AOC U27U2S - User Manual

1
©
www.aoc.com
2021 AOC.All Rights Reserved
TM
LCD Monitor
User Manual
U27U2S/U27U2DS

Summary

Safety

National Conventions

Explains icons and text formatting for notes, cautions, and warnings.

Power Safety

Details safe power source usage, grounded plugs, and overload prevention.

Installation Guidelines

Covers placement, ventilation, and tilt angle restrictions for safe installation.

Cleaning Instructions

Provides guidelines on cleaning the cabinet and screen safely, including disconnecting power.

Other Safety Precautions

Covers unusual smells, ventilation, vibration, dropping, power cord safety, and audio warnings.

Setup

Contents in Box

Details all components provided in the monitor's packaging.

Setup Stand & Base

Step-by-step guide for attaching or removing the monitor stand and base.

Adjusting Viewing Angle

Explains how to adjust the monitor's tilt angle for optimal viewing and safety.

Connecting the Monitor

Details cable connections at the back of the monitor and the steps to connect to a PC.

Wall Mounting

Guides on attaching the monitor to a wall mount arm, including VESA compatibility.

KVM Functionality

Describes how to use the KVM function to control multiple PCs with one set of peripherals.

Adjusting Monitor Settings

Hotkeys Overview

Explains the functions of the monitor's hotkeys for power, volume, and menu navigation.

Clear Vision Feature

Explains the Clear Vision function for image enhancement and how to use its demo mode.

OSD Menu Navigation

Provides basic instructions on using the OSD menu for monitor settings adjustment.

Luminance Settings

Explains settings for Contrast, Brightness, Eco mode, Gamma, DCR, and HDR modes.

Color Setup Options

Covers settings for Color Temperature, DCB Mode, DCB Demo, and LowBlue Mode.

Picture Boost Configuration

Explains Picture Boost settings like Bright Frame, Frame Size, Brightness, and Contrast.

OSD Setup Details

Details OSD settings including language, timeout, DP capability, USB selection, and OSD transparency.

PIP Setting Configuration

Explains settings for PIP/PBP modes, including main/sub source, size, position, and audio.

Game Setting Options

Covers game-specific settings like Game Mode (FPS, RTS, Racing), Shadow Control, Overdrive, and Game Color.

Extra Settings Menu

Details extra settings such as Input Select, Off Timer, Image Ratio, DDC/CI, and Reset options.

Exiting the OSD Menu

Explains how to exit the main On-Screen Display menu.

LED Indicator Status

Power Mode Indicators

Describes the LED indicator colors for different power modes.

Troubleshooting Guide

Common Problem Resolution

Provides solutions for common issues like no image, fuzzy picture, and connectivity problems.

Monitor Specifications

General Specification Details

Lists general specifications like model name, display size, resolution, power, and connectors.

Preset Display Modes

Details standard, IBM, and MAC display modes with their resolutions and frequencies.

Connector Pin Assignments

Connector Pin Assignments

Shows pin assignments for the 19-pin and 20-pin display signal cables.

Plug and Play Feature

Plug & Play DDC2 B Explanation

Explains the monitor's Plug & Play DDC2B capabilities for host communication.

Overview

1. Function Description
2. Usage Features
3. Maintenance Features
4. Power Safety
5. Installation Safety
6. Cleaning
7. Other Safety Considerations

This document serves as a user manual for the AOC U27U2S/U27U2DS LCD Monitor, providing comprehensive instructions for setup, operation, and maintenance.

Function Description

The AOC U27U2S/U27U2DS is an LCD monitor designed for various computing tasks, offering a range of features to enhance user experience. Its primary function is to display visual output from connected devices, such as PCs and notebooks. The monitor supports multiple input sources, including HDMI, DisplayPort, and USB-C, allowing for flexible connectivity with different systems.

A key feature of this monitor is its KVM (Keyboard, Video, Mouse) function. This allows users to connect two different devices (e.g., two PCs, two notebooks, or one PC and one notebook) to the monitor and control both using a single set of keyboard and mouse connected to the monitor's USB ports. The KVM function simplifies the workspace by eliminating the need for separate peripherals for each connected device. Users can switch control between the devices by selecting the appropriate input signal source through the On-Screen Display (OSD) menu. The USB Selection option in the OSD setup allows users to choose between "Auto," "USB C," or "USB UP" to determine how the USB hub function operates based on the input source. "Auto" automatically selects USB C or USB Up depending on the input source, while "USB C" and "USB Up" provide USB Hub functionality through the respective cables.

The monitor also includes a Picture-in-Picture (PIP) and Picture-by-Picture (PBP) function, enabling the display of content from multiple sources simultaneously. Users can select the main and sub-screen sources, adjust the screen size (Small, Middle, Large), and set the position of the sub-screen (Right-up, Right-down, Left-up, Left-down). Audio settings for PIP can also be configured, allowing users to choose between PIP audio or main audio. A "Swap" function is available to interchange the main and sub-screen sources.

For visual enhancement, the monitor features "Clear Vision" technology, which converts low-resolution and blurry images into clear and vivid ones. This function can be activated via a hotkey and offers different settings (Weak, Medium, Strong, Off) to adjust the level of enhancement. A "Clear Vision Demo" mode is also available to showcase the effect.

The monitor supports various display modes, including Eco Mode (Standard, Text, Internet, Game, Movie, Sports, Reading, Uniformity), which optimizes display settings for different content types. It also includes Gamma adjustments (Gamma1, Gamma2, Gamma3) and Dynamic Contrast Ratio (DCR) to fine-tune image quality. HDR (High Dynamic Range) support is provided, with options like DisplayHDR, HDR Picture, HDR Movie, and HDR Game, which set the HDR profile according to usage requirements. When HDR is detected, these options become available for adjustment. If HDR is not detected, an "HDR Mode" option is displayed, which simulates the HDR effect.

Color Setup options allow users to adjust color temperature (Warm, Normal, Cool, sRGB, User-defined RGB gains), and utilize DCB (Dynamic Color Boost) modes (Full Enhance, Nature Skin, Green Field, Sky-blue, Auto Detect, OFF) to enhance specific color ranges. A "LowBlue Mode" is also available to decrease blue light emission, which can be beneficial for eye comfort during extended use.

For gaming, the monitor offers a "Game Setting" menu with various modes like FPS (First Person Shooter), RTS (Real Time Strategy), Racing, and three customizable Gamer modes. These modes optimize dark level details, image quality, response time, and color saturation for specific game genres. "Shadow Control" allows users to adjust contrast in dark areas for better visibility. "Overdrive" adjusts the response time, and "Low Input Lag" turns off the frame buffer to decrease input lag. The "Dial Point" function places an aiming indicator in the center of the screen, aiding in FPS games. "Adaptive-Sync" adjusts the V-frequency, and a "Frame Counter" can display the V-frequency on a selected corner of the screen.

The "Extra" menu provides additional settings such as "Input Select" for choosing the signal source, "Off Timer" to set a DC off time, and "Image Ratio" to select display aspect ratios (Wide, 4:3, 1:1). "DDC/CI" (Display Data Channel/Command Interface) support can be turned ON or OFF, and a "Reset" option allows users to revert all menu settings to default.

Usage Features

The monitor is designed for ease of use with an intuitive OSD menu and hotkeys. The OSD menu is accessed via the MENU-button, and navigation is done using the "V" and "Λ" buttons. Settings can be adjusted by pressing the MENU-button again and using the "V" or "Λ" buttons. The AUTO-button serves as an exit key.

Hotkeys provide quick access to frequently used functions:

• Source/Exit: Activates signal source switching or acts as an exit key in the OSD menu.
• Volume/Λ: Adjusts headphone output volume when the OSD is closed, or navigates up/increases values in the OSD.
• Clear Vision/V: Activates Clear Vision settings or navigates down/decreases values in the OSD.
• Menu/Enter: Activates the OSD menu or confirms function adjustments.
• Power: Turns the monitor on or off.

The OSD Lock Function prevents accidental changes to settings. It can be activated by pressing and holding the MENU-button while the monitor is off, then pressing the power button. To unlock, the same procedure is followed.

The monitor offers adjustable viewing angles, including tilt (-6.5° to 23°) and height adjustment (150mm), to ensure optimal viewing comfort. It also supports wall mounting using a VESA-compatible mounting arm (purchased separately).

The LED indicator provides visual feedback on the monitor's status: white for full power mode and orange for active-off mode.

Maintenance Features

The manual provides clear guidelines for the safe installation and maintenance of the monitor.

Power Safety:

• The monitor should only be operated from the power source indicated on its label.
• It is equipped with a three-pronged grounded plug for safety; if the outlet does not accommodate it, an electrician should install the correct outlet or an adapter should be used.
• Unplug the unit during lightning storms or when not in use for extended periods to prevent damage from power surges.
• Avoid overloading power strips and extension cords to prevent fire or electric shock.
• Use only UL listed computers with appropriate receptacles (100-240V AC, Min. 5A).
• The wall socket should be easily accessible.

Installation Safety:

• Do not place the monitor on unstable surfaces; use only recommended carts, stands, tripods, brackets, or tables.
• Never push objects into the monitor's slots or spill liquids on it.
• Do not place the front of the product on the floor.
• When wall mounting, use a manufacturer-approved kit and follow its instructions.
• Ensure adequate ventilation around the monitor (at least 10cm on sides and 30cm on top) to prevent overheating.
• To prevent screen damage, avoid tilting the monitor downward by more than -6.5 degrees and do not press on the screen while adjusting its angle; grasp only the bezel.

Cleaning:

• Clean the cabinet regularly with a soft cloth and mild detergent (avoid strong detergents).
• Ensure no detergent leaks into the product.
• Use a soft cleaning cloth to avoid scratching the screen surface.
• Always disconnect the power cord before cleaning.

Other Safety Considerations:

• If the product emits strange smells, sounds, or smoke, immediately disconnect the power plug and contact a Service Center.
• Ensure ventilating openings are not blocked.
• Avoid severe vibration or high impact conditions during operation.
• Do not knock or drop the monitor.
• Use safety-approved power cords (e.g., H03VV-F, 3G, 0.75 mm2 or better for Germany).
• Be aware that excessive sound pressure from earphones/headphones can cause hearing loss; adjusting the equalizer to maximum increases output voltage and sound pressure.

The manual also includes a "Troubleshoot" section that lists common problems and their possible solutions, such as issues with the power LED, no image on the screen, fuzzy pictures, screen flickering, missing colors, or improper screen centering. This section guides users through basic diagnostic steps, including checking cable connections, power supply, video card settings, and monitor drivers, before recommending contacting a service center if the problem persists.

AOC U27U2S Specifications