

• Because this is a function to increase the sharpness of low resolution pictures, it is not recommended to use the function for normal text or for desktop icons. Doing so may result in unnecessarily high sharpness.

Sets the offset level (for HDMI only).

• Offset: as a reference for a video signal, this is the darkest color the monitor can display.

Keeps the current contrast ratio of the screen.

Lowers the black levels and raises the white levels from the current contrast ratio of the screen.

Adjusts the brightness automatically according to the screen.

Disables the DFC feature.

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Settings > Picture

Game Adjust Response Time

FreeSync

Black Stabilizer

Description

Sets a response time for displayed pictures based on the movement of the picture on the screen.

For a normal environment, it is recommended that you use Fast. When there is a lot of motion, it is recommended that you use Faster.

Setting to Faster may cause image sticking.

Faster

Fast

Normal

Sets the response time to faster.

Sets the response time to fast.

Sets the response time to normal.

Off Does not use the response time improvement feature.

Provides seamless and natural images by synchronizing the vertical frequency of the input signal with that of the output signal.

CAUTION

• Supported Interface: DisplayPort, HDMI

• Supported Graphic Card: A graphic card that supports AMD’s FreeSync is necessary.

• Supported Version: Make sure to update the graphic card to the latest driver.

• For more information and requirement, refer to AMD website at http://www.amd.com/FreeSync.

On FreeSync function on.

Off FreeSync function off.

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.

Settings > Picture

Color Adjust

Picture Reset

Gamma

Color Temp

Mode 1, Mode 2,

Mode 3

Mode 4

Description

The higher the gamma value, the darker the image becomes. Likewise, the lower the gamma value, the lighter the image becomes.

If you do not need to adjust the gamma settings, select Mode 4.

Set your own color temperature.

Custom The user can adjust it to red, green, or blue by customization.

Warm

Medium

Sets the screen color to a reddish tone.

Sets the screen color to between a red and blue tone.

Red, Green, Blue

Six Color

Cool Sets the screen color to a bluish tone.

Manual The user can fine - tune the color temperature.

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

Meets the user requirements for colors by adjusting the hue and saturation of the six colors (red, green, blue, cyan, magenta, and yellow) and then saving the settings.

Hue Adjusts the tone of the screen colors.

Saturation Adjusts the saturation of the screen colors. The lower the value, the less saturated and brighter the colors become. The higher the value, the more saturated and darker the colors become.

Do you want to reset your picture settings?

Yes

No

Returns to the default settings.

Cancel the select.

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General

Settings > General

Language

SMART ENERGY SAVING

Power LED

Automatic Standby

DisplayPort Version

HDMI Compatibility Mode

Description

Sets the menu screen to the desired language.

Conserve energy by using luminance compensation algorithm.

High

Low

Off

Saves energy using the high-efficiency SMART ENERGY SAVING feature.

Saves energy using the low-efficiency SMART ENERGY SAVING feature.

Disables the feature.

NOTE

• The value of energy saving data may differ depending on panel and panel suppliers.

• If you select the option of SMART ENERGY SAVING is High or Low, monitor luminance become higher or lower depend on source.

Turns the power LED on the front of the monitor on or off.

NOTE

• When the Power LED function is turned on, it operates as follows:

On Mode: White (For a few seconds)

Sleep Mode: Off

Off Mode: Off

Feature that automatically turns off the monitor when there is no movement on the screen for a period of time. You can set a timer for the auto-off function. (Off, 4H, 6H, and 8H)

Set DisplayPort Version to the same version as the connected external device. (1.4, 1.2, and 1.1)

To use the HDR function, set to 1.4.

HDMI Compatibility Mode feature can recognize the legacy equipment that does not support HDMI 2.0.

On Enables HDMI Compatibility Mode.

Off Disables HDMI Compatibility Mode.

NOTE

• If the connected device does not support HDMI Compatibility Mode, the screen or sound may not work properly.

• Some older graphics cards do not support HDMI 2.0,but you can select HDMI 2.0 resolution in the control panel of window.

• This may cause the screen to appear abnormally.

Settings > General

Buzzer

OSD Lock

Information

Reset to Initial Settings

Description

This feature lets you set the sound generated from Buzzer when your monitor powers on to On or Off.

This feature disables the configuration and adjustment of menus.

The following display information will be shown; Serial Number, Total Power On Time, Resolution.

Do you want to reset your settings?

Yes

No

Returns to the default settings.

Cancel the reset.

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TROUBLESHOOTING

Nothing is displayed on the screen.

Is the monitor's power cord plugged in?

Is the power LED on?

Is the power on and the power LED displaying white?

• Check if the power cord is correctly plugged into the power outlet.

• Check the power cable connection and press the power button.

• Check that the connected input is enabled (Settings > Input).

Is the No Signal message being displayed?

• This is displayed when the signal cable between the PC and the monitor is missing or disconnected. Check the cable and reconnect it.

Is the Out of Range message being displayed?

• This occurs when signals transferred from the PC (graphics 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.

Screen display is unstable and shaky. / Images displayed on the monitor leave shadow trails.

Did you select the appropriate resolution?

• If the selected resolution is HDMI 1080i 60/50 Hz (interlaced), the screen may be flickering. Change the resolution to 1080p or the recommended resolution.

• Not setting the graphics card to the recommended (optimal) resolution may result in blurred text, a dimmed screen, a truncated display area or misalignment of the display.

• The setting methods may be different depending on the computer or operating system, and some resolutions may not be available depending on the performance of the graphics card. If this is the case, contact the manufacturer of the computer or graphics card for assistance.

Does image sticking occur even when the monitor is turned off?

Are there spots on the screen?

• Displaying a still image for a prolonged time may cause damage to the screen, resulting in the retention of the image.

• To extend the lifetime of the monitor, use a screensaver.

• When using the monitor, pixilated spots (red, green, blue, white, or black) may appear on the screen. This is normal for an LCD screen. It is not an error, nor is it related to the monitor's performance.

Some features are disabled.

Are some functions not available when you press the Menu button?

• The OSD is locked. Disable OSD Lock in General.

Do you see an "Unrecognized monitor, Plug and Play (VESA DDC) monitor found" message?

Have you installed the display driver?

• Be sure to install the display driver from our web site: http://www.lg.com

.

• Make sure to check if the graphics card supports Plug and Play function.

No sound from the headphone port.

Are images displayed without sound?

• Make sure that the headphone port connections are made properly.

• Try increasing the volume with the joystick.

• Set the audio output of the PC to the monitor you are using. (The settings may differ depending on the operating system (OS) you use.)

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PRODUCT SPECIFICATION

Color Depth

Resolution

Power Sources

AC/DC Adapter

Environmental Conditions

Dimensions

Weight (Without Packaging)

8-bit / 10-bit color is supported.

Max Resolution

Recommended Resolution

Power Rating

Power Consumption

(Typical)

3440 x 1440 @ 60 Hz

3440 x 1440 @ 60 Hz

19 V 2.0 A

On mode: 60 W Typ. (Outgoing condition)**

Sleep Mode ≤ 0.5 W (HDMI / DP input Condition)***

Off Mode ≤ 0.3 W

DA-65G19 type, manufactured by Asian Power Devices Inc.

Or LCAP39, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE

Output: 19 V 3.42 A

Operating Conditions Temperature 0 °C to 40 °C (32 °F to 104 °F)

Storing Conditions

Humidity

Temperature

Humidity

Monitor Size (Width x Height x Depth)

With Stand 829.9 x 428.9 x 252.4 (mm)

Less than 80 %

-20 °C to 60 °C (-4 °F to 140 °F)

Less than 85 %

Without Stand

With Stand

Without Stand

829.9 x 379.8 x 49.2 (mm)

8.0 (kg)

5.9 (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 LGE test standard (Full White pattern , Maximum resolution).

*** The monitor goes to the Sleep Mode in a couple of minutes(Max 5 minutes).

32.6 x 16.8 x 9.9 (inches)

32.6 x 14.9 x 1.9 (inches)

17.6 (lbs)

12.9 (lbs)

Factory Support Mode (Preset Mode, PC)

DisplayPort/ HDMI

Preset Mode

640 x 480

800 x 600

1024 x 768

1152 x 864

1280 x 720

1280 x 800

1280 x 1024

1600 x 900

1680 x 1050

1920 x 1080

2560 x 1080

3440 x 1440

3440 x 1440

3440 x 1440

Horizontal Frequency (kHz)

63.981

60

65.29

67.5

31.469

37.879

48.363

54.347

45

49.702

66.66

43.82

73.68

88.82

Vertical Frequency (Hz)

60.02

60

59.954

60

59.94

60.317

60

60.05

60

60

60

29.99

49.99

59.97

Polarity (H/V)

+/+

+/+

-/+

+/-

-/-

+/+

-/-

+/+

+/+

-/+

-/-

+/-

+/-

+/-

Remarks

DP/HDMI Preferred timing

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HDMI Timing (Video)

Preset Mode

480P

720P

1080P

2160P

Horizontal Frequency (kHz)

31.5

45

67.5

135

Vertical Frequency (Hz)

60

60

60

60

Power LED

Mode

On Mode

Sleep Mode

Off Mode

LED Color

White (For a few seconds)

Off

Off

Supplier’s Declaration of Conformity

Trade Name LG

Responsible Party LG Electronics USA, Inc.

Address 1000 Sylvan Ave Englewood Cliffs,

NJ 07632

Telephone (201)266-2215

The model and serial number of the product are located on the back and on one side of the product.

Record them below in case you ever need service.

Model

Serial No.