LG UltraGear 34GN85B-B

* 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
34GN850
34GN85B
34GP83A
OWNER’S MANUAL
LG Gaming Monitor
(LED MONITOR*)

LG UltraGear 34GN85B-B Specifications

General

Screen Size	34 inches
Panel Type	IPS
Response Time	1 ms (GtG)
Aspect Ratio	21:9
Contrast Ratio	1000:1
HDR	HDR10
Adaptive Sync	NVIDIA G-Sync Compatible, AMD FreeSync Premium Pro
VESA Mount	100 x 100 mm
Resolution	3440 x 1440
Brightness	400 cd/m²
Color Gamut	DCI-P3 98%
Connectivity	HDMI, DisplayPort, USB
Ports	2 x HDMI, 1 x DisplayPort, 2 x USB 3.0
Refresh Rate	144Hz (160Hz OC)

Summary

ASSEMBLING AND PREPARING

Supported Drivers and Software

Information on downloadable drivers and software for the monitor.

Product and Button Description

Joystick Button Operation

Instructions on operating the monitor using the joystick button for various functions.

Moving and Lifting the Monitor

Safe Handling Precautions

Guidelines to prevent damage and ensure safety when moving or lifting the monitor.

Installing on a Table

Ventilation Guidelines

Recommended spacing from the wall for proper monitor ventilation.

Adjusting Monitor Ergonomics

Stand Height and Angle Adjustment

Instructions for adjusting the monitor's vertical stand height and screen angle.

Cable Management and Security

Tidying Up Cables

Using the cable holder to arrange monitor cables neatly.

Using the Kensington Lock

Instructions for securing the monitor using a Kensington security cable.

Wall Mounting Installation

Installing the Wall Mount Plate

Steps for attaching the wall mount plate to the monitor.

Installing the Monitor on the Wall

Guidelines for mounting the monitor onto a wall, ensuring proper spacing.

USING THE MONITOR

Connecting to a PC

Instructions for connecting the monitor to a personal computer.

HDMI Connection for PC

Details on establishing a video and audio connection using HDMI from a PC.

DisplayPort and AV Connectivity

DisplayPort Connection

Transmitting digital video and audio signals from PC to monitor via DisplayPort.

Connecting AV Devices via HDMI

How to connect AV devices to the monitor using HDMI.

Connecting Peripherals

USB Hub Functionality

Using the monitor's USB port as a hub for peripheral devices.

Headphone Port Connection

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

USER SETTINGS AND NAVIGATION

Activating the Main Menu

Step-by-step guide to access and navigate the monitor's main menu system.

Main Menu Features Overview

Core Menu Options

Description of the main menu options: Input, Power Off, Menu, Game Mode, Exit.

Detailed Menu Settings Categories

Game Mode Configuration

Option to select and configure game-specific display modes.

Game Adjustments

Settings for adjusting game-related parameters like response time and crosshair.

Picture Adjustments

Controls for modifying screen brightness, contrast, sharpness, and color settings.

Input Source Selection

Settings related to selecting the video input source and aspect ratio.

General Settings Menu

General monitor settings including language, power saving, and display information.

Game Mode: SDR Presets

SDR Game Mode Options

Details on Game Mode presets like Gamer 1/2, FPS, RTS, Vivid, Reader for SDR signals.

Game Mode: HDR Presets

HDR Game Mode Options

Details on Game Mode presets for HDR signals, including notes on HDR functionality.

Game Adjust: Overclocking

Overclock Feature Settings

Explanation of the Overclock feature for higher refresh rates and its usage via DisplayPort.

Game Adjust: Adaptive-Sync and Black Stabilizer

Adaptive-Sync Functionality

Information on Adaptive-Sync for synchronizing display refresh rates with graphics card output.

Black Stabilizer Settings

Feature to improve visibility in dark scenes by adjusting black contrast.

Game Adjust: Response Time and Cross Hair

Response Time Settings

Settings for adjusting display response time to reduce motion blur or image sticking.

Cross Hair Feature

Enables an on-screen crosshair for FPS games, with customization options.

Game Reset Option

Option to reset game-specific settings to their default values.

Picture Adjust: Color and Gamma Settings

Gamma and Color Temperature Adjustments

Adjustments for Gamma, Color Temperature, RGB, and Six Color settings.

Brightness, Contrast, Sharpness

Controls for basic picture quality adjustments.

Picture Adjust: Black Level and DFC

Black Level and DFC Settings

Settings for Black Level (HDMI only) and the DFC feature.

Picture Reset Function

Option to reset all picture settings to their default values.

Input Settings

Input Source and Aspect Ratio

Configuration of input sources, aspect ratio display, and automatic input switching.

General Settings: Basic

Language, Energy Saving, Power LED

Settings for Language, Smart Energy Saving, and Power LED behavior.

Standby, Compatibility, DisplayPort Version

Settings for Automatic Standby, HDMI Compatibility, and DisplayPort Version.

General Settings: Advanced

Variable Backlight and Buzzer

Settings for Variable Backlight effects and monitor Buzzer sound.

OSD Lock and Information Display

Controls for OSD Lock and viewing monitor Information.

Reset to Initial Settings

Option to reset all monitor settings to their factory defaults.

TROUBLESHOOTING COMMON ISSUES

No Display or Blank Screen

Solutions for issues where the screen remains blank or displays no image.

Resolution and Flickering Problems

Troubleshooting steps for resolution-related display problems or flickering.

No Signal and Cable Issues

How to resolve the 'No Signal' message indicating connection issues.

Display Driver Installation

Guidance on installing or verifying the display driver for proper functionality.

Unlocking Disabled Features

How to enable features that are currently locked or unavailable.

TROUBLESHOOTING DISPLAY QUALITY

Image Retention Prevention

Addresses image sticking or retention problems and how to prevent them using screensavers.

Display Stability and Image Trails

Solutions for unstable screen display, shaky images, or shadow trails, often related to resolution.

TROUBLESHOOTING COLOR AND AUDIO

Display Color Anomalies

Troubleshooting steps for abnormal, discolored, unstable, or monochrome display issues.

Headphone Port Audio Issues

Solutions for no sound or audio problems when using the headphone port.

PRODUCT SPECIFICATIONS OVERVIEW

Screen and Power Specifications

Details on screen type, color depth, resolution, power rating, and consumption.

Environmental and Adapter Details

Information on operating conditions, environmental factors, and AC/DC adapter.

Physical Specifications

Monitor Dimensions and Weight

Specifications for the monitor's size with and without the stand, and its weight.

Factory Support Modes

PC Preset Modes and Frequencies

Table of preset display modes with horizontal and vertical frequencies for PC input.

HDMIDisplayPort Connection Notes

Notes on specific remarks for HDMI and DisplayPort connections in preset modes.

HDMI Timing Specifications

Video Timing Modes

Table detailing HDMI timing modes and their corresponding frequencies.