LG 20MK4, 24MK4, 27MK4, 22MK4 User Guide

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OWNER'S MANUAL

LED LCD Monitor (LED Monitor*)

*LG LED Monitors are LCD Monitors with LED Backlighting.

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

LED LCD MONITOR MODEL

20MK4 series

22MK4 series

24MK4 series

27MK4 series

www.lg.com

ENGLISH

LICENSE ---------------------------- 3

ASSEMBLING AND PREPARING - 4

- Product Components -------------------------- 4

- Supported Drivers and Software -------------- 5

- Component and Button Description ---------- 6

How to Use the Joystick Button

Input Connector

- Moving and Lifting the Monitor --------------- 8

- Setting up the Monitor set ------------------- 9

Attaching the Stand Base

Mounting on a table

Mounting on a wall

USING THE MONITOR SET ------ 14

- Connecting to a PC ---------------------------14

D-SUB connection

HDMI connection

- Connecting to AV Devices --------------------15

HDMI connection

- Connecting Peripherals -----------------------15

Connecting Headphones

CUSTOMIZING SETTINGS ------ 16

TROUBLESHOOTING ------------ 21

SPECIFICATIONS ---------------- 22

- Preset Modes (Resolution) -------------------29

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.

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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.

CD(Owner's Manual) /

Card

( Depending on the country )

HDMI Cable

( Depending on the country )

AC-DC AdapterPower Cord

( Depending on the country )

D-SUB Cable

( Depending on the country )

AC-DC Adapter

20MK4 series

Stand Base

27MK4 series

Stand Base

22MK4 series 24MK4 series

2 Screws

Stand Body

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.

It is recommend that use the supplied components.

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

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 the

performance of the product. To purchase optional accessories, visit an electronics store or online shopping site or contact the retail store

where you purchased the product.

Supported Drivers and Software

You can download and install the latest version from the LGE website (

Drivers and Software Installation Priority

Monitor Driver Recommended O

OnScreen Control Recommended O

www.lg.com

20MK4 series 22MK4 series 24MK4 series 27MK4 series

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Component and Button Description

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

Press the joystick button once with your finger to turn on the monitor.

Press and hold the joystick button once with your finger to turn off the monitor.

You can control the volume by moving the joystick button left/right. (for HDMI only)

◄/►

Power on

Power off

Volume

Control

NOTE

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

Input Connector

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Connection panel (See p.14~15)

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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.

It is advisable to 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 cables. Hold the top and bottom of the monitor frame firmly.

Do not hold the panel itself.

CAUTION

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.

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.

When holding the monitor, the screen should face

away from you to prevent it being scratched.

When moving the monitor, avoid any strong shock or

vibrations to the product. When moving the monitor, keep it upright, never turn

the monitor on its side or tilt it sideways.

Setting up the Monitor set

Attaching the Stand Base

20MK4 series 22MK4 series

24MK4 series

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CAUTION

To protect the screen from scratches, cover the

surface with a soft cloth.

27MK4 series

CAUTION

To protect the screen from scratches, cover the

surface with a soft cloth.

screw torque :10~12kgf

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screw torque :10~12kgf

WARNING

To avoid injury to the fingers and foot when

Assembly Stand Body and Base, should hold Base when assembly stand body and base.

CAUTION

Illustrations in this document represent typical

procedures, so they may look different from the actual product. 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. When lifting or moving the monitor, do not touch

the monitor screen. The force applied to the monitor screen may cause damage to it. 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.

NOTE

You can disassemble the stand in the reverse

order of the assembly.

Mounting on a table

Lift and tilt the Monitor set into its upright position

on a table.

Leave a 100 mm (minimum) space from the wall for proper ventilation.

100 mm

Press the joystick button on the bottom of the

monitor to turn on the monitor.

CAUTION

Unplug the power cord prior to moving or installing the

monitor. There is risk of electric shock.

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Connect the AC-DC Adapter and Power Cord to a

wall outlet.

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WARNING

When you adjust the angle, do not hold the bottom of the Monitor set frame as shown on the following illustration, as may injure your fingers.

Do not touch or press the screen when adjusting the angle of the monitor.

Do not hold this set like below picture.Monitor screen can detach from stand base and injure your body.

NOTE

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

Front Rear

Using the Kensington security system

The Kensington security system connector is located at the back of the Monitor set. For more information of installation and using, refer to the manual supplied with the Kensington security system or visit

Connect the Kensington security system cable between the Monitor set and a table.

http://www.kensington.com

NOTE

The Kensington security system is optional. You can

obtain it from most electronics stores.

Mounting on a wall

For proper ventilation, allow a clearance of 100 mm on each side and from the wall. Detailed instructions are available from your dealer, see the optional Tilt Wall Mounting Bracket Installation and Setup Guide.

100 mm

Wall Mount (A x B)

CAUTION

Disconnect the power cord first, and then move

or install the Monitor set. Otherwise electric shock may occur. If you install the Monitor set on a ceiling or

slanted wall, it may fall and result in severe injury. Use only an authorized LG wall mount and

contact the local dealer or qualified personnel. Do not over tighten the screws as this may

cause damage to the Monitor set and void your warranty. Use only screws and wall mounts that meet

the VESA standard. Any damages or injuries by misuse or using an improper accessory are not covered by the warranty. Screw length from outer surface of back cover

should be under 8mm.

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If you intend to mount the Monitor set to a wall, attach Wall mounting interface (optional parts) to the back of the set. When you install the Monitor set using a wall mounting interface (optional parts), attach it carefully so it will not drop.

1 If you use screw longer than standard, the monitor

might be damaged internally.

2 If you use improper screw, the product might be dam-

aged and drop from mounted position.

In this case, LG Electronics is not responsible for it.

Model

20MK4 series 22MK4 series

24MK4 series

Wall Mount (A x B) 75 x 75 Standard screw M4 Number of screws 4

Model

Wall Mount (A x B) 100 x 100 Standard screw M4 Number of screws 4

27MK4 series

Wall mount Pad

Back Cover

Wall mount Pad

Back Cover

Standard screw

Max.8mm

NOTE

Use the screws that are listed on the VESA

standard screw specifications. The wall mount kit will include an installation

manual and necessary parts. The wall mount bracket is optional. You can

obtain additional accessories from your local dealer. The length of screws may differ depending on

the wall mount. Be sure to use the proper length. For more information, refer to the instructions

supplied with the wall mount.

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USING THE MONITOR SET

Connecting to a PC

Your Monitor set supports Plug & Play*.

*Plug & Play: A PC recognizes a connected device that users connect to a PC and turn on, without device configuration or user intervention.

D-SUB connection

Transmits analog video from your PC to the Monitor set. Connect the PC and the Monitor set with the supplied D-sub 15 pin signal cable as shown in the following illustrations.

HDMI connection

Transmits the digital video and audio signals from your PC to the Monitor set. Connect the PC and the Monitor set with the HDMI cable as shown in the following illustrations.

NOTE

If you use HDMI PC, it can cause compatibility problem.

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

NOTE

When using a D-Sub signal input cable connector

for Macintosh

Mac adapter

For Apple Macintosh use, a separate plug adapter is needed to change the 15 pin high density (3 row) D-SUB VGA connector on the supplied cable to a 15 pin 2 row connector.

NOTE

When you want to use two PC in our Monitor,

please connect the signal cable(D-SUB/DVI-D/ HDMI) respectively in Monitor set. If you turn the Monitor set on while it is cold, the

screen may flicker. This is normal. Some red, green, or blue spots may appear on the

screen. This is normal.

Connecting to AV Devices

HDMI connection

Transmits the digital video and audio signals from your AV devices to the monitor. Connect your AV device to the monitor with the HDMI cable as illustrated below.

Connecting Peripherals

Connecting Headphones

Connect peripherals to the monitor via the headphones port. Connect as illustrated.

H/P

(sold separately)

NOTE

Peripheral devices are sold separately.

If you use angled headphones, it may cause a

problem with connecting another external device to the monitor. Therefore, it is recommended to use straight headphones.

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NOTE

If you use HDMI PC, it can cause compatibility

problem. 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

®/TM

Cable with Ethernet

Angle Type Straight Type

Depending on the audio settings of the PC and

external device, headphones and speaker functions may be limited.

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CUSTOMIZING SETTINGS

Activating the Main Menu

Press the joystick button on the bottom of the monitor.

Move the joystick up/down (▲/▼) and left/right(◄/►) to set the options.

Press the joystick button once more to close the main menu.

Joystick Button

Button Menu Status Description

Main menu disabled Enables the main menu.

Main menu enabled

Main menu disabled Adjusts the monitor volume level. (for HDMI only)

◄

Main menu enabled Enters the input features.

Main menu disabled Adjusts the monitor volume level. (for HDMI only)

►

Main menu enabled Enters the Settings feature.

Main menu disabled Displays the information on the current input.

▲

Main menu enabled Turns off the monitor.

Main menu disabled Displays the information on the current input.

▼

Main menu enabled Enters the picture mode feature. (for HDMI only)

Close the main menu. (Long press the button to turn off the monitor)

Main Menu Features

(for HDMI only)

Settings

Main Menu Description

Settings Configures the screen settings.

Picture Mode

Input Sets input mode.

Power Off Turns off the monitor.

Exit Exits the main menu.

Select picture mode to achieve the best display effect.

Customizing settings

Settings > Quick Settings Description

Brightness

Contrast

Volume Adjusts the volume.(for HDMI only)

Settings > Input Description

Input List Selects the input mode.

Aspect Ratio Adjusts the aspect ratio of the screen.

Adjusts the contrast and brightness of the screen.

NOTE

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

Full Wide Displays the video in wide-screen, regardless of the video signal input.

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

NOTE

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22MK4 series 24MK4 series 27MK4 series

mended resolution (1920 x 1080).

The options may disabled at the recom-

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Customizing settings

Settings > Picture

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

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

Photo Optimizes the screen to view photos.

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

Picture Adjust

Color Weakness

Game Optimizes the screen for gameplay.

Brightness Adjusts the contrast and brightness of the screen.

Contrast

Sharpness Adjusts the sharpness of the screen.

SUPER RESOLUTION+

Black Level Sets the offset level (for HDMI only).

DFC On Adjusts the brightness automatically according to the screen.

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.

High Optimized picture quality is displayed when a user wants crystal clear images.

Middle The optimized picture quality is displayed when a user wants images between

Low The optimized picture quality is displayed when a user wants smooth and

Off Select this option for everyday viewing. SUPER RESOLUTION+ is turned off in

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

High Keeps the current contrast ratio of the screen.

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

Off Disables the DFC feature.

It is effective forhigh quality video or game.

low and high modes for comfortable viewing. It is effective for UCC or SD video.

natural images. It is effective for slow -moving pictures or still images.

this mode.

the screen.

Description

NOTE

This is subsidiary for color weakness user. Therefore if you feel uncomfortable with the screen, please turn off

this function. This function can’t distinguish some colors in some images.

Game Adjust

Color Adjust Gamma Mode 1, Mode 2,

Configuration Adjust (D-SUB only)

Resolution (D-SUB only)

Response Time Sets a response time for displayed pictures based on the speed of the screen.

FreeSync

22MK4 series 24MK4 series 27MK4 series

Black Stabilizer

Cross Hair Cross Hair provides a mark on the center of the screen for First Person Shooter(FPS) games.

Color Temp Selects the factory default picture color.

Red/Green/ Blue

Horizontal To move image left and right.

Vertical To move image up and down.

Clock To minimize any vertical bars or stripes visible on the screen background.The horizontal screen

Phase To adjust the focus of the display. This item allows you to remove any horizontal noise and clear

User can set the desired resolution.This option is enabled only when the screen resolution on your computer is set to the following(D-SUB only).

For a normal environment, it is recommended that you use Fast. For a fast-moving picture, it is recommended that you use Faster. Once Faster Mode is selected, Motion Blur may occur depending on the content.

Faster Sets the response time to faster.

Fast Sets the response time to fast.

Normal 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: 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.

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.

Users can select the cross hair that fits their gaming environment among four different cross hairs.

When the monitor is off or enters energy saving mode, the Cross Hair feature is

automatically turned off.

Mode 3

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

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

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

size will also change.

or sharpen the image of characters.

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

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NOTE

The function is enabled only when the screen resolution on your computer is set to the following, except that the PC output wrong resolution.

1024x768, 1280x768, 1360x768, 1366x768,Off

1280x960, 1600x900,Off

1440x900, 1600x900,Off

Picture Reset Do you want to reset your settings?

No Cancel the select.

Yes Returns to the default settings.

22MK4 series 24MK4 series 27MK4 series

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Customizing settings

Settings > General Description

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

SMART ENERGY SAVING

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

OSD Lock Prevents incorrect key input.

Information The display information will be shown the Model, Serial Number, Total Power On Time, Resolution.

Reset Do you want to reset your settings?

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

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

Off Disables the SMART ENERGY SAVING feature.

On Key input is disabled.

NOTE

All function except for the OSD Lock mode, brightness, Contrast, Input, Information and Vol-

ume are disabled.

Off Key input is enabled.

No Cancel the select.

Yes Returns to the default settings.

NOTE

Saving Data depends on the Panel. So, those values should be different from each panel and panel vendor. If option of SMART

ENERGY SAVING is High or Low, monitor luminance become higher or lower depend on source.

TROUBLESHOOTING

Check the following before calling for service.

No image appears

Is the power cord of the display connected?

Do you see an "Out of Range" message on the screen?

Do you see a "NO SIGNAL" message on the screen or black screen?

Can't you control some functions in OSD?

Can't you select some menu in OSD?

CAUTION

Check Control Panel ► Display ► Settings and see if the frequency or the resolution were changed. If yes, readjust the

video card to the recommend resolution. If the recommended resolution (optimal resolution) is not selected, letters may be blurred and the screen may be dimmed,

truncated or biased. Make sure to select the recommend resolution. The setting method can differ by computer and O/S (Operation System), and resolution mentioned above may

not be supported by the video card performance. In this case, please ask to the computer or the video card manufacturer. Keep proper posture when using the monitor, otherwise the screen may not be optimized.

yCheck and see if the power cord is connected properly to the power outlet.

yThis message appears when the signal from the PC (video card) is out of horizontal

or vertical frequency range of the display. See the 'Specifications' section of this manual and configure your display again.

yAfter the monitor is on "NO SIGNAL", the monitor goes to DPM mode. yThis is displayed when the signal cable between the PC and the monitor is

missing or disconnected. Check the cable and reconnect it.

yCheck PC status.

You can unlock the OSD controls at any time by entering the OSD lock menu and

changing items to off.

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Display image is incorrect

The screen color is mono or abnormal.

yCheck if the signal cable is properly connected and use a screwdriver to fasten if

necessary. yMake sure the video card is properly inserted in the slot. ySet the color setting higher than 24 bits (true color) at Control Panel ► Settings.

The screen blinks.

yCheck if the screen is set to interlace mode and if yes, change it to the recommend

resolution.

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

Have you installed the display driver?

yBe sure to install the display driver from our web site: yMake sure to check if the video card supports Plug&Play function.

The screen is flickering.

Did you select the recommended resolution?

22MK4 series 24MK4 series 27MK4 series

HDMI 1080i 60/50 Hz, the screen may be flickering. Change the resolution

to the recommended resolution 1080P.

http://www.lg.com

If the selected resolution is

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SPECIFICATIONS

20MK4 series

LCD Screen Type TFT (Thin Film Transistor)

Pixel Pitch 0.3177 mm x 0.307 mm

Resolution Maximum Resolution 1366 x 768 @ 60Hz (HDMI)

Recommended Resolution 1366 x 768 @ 60Hz

Video Signal Horizontal Frequency 30 kHz to 61 kHz

Vertical Frequency HDMI

Synchronization Separate Sync, Digital.

Input Connector HDMI IN, D-SUB IN, H/P OUT

Power Input 19 V

Power Consumption On Mode : 13 W Typ. ( Outgoing condition ) *

AC/DC adaptor Type ADS-18SG-19-3 19016G, manufactured by SHENZHEN HONOR ELECTRONIC

Environmental conditions

Dimension Monitor Size (Width x Height x Depth)

Weight (Without Packaging)

Tilt Range -5° to 20°

Sleep Mode ≤ 0.3 W Off Mode ≤ 0.3 W

or Type ADS-18FSG-19 19016GPG, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-18FSG-19 19016GPI, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-18FSG-19 19016GPCU, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-18FSG-19 19016GPB, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25SFA-19-3 19016E, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25FSF-19 19016EPCU-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25FSF-19 19016EPBR-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25FSF-19 19016EPI-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25FSF-19 19016EPG-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25FSF-19 19016EPB-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25FSF-19 19016EPG, manufactured by SHENZHEN HONOR ELECTRONIC or Type LCAP42, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type LCAP36-A, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type LCAP36-E, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type LCAP36-I, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type LCAP36-U, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type DA-16C19, manufactured by Asian Power Devices Inc. or Type WA-16D19FG, manufactured by Asian Power Devices Inc. or Type WA-16E19FA, manufactured by Asian Power Devices Inc.

OUTPUT: 19 V

Operating Temperature Operating Humidity

Storage Temperature Storage Humidity

With Stand 463.8 mm x 366.5 mm x 181.9 mm

Without Stand 463.8 mm x 276.4 mm x 38.4 mm

With Stand 2.3 Kg

Without Stand 2.0 Kg

0.8 A

0.84 A

LCD(Liquid Crystal Display) Screen

1366 x 768 @ 60Hz (D-sub)

-PC: 56 Hz to 75 Hz

-AV: 50 Hz to 61 Hz D-SUB: 56 Hz to 75 Hz

0 °C to 40 °C Less than 80%

-20 °C to 60 °C Less than 85 %

Product specifications shown above may be changed without prior notice due to upgrade of product functions. * 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).

SPECIFICATIONS

22MK4 series

LCD Screen Type TFT (Thin Film Transistor)

Pixel Pitch 0.24795 mm x 0.24795 mm

Resolution Maximum Resolution 1920 x 1080 @ 75 Hz (HDMI)

Recommended Resolution 1920 × 1080 @ 60 Hz

Video Signal Horizontal Frequency HDMI : 30 kHz to 85 kHz

Vertical Frequency HDMI

Synchronization Separate Sync, Digital.

Input Connector HDMI IN, D-SUB IN, H/P OUT

Power Input 19 V

Power Consumption On Mode : 19.7 W Typ. ( Outgoing condition ) *

Sleep Mode ≤ 0.3 W Off Mode ≤ 0.3 W

1.3 A Or 19 V 0.8 A

LCD(Liquid Crystal Display) Screen

1920 x 1080 @ 60 Hz (D-sub)

D-SUB: 30 kHz to 83 kHz

-PC: 56 Hz to 75 Hz

-AV: 50 Hz to 61 Hz D-SUB: 56 Hz to 75 Hz

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AC/DC adaptor Type ADS-40SG-19-3 19025G, manufactured by SHENZHEN HONOR ELECTRONIC

Environmental conditions

Dimension Monitor Size (Width x Height x Depth)

Weight (Without Packaging)

or Type ADS-40FSG-19 19025GPG-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-40FSG-19 19025GPBR-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-40FSG-19 19025GPI-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-40FSG-19 19025GPCU-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-40FSG-19 19025GPB-2, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25FSG-19 19025EPCU-1L, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25SFA-19-3 19025E, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25FSF-19 19025EPB-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type LCAP21, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type LCAP26-A, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type LCAP26-E, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type LCAP26-I, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type LCAP26-B, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type LCAP51, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type WA-24C19FS, manufactured by Asian Power Devices Inc. or Type WA-24C19FU, manufactured by Asian Power Devices Inc. or Type WA-24C19FK, manufactured by Asian Power Devices Inc. or Type WA-24C19FB, manufactured by Asian Power Devices Inc. or Type WA-24C19FN, manufactured by Asian Power Devices Inc. or Type DA-24B19, manufactured by Asian Power Devices Inc.

OUTPUT: 19 V

Type ADS-18SG-19-3 19016G, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-18FSG-19 19016GPG, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-18FSG-19 19016GPI, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-18FSG-19 19016GPCU, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-18FSG-19 19016GPB, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25SFA-19-3 19016E, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25FSF-19 19016EPCU-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25FSF-19 19016EPBR-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25FSF-19 19016EPI-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25FSF-19 19016EPG-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25FSF-19 19016EPB-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25FSF-19 19016EPG, manufactured by SHENZHEN HONOR ELECTRONIC or Type LCAP42, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type LCAP36-A, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type LCAP36-E, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type LCAP36-I, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type LCAP36-U, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type DA-16C19, manufactured by Asian Power Devices Inc. or Type WA-16D19FG, manufactured by Asian Power Devices Inc. or Type WA-16E19FA, manufactured by Asian Power Devices Inc.

OUTPUT: 19 V

Operating Temperature Operating Humidity

Storage Temperature Storage Humidity

With Stand 509.6 mm x 395.8 mm x 181.9 mm

Without Stand 509.6 mm x 305.7 mm x 38.5 mm

With Stand 2.8 Kg

Without Stand 2.5 Kg

1.3 A

0.84 A

0 °C to 40 °C Less than 80%

-20 °C to 60 °C Less than 85 %

SPECIFICATIONS

24MK4 series

LCD Screen Type TFT (Thin Film Transistor)

Pixel Pitch 0.2745 mm x 0.2745 mm

Resolution Maximum Resolution 1920 x 1080 @ 75 Hz (HDMI)

Recommended Resolution 1920 × 1080 @ 60 Hz

Video Signal Horizontal Frequency HDMI : 30 kHz to 85 kHz

Vertical Frequency HDMI

Synchronization Separate Sync, Digital.

Input Connector HDMI IN, D-SUB IN, H/P OUT

Power Input 19 V

Power Consumption On Mode : 26 W Typ. ( Outgoing condition ) *

AC/DC adaptor Type ADS-40SG-19-3 19025G, manufactured by SHENZHEN HONOR ELECTRONIC

Environmental conditions

Sleep Mode ≤ 0.3 W Off Mode ≤ 0.3 W

or Type ADS-40FSG-19 19025GPG-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-40FSG-19 19025GPBR-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-40FSG-19 19025GPI-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-40FSG-19 19025GPCU-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-40FSG-19 19025GPB-2, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25FSG-19 19025EPCU-1L, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25SFA-19-3 19025E, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25FSF-19 19025EPCU-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25FSF-19 19025EPBR-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25FSF-19 19025EPI-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25FSF-19 19025EPG-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25FSF-19 19025EPB-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type LCAP21, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type LCAP26-A, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type LCAP26-E, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type LCAP26-I, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type LCAP26-B, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type LCAP51, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type WA-24C19FS, manufactured by Asian Power Devices Inc. or Type WA-24C19FU, manufactured by Asian Power Devices Inc. or Type WA-24C19FK, manufactured by Asian Power Devices Inc. or Type WA-24C19FB, manufactured by Asian Power Devices Inc. or Type WA-24C19FN, manufactured by Asian Power Devices Inc. or Type DA-24B19, manufactured by Asian Power Devices Inc.

OUTPUT: 19 V

Operating Temperature Operating Humidity

Storage Temperature Storage Humidity

1.3 A

LCD(Liquid Crystal Display) Screen

1920 x 1080 @ 60 Hz (D-sub)

D-SUB: 30 kHz to 83 kHz

-PC: 56 Hz to 75 Hz

-AV: 50 Hz to 61 Hz D-SUB: 56 Hz to 75 Hz

0 °C to 40 °C Less than 80%

-20 °C to 60 °C Less than 85 %

ENGLISH

ENG

ENGLISH

ENG

Dimension Monitor Size (Width x Height x Depth)

With Stand 555 mm x 421 mm x 181.9 mm

Without Stand 555 mm x 330.9 mm x 38.4 mm

Weight (Without Packaging)

With Stand 3.1 kg

Without Stand 2.8 kg

SPECIFICATIONS

27MK4 series

LCD Screen Type TFT (Thin Film Transistor)

Pixel Pitch 0.31125 mm x 0.31125 mm

Resolution Maximum Resolution 1920 x 1080 @ 75 Hz (HDMI)

Recommended Resolution 1920 × 1080 @ 60 Hz

Video Signal Horizontal Frequency HDMI : 30 kHz to 85 kHz

Vertical Frequency HDMI

Synchronization Separate Sync, Digital.

Input Connector HDMI IN, D-SUB IN, H/P OUT

Power Input 19 V

Power Consumption On Mode : 16.8 W Typ. (ENERGY STAR® standard)*

AC/DC adaptor Type ADS-40SG-19-3 19025G, manufactured by SHENZHEN HONOR ELECTRONIC

Environmental conditions

23 W Typ. (Outgoing condition)**

Sleep Mode ≤ 0.3 W Off Mode ≤ 0.3 W

or Type ADS-40FSG-19 19025GPG-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-40FSG-19 19025GPBR-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-40FSG-19 19025GPI-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-40FSG-19 19025GPCU-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-40FSG-19 19025GPB-2, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25FSG-19 19025EPCU-1L, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25SFA-19-3 19025E, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25FSF-19 19025EPCU-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25FSF-19 19025EPBR-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25FSF-19 19025EPI-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25FSF-19 19025EPG-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type ADS-25FSF-19 19025EPB-1, manufactured by SHENZHEN HONOR ELECTRONIC or Type LCAP21, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type LCAP26-A, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type LCAP26-E, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type LCAP26-I, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type LCAP26-B, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type LCAP51, manufactured by LIEN CHANG ELECTRONIC ENTERPRISE or Type WA-24C19FS, manufactured by Asian Power Devices Inc. or Type WA-24C19FU, manufactured by Asian Power Devices Inc. or Type WA-24C19FK, manufactured by Asian Power Devices Inc. or Type WA-24C19FB, manufactured by Asian Power Devices Inc. or Type WA-24C19FN, manufactured by Asian Power Devices Inc. or Type DA-24B19, manufactured by Asian Power Devices Inc.

OUTPUT: 19 V

Operating Temperature Operating Humidity

Storage Temperature Storage Humidity

1.3 A

LCD(Liquid Crystal Display) Screen

1920 x 1080 @ 60 Hz (D-sub)

D-SUB: 30 kHz to 83 kHz

-PC: 56 Hz to 75 Hz

-AV: 50 Hz to 61 Hz D-SUB: 56 Hz to 75 Hz

0 °C to 40 °C Less than 80%

-20 °C to 60 °C Less than 85 %

ENGLISH

ENG

ENGLISH

ENG

Dimension Monitor Size (Width x Height x Depth)

With Stand 625.6 mm x 468.7 mm x 204.1 mm

Without Stand 625.6 mm x 375.2 mm x 44 mm

Weight (Without Packaging)

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. ** The On mode power consumption is measured with LGE test standard (Full White pattern , Maximum resolution).

With Stand 4.6 kg

Without Stand 4.2 kg

Preset Modes (Resolution)

D-SUB / HDMI PC Timing

20MK4 series

Display Modes (Resolution)

720 x 400 31.468 70.08 -/+

640 x 480 31.469 59.94 -/-

640 x 480 37.5 75 -/-

800 x 600 37.879 60.317 +/+

800 x 600 46.875 75 +/+

1024 x 768 48.363 60 -/-

1366 x 768 47.712 59.79 +/+ Recommend Mode

Horizontal Frequency(kHz)

Vertical Frequency(Hz) Polarity(H/V)

D-SUB PC Timing

22MK4 series 24MK4 series 27MK4 series

Display Modes (Resolution)

720 x 400 31.468 70.08 -/+

640 x 480 31.469 59.94 -/-

640 x 480 37.5 75 -/-

800 x 600 37.879 60.317 +/+

800 x 600 46.875 75 +/+

1024 x 768 48.363 60 -/-

1024 x 768 60.023 75.029 +/+

1152 x 864 67.500 75 +/+

1280 x 1024 63.981 60.023 +/+

1280 x 1024 79.976 75.035 +/+

1680 x 1050 65.290 59.954 -/+

1920 x 1080 67.500 60 +/+ Recommend Mode

Horizontal Frequency(kHz)

Vertical Frequency(Hz) Polarity(H/V)

ENGLISH

ENG

HDMI PC Timing

22MK4 series 24MK4 series 27MK4 series

Display Modes (Resolution)

720 x 400 31.468 70.08 -/+

640 x 480 31.469 59.94 -/-

640 x 480 37.5 75 -/-

800 x 600 37.879 60.317 +/+

800 x 600 46.875 75 +/+

1024 x 768 48.363 60 -/-

1024 x 768 60.023 75.029 +/+

1152 x 864 67.500 75 +/+

Horizontal Frequency(kHz)

Vertical Frequency(Hz) Polarity(H/V)

ENGLISH

ENG

1280 x 1024 63.981 60.023 +/+

1280 x 1024 79.976 75.035 +/+

1680 x 1050 65.290 59.954 -/+

1920 x 1080 67.500 60 +/+ Recommend Mode

1920 x 1080 83.89 74.97 +/+

HDMI AV Timing

20MK4 series

Factory support mode (Preset Mode)

480P 31.50 60 O

576P 31.25 50 O

720P 37.50 50 O

720P 45.00 60 O

22MK4 series 24MK4 series 27MK4 series

Factory support mode (Preset Mode)

480P 31.50 60 O

576P 31.25 50 O

720P 37.50 50 O

720P 45.00 60 O

1080P 56.25 50 O

1080P 67.50 60

Horizontal Frequency(kHz)

Vertical Frequency(Hz)

HDMI

Recommend Mode

Make sure to read the Safety Precautions before using the product. 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

（

for 27MK4 series

）

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.

LG 20MK4, 24MK4, 27MK4, 22MK4 User Guide

Specifications and Main Features

Frequently Asked Questions

User Manual

CONTENTS

LICENSE

ASSEMBLING AND PREPARING

Product Components

Supported Drivers and Software

Component and Button Description

How to Use the Joystick Button

Input Connector

Moving and Lifting the Monitor

Setting up the Monitor set

Attaching the Stand Base

Mounting on a table

Mounting on a wall

USING THE MONITOR SET

Connecting to a PC

D-SUB connection

HDMI connection

Connecting to AV Devices

HDMI connection

Connecting Peripherals

Connecting Headphones

CUSTOMIZING SETTINGS

TROUBLESHOOTING

Preset Modes (Resolution)