LG 27BQ70QC-S.AUB User manual

* LG LED Monitor applies LCD screen with LED backlights.
Please read this manual carefully before operating your set and retain it for future reference.
www.lg.com
Copyright 2022 LG Electronics Inc. All Rights Reserved.
Owner’s Manual
LED LCD MONITOR
(LED Monitor*)
27BQ70QC
27MQ70QC

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TABLE OF CONTENTS
LICENSE ............................................................................................. 3
OPEN SOURCE SOFTWARE NOTICE INFORMATION ............................ 4
ASSEMBLING AND PREPARING ......................................................... 4
USING THE MONITOR....................................................................... 13
USER SETTINGS ............................................................................... 16
TROUBLESHOOTING ........................................................................ 21
PRODUCT SPECIFICATION................................................................ 22

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LICENSE
Each model has different licenses. Visit www.lg.com for more information on the license.
The terms HDMI, HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing Administrator, Inc.
*

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OPEN SOURCE SOFTWARE NOTICE
INFORMATION
To obtain the source code that is contained in this product, under GPL, LGPL, MPL, and other open source
licenses that have the obligation to disclose source code, and to access all referred license terms, copyright
notices and other relevant documents, please visit https://opensource.lge.com.
LG Electronics will also provide open source code to you on CD-ROM for a charge covering the cost of performing
such distribution (such as the cost of media, shipping, and handling) upon email request toopensource@lge.
com.
This offer is valid to anyone in receipt of this information for a period of three yearsafter our last shipment of
this product.
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 that use the supplied components.
•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.
•When lifting or moving the monitor, do not touch the monitor screen. The force applied to the monitor screen
may cause damage to it.

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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 Software
You can download and install the latest version from the LGE website (www.lg.com).
•Monitor Driver/ OnScreen Control/ Dual Controller
Product and Button Description
Button Description
(Power) Power off state Press the button once to turn on the monitor.
Power on state Press and hold the button once for five seconds or longer
to turn off the monitor.
(Menu) Press the button once to set the screen.
/ Adjusts the volume.
Enters the [Accessibility] menu.

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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.
•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.
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.

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Installing on a Table
After folding the stand to secure it, lift the monitor and place it on the table in an upright position.
A-Type
CAUTION
•Make sure the table on which the product is installed is stable and solid. A table made of fragile materials
such as glass may be damaged.
•The monitor may tilt on uneven or slanted tables.
•Installation of the stand may leave a mark on the table.
•Avoid falls by verifying that the table is large enough to support the monitor.
•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.

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Adjusting the Angle
The angle of the screen can be adjusted forward or backward from -5° to 10° for a comfortable viewing
experience.
WARNING
•Be careful not to touch or press the screen area when adjusting the angle of the monitor.
•Do not use the button on the back of the product when adjusting the angle.
•Be careful not to use excessive force when adjusting the angle.
Using the Kensington Lock
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.
NOTE
•The Kensington security system is optional. You can obtain optional accessories from most electronics stores.

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Installing on the Wall
Secure at least a certain amount of vertical flat space in the partition to be installed.
In addition, ensure that it is strong and sturdy enough to hold and use the product.
B-Type C-Type
Hanger
Length (A)
B-Type 80mm (3.1 inches)
C-Type 200mm (7.8inches)
NOTE
•The stand can be unfolded by pushing the button on the back of the product.

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CAUTION
•The partition in which the product is installed must be sufficiently rigid. If it is made of fragile material such
as glass, this may result in damage to the product.
•If the partition surface is uneven or tilted, the product may tilt.
•When the monitor is installed, the traces may remain on the partition.
•Do not hang heavy items such as bags or clothes on the monitor or cradle.
•If the partition cannot support the monitor sufficiently, be careful as the monitor may fall over.
•When standing the folded stand, be careful not to get your fingers caught between the monitor head and
the stand.
•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.
NOTE
A
B-Type 550mm (21.6inches)
C-Type 670mm (26.3inches)
B530mm (20.8inches)
C30~70mm (1.1~ 2.7inches)

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Webcam Installation
Insert the webcam according to the direction in which you wish the camera to shoot, and use it after connecting
it to the monitor.
When Installing on a Table
When Installing on a Partition
CAUTION
•Do not mount the webcam on the bottom of the monitor.

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NOTE
•The USB-C port on the side of the monitor and the USB-C port on the PC must be connected with a USB-C
cable in order for the webcam to function.
•The USB-C ports on the top and bottom of the monitor are exclusively for the webcam.
PC
Monitor
(Side)
Monitor
(Top and
Bottom)
Webcam (only)
Adjusting the Angle
The angle of the webcam can be adjusted from -15° to 10° (or 15°) front and back for comfortable use.
When installing on a table: -15° ~ 15° When installing on a partition: -15° ~ 10°

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Using the Lens Cover
A lens cover can be attached to hide the lens when the webcam is not in use.
When attaching the lens cover, attach it so that the cover opens to the left.
USING THE MONITOR
•Illustrations in this manual may differ from the actual product.
•Press the (Menu) button on the side of the monitor and select the corresponding input from the [Input]
menu.
CAUTION
•If you use generic cables not certified by LG, the screen may not display or there may be image noises.
•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.

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Connecting to a PC
•This monitor supports the feature.
* : 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®/™ cable
-High Speed HDMI®/™ cable with Ethernet
USB-C connection
Transmits digital video and audio signals from your PC to the monitor.
NOTE
•PD(Power Delivery) and DP Alternate Mode(DP over USB-C) are supported via USB-C Port.
•Features may not work properly depending on the connected device’s specifications and the environment.
•USB-C port is not for the monitor power source but for a PC power source. Connect adapter to supply power
to the monitor.
•It is recommended to turn off the device connected via HDMI when watching a video by connecting through
USB-C.

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Connecting AV Devices
HDMI Connection
HDMI transmits digital video and audio signals from your AV device 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®/™ cable
-High Speed HDMI®/™ cable with Ethernet
Connecting Peripherals
Headset Connection
Connect peripherals to the monitor via the headset port.
NOTE
•Peripheral devices are sold separately.
•Depending on the audio settings of the PC and external device, headset 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)
•The USB-C port on the side of the monitor and the USB-C port on the PC must be connected with a USB-C
cable in order for the microphone to function.

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USER SETTINGS
NOTE
•Your monitor’s OSD (On Screen Display) may differ slightly from that shown in this manual.
Menu Settings
1 Press the (Menu) button on the side of the monitor to enter.
2 Use the / buttons to set options.
3 If you wish to adjust the upper menu or other items, use the (Menu) button or press the
button to move.
[Quick Settings]
•[Brightness]: Adjusts the brightness of the screen.
•[Contrast]: Adjusts the contrast of the screen.
•[Volume]: Adjusts the volume level.
•[Color Temp]: Set your own color temperature.
-[Custom]: The user can customize the red, green and blue color.
-[Warm]: Sets the screen color to a reddish tone.
-[Medium]: Sets the screen color to between a red and blue tone.
-[Cool]: Sets the screen color to a bluish tone.
-[Manual]: The user can fine-tune the color temperature.
•[Waves MaxxAudio®]
-[On]: MaxxAudio®by waves, recipient of a Technical GRAMMY Award®is a suite of studio-quality sound
tools for a superior listening experience.
-[Off]: Disables the [Waves MaxxAudio®] feature.

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[Input]
•[Input List]: Selects the input mode.
•[Aspect Ratio]: Adjusts the aspect ratio of the screen.The display may look the same for [FullWide],
[Original], and [Just Scan] options at the recommended resolution (2560x1440).
-[FullWide]: Displays the video in widescreen, regardless of the video signal input.
-[Original]: Displays video according to the aspect ratio of the video signal input.
-[Just Scan]: The aspect ratio is not adjusted from the original.
[Picture]
[Picture] > [Picture Mode]
•[Custom]: Allows the user to adjust each element.
•[Vivid]: Heightens contrast, brightness and sharpness to display vivid images.
•[HDR Effect]: Optimizes the screen for high dynamic range.
•[Reader]: Optimizes the screen for reading documents. You can brighten the screen in the OSD menu.
•[Cinema]: Optimizes the screen to improve the visual effects of a video.
•[FPS]: This mode is optimized for FPS games.
•[RTS]:This mode is optimized for RTS Game.
•[Color Weakness]: 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
•The [Picture Mode] that can be set depends on the Input signal.
•HDR content may not display correctly depending on OS settings, please check HDR On/Off settings in
Windows or Mac OS.
•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.

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[Picture] > [Picture Adjust]
•[Brightness]: Adjusts the brightness of the screen.
•[Contrast]: Adjusts the contrast of the screen.
•[Sharpness]: Adjusts the sharpness of the screen.
•[SUPER RESOLUTION+]: 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.
-[High]: Optimizes the screen for crystal clear images. Best for high-definition video or games.
-[Middle]: Optimizes the screen for comfortable viewing, with images at the middle level between the low
and high modes.
-[Low]: Optimizes the screen for smooth and natural images. Best for still images or images with less
movement.
-[Off]: Displays in the most common setting. Disables [SUPER RESOLUTION+].
•[Black Level]: Sets the offset level (for HDMI only).
-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 the screen.
•[DFC]
-[On]: Adjusts the brightness automatically according to the screen.
-[Off]: Disables the [DFC] feature.
[Picture] > [Game Adjust]
•[Response Time]: 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]. 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.
•[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.

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[Picture] > [Color Adjust]
•[Gamma]
-[Mode 1], [Mode 2], [Mode 3]: The higher the gamma value, the darker the image becomes. Likewise, the
lower the gamma value, the lighter the image becomes.
-[Mode 4]: If you do not need to adjust the gamma settings, select [Mode 4].
•[Color Temp]: Set your own color temperature.
-[Custom]: The user can customize the red, green and blue color.
-[Warm]: Sets the screen color to a reddish tone.
-[Medium]: Sets the screen color to between a red and blue tone.
-[Cool]: Sets the screen color to a bluish tone.
-[Manual]: The user can fine-tune the color temperature.
•[Red] / [Green] / [Blue]:You can customize the picture color using [Red], [Green], and [Blue] colors.
•[Six Color]: 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.
[Picture] > [Picture Reset]
•Returns picture and color to the default settings.
[Sound]
•[Volume]: Adjusts the volume level.
•[Waves MaxxAudio®]
-[On]: MaxxAudio®by waves, recipient of a Technical GRAMMY Award®is a suite of studio-quality sound
tools for a superior listening experience.
-[Off]: Disables the [Waves MaxxAudio®] function.

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[General]
•[Language]: Sets the menu screen to the desired language.
•[SMART ENERGY SAVING]: Conserve energy by using luminance compensation algorithm.
-[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 feature.
•[Automatic Standby]: If there is no operation on the monitor for a certain period of time, the monitor will
automatically switch to standby mode.
•[Auto Reverse]
-[On]: Automatically rotates the screen 180 degrees by detecting when the monitor is upside down.
-[Off]: Disables the [Auto Reverse] feature.
•[DisplayPort Version]: Set DisplayPortVersion to the same version as the connected external device. ([1.4]
and [1.2])
To use the HDR function, set to [1.4].
•[Buzzer]:This feature lets you set the sound generated from Buzzer when your monitor powers on.
•[OSD Lock]: This feature disables the configuration and adjustment of menus.
All features are disabled except [Brightness], [Contrast] and [Volume] on [Quick Settings], menus of on
[Input], and [OSD Lock] and [Information] of [General].
•[Deep Sleep Mode]: When [Deep Sleep Mode] is [On], power consumption is minimized while the monitor is
in standby mode.
-[On]: Enables [Deep Sleep Mode].
-[Off]: Disables [Deep Sleep Mode].
•[Information]:The following display information will be shown; [Total Power On Time], [Resolution].
•[Reset to Initial Settings]: Returns to the default settings.
NOTE
•[SMART ENERGY SAVING]
-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.
•[Auto Reverse]
-When rotating 180 degrees, [Response Time] and DAS Mode do not work.