LG 27UP850-W 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.
27UP850
27BP85U
OWNER’S MANUAL
LED LCD MONITOR
(LED Monitor*)
www.lg.com
Copyright © 2020 LG Electronics Inc. All Rights Reserved.

LG 27UP850-W Specifications

General

Screen Size	27 inches
Resolution	3840 x 2160 (4K UHD)
Panel Type	IPS
Aspect Ratio	16:9
Brightness	400 cd/m²
Refresh Rate	60Hz
Response Time	5ms (GtG)
HDR	HDR10
Color Gamut	DCI-P3 95%
VESA Mount	100 x 100 mm
Ports	2x HDMI, 1x DisplayPort, 1x USB-C, 2x USB 3.0
Stand	Tilt, Height, Pivot
Contrast Ratio	1000:1
Viewing Angle	178°
USB-C Power Delivery	Up to 90W
Speakers	5W x 2

Summary

Open Source Software Notice

Supported Drivers and Software

Information on downloading and installing the latest drivers and software from the LG website.

Assembling and Preparing

Product and Button Description

Joystick Button

Explanation of the joystick button's location and operation.

How to Use the Joystick Button

Instructions on how to control the monitor's functions using the joystick button.

Basic Functions

Overview of basic operations like power on/off and volume control using the joystick.

Moving and Lifting the Monitor

Installing on a Table

Instructions for placing the monitor on a table and ensuring proper ventilation.

Adjusting the Stand Height

Steps to adjust the monitor's screen height for comfortable viewing.

Adjusting the Angle

Instructions for adjusting the monitor's screen angle.

Monitor Features

Pivot Feature

Explanation of how to use the monitor's pivot (rotation) feature.

Security and Mounting

Using the Kensington Lock

Guide on how to use the Kensington security system with the monitor.

Installing the Wall Mount Plate

Information about compatible wall mount plates and their specifications.

Installing on the Wall

Instructions for mounting the monitor on a wall, including spacing requirements.

Using the Monitor

Connecting to a PC

Instructions for connecting the monitor to a computer.

HDMI Connection

Details on connecting the monitor via HDMI, including cable recommendations.

DisplayPort Connection

Information about connecting the monitor via DisplayPort and supported versions.

USB-C connection

Guide to connecting the monitor via USB-C, including supported features like PD and DP Alternate Mode.

Connecting AV Devices

Instructions for connecting audio-visual devices to the monitor.

USB Device connection

How to use the monitor's USB ports as a hub for connecting devices.

Headphones Connection

Instructions for connecting headphones to the monitor's audio port.

User Settings

Activating the Main Menu

Steps to open the main menu using the joystick button.

Main Menu Features

Overview of the main menu options available on the monitor.

Menu Settings

Instructions for navigating and using the monitor's menu settings.

Quick Settings

Brightness and Contrast

How to adjust the screen's brightness and contrast levels.

Volume Adjustment

Instructions for adjusting the monitor's volume level.

Color Temperature Settings

Options for setting the screen's color temperature (Custom, Warm, Medium, Cool, Manual).

Waves MaxxAudio Feature

Information about the MaxxAudio feature and its settings (On/Off).

Input

Input List Selection

Guide to selecting the desired input mode from the list.

Aspect Ratio Adjustment

How to adjust the screen's aspect ratio for optimal display.

Picture

Picture Mode Settings

Explanation of various picture modes (Custom, Vivid, HDR, Reader, Cinema, FPS, RTS, Color Weakness, sRGB, DCI-P3, Calibration).

Picture Mode (HDR Signal)

Specific picture modes optimized for HDR content.

Picture Adjust

Adjustments for brightness, contrast, sharpness, black level, and DFC.

Sharpness Adjustment

How to adjust the screen's sharpness for clarity.

SUPER RESOLUTION+ Feature

Explanation of the SUPER RESOLUTION+ feature for enhancing image sharpness.

Black Level Adjustment

How to adjust the black level for better visibility in dark scenes.

DFC Feature

Description of the DFC (Dynamic Contrast) feature.

Game Adjust

Settings optimized for gaming performance, including response time and FreeSync.

Response Time Settings

Adjusting the response time for smoother motion and reduced image sticking.

FreeSync Feature

Information about FreeSync technology for synchronized gaming visuals.

Black Stabilizer

Adjusting black levels for improved visibility in dark game scenes.

Color Adjust

Advanced color adjustments including Gamma, Color Temp, Red/Green/Blue, and Six Color.

Gamma Settings

Adjusting gamma values to control image brightness and contrast.

Color Temperature Adjustment

Detailed options for customizing color temperature (Custom, Warm, Medium, Cool, Manual).

Red, Green, Blue Color Control

Fine-tuning individual RGB color channels for custom picture adjustments.

Six Color Adjustment (Hue & Saturation)

Adjusting hue and saturation for six primary colors (R, G, B, Cyan, Magenta, Yellow).

Picture Reset

Option to reset picture settings to their default values.

Sound

Volume Control

Adjusting the monitor's volume level and mute function.

Waves MaxxAudio Feature

Information about the MaxxAudio feature and its settings (On/Off).

General

Language Selection

Setting the display language for the monitor's menu.

SMART ENERGY SAVING Feature

Adjusting energy saving modes (High, Low, Off) for power conservation.

Power LED Indicator

Information on the monitor's power LED status and modes.

Automatic Standby Feature

Setting the monitor to automatically turn off after a period of inactivity.

DisplayPort Version Setting

Selecting the DisplayPort version (1.4, 1.2) for compatibility with external devices.

HDMI ULTRA HD Deep Color

Enabling ULTRA HD Deep Color for sharper images with compatible devices.

Buzzer Sound Setting

Enabling or disabling the buzzer sound when the monitor powers on.

OSD Lock Feature

Locking or unlocking the On-Screen Display (OSD) menus to prevent changes.

OSD Size Adjustment

Adjusting the size of the On-Screen Display (OSD) menus.

Deep Sleep Mode

Enabling or disabling Deep Sleep Mode for power saving during standby.

Display Information

Viewing display information such as total power on time and resolution.

Reset to Initial Settings

Resetting all monitor settings to their factory default values.

Troubleshooting

Troubleshooting: No Display

Steps to resolve issues where the screen shows no image.

Troubleshooting: Unstable Display or Shadow Trails

Solutions for unstable screen display or image ghosting.

Troubleshooting: Image Sticking

Information about image sticking and how to prevent it.

Troubleshooting: Screen Spots

Explanation of pixel spots on the screen and their normality.

Troubleshooting: Disabled Features

How to resolve issues where certain monitor functions are unavailable.

Troubleshooting: Unrecognized Monitor

Steps to resolve issues related to the monitor not being recognized by the PC.

Troubleshooting: No Sound from Headphone Port

Solutions for issues with no sound output from the headphone port.

Troubleshooting: No Sound with Image

Steps to ensure audio is working correctly when an image is displayed.

Product Specification

Color Depth Specification

Information on the monitor's supported color depth (8-bit / 10-bit).

Resolution Specifications

Details on the monitor's maximum and recommended resolutions and refresh rates.

Power Source Specifications

Information on the power rating, consumption, and AC/DC adapter.

Environmental Conditions

Operating and storing conditions (temperature, humidity) for the monitor.

Dimensions

Physical dimensions of the monitor with and without the stand.

Weight Specifications

Weight of the monitor with and without packaging.

Factory Support Mode (PC)

Factory Support Mode (HDMI)

HDMI Timing (Video)