This document is a user manual for an AOC LCD Monitor, model U34E2M, providing comprehensive instructions for its safe operation, setup, adjustment, and troubleshooting.

Function Description

The AOC U34E2M is an LCD monitor designed for various computing tasks, offering a high-definition visual experience. It functions as a primary display for computers, capable of connecting via HDMI and DisplayPort interfaces. The monitor supports Adaptive-Sync technology, which synchronizes the display's refresh rate with the graphics card's frame rate, reducing screen tearing and stuttering for a smoother visual experience, particularly in gaming. It also features Picture-in-Picture (PIP) and Picture-by-Picture (PBP) capabilities, allowing users to display content from multiple sources simultaneously. The monitor is equipped with an earphone out port for audio connectivity.

Usage Features

The monitor offers a range of features to enhance user experience and visual comfort:

Setup and Installation: The manual details how to set up the stand and base, including steps for both assembly and removal. It also provides instructions for wall mounting, specifying screw dimensions and safety precautions. Proper ventilation is emphasized, with recommended distances around the monitor to prevent overheating.
Adjusting Viewing Angle: Users can adjust the monitor's tilt angle from -5° to 23° for optimal viewing. The manual advises holding the stand firmly and avoiding touching the LCD screen during adjustment to prevent damage.
Connectivity: The monitor provides multiple input options, including two HDMI ports and one DisplayPort, along with an earphone out port. Instructions are given for connecting the monitor to a PC, including power and signal cable connections.
On-Screen Display (OSD) Settings: The OSD menu allows users to customize various display parameters. Navigation is done using hotkeys, with clear instructions on how to access and adjust settings.
- Hotkeys: Dedicated buttons on the monitor provide quick access to functions like Power, Menu/Enter, Volume, and Source/Exit.
- Clear Vision: This feature enhances image quality by converting low-resolution and blurry images into clear and vivid ones. Users can select between "weak," "medium," "strong," or "off" settings. A "Clear Vision Demo" mode is also available to showcase the effect.
- Luminance: This section of the OSD allows adjustment of Contrast and Brightness. It also includes "Eco mode" with presets like Standard, Text, Internet, Game, Movie, Sports, Reading, and Uniformity, which optimize display settings for different content types. The "DCR" (Dynamic Contrast Ratio) feature can be enabled or disabled. "HDR Mode" offers presets like HDR Picture, HDR Movie, and HDR Game, but note that when HDR Mode is active, Contrast, Brightness, and Gamma cannot be adjusted.
- Color Setup: Users can fine-tune color temperature with options like Warm, Normal, Cool, sRGB, and User-defined settings. The "DCB Mode" (Dynamic Color Boost) provides various color enhancement modes such as Full Enhance, Nature Skin, Green Field, Sky-blue, and AutoDetect, which can be enabled or disabled. A "DCB Demo" is also available. Individual Red, Green, and Blue gain adjustments are provided. The "LowBlue Mode" offers settings like Reading, Office, Internet, Multimedia, or Off, to reduce blue light emission for eye comfort. Note that when "HDR Mode" is active, all items under "Color Setup" cannot be adjusted.
- Picture Boost: This feature allows users to define a specific "Bright Frame" area on the screen and adjust its brightness, contrast, and position independently. This can be useful for highlighting certain parts of the display.
- OSD Setup: This menu allows customization of the OSD itself, including Language, Timeout (how long the OSD remains visible), DP Capability (1.1/1.2, relevant for Adaptive-Sync), H. Position and V. Position (to adjust OSD placement), Transparence, and a "Break Reminder" that can be set to remind users to take breaks after continuous work.
- PIP Setting: This section manages the Picture-in-Picture and Picture-by-Picture functions. Users can select the main and sub input sources, adjust the PIP window size (Small, Middle, Large), position (Right-Up, Right-Down, Left-Down, Left-Up), and audio source. A "Swap" function allows switching between main and sub screen sources.
- Game Setting: This menu provides features specifically for gamers. "Game Mode" offers presets like FPS (First Person Shooter), RTS (Real Time Strategy), Racing, and three customizable Gamer profiles, along with an "off" option. "Shadow Control" allows adjustment of dark area visibility. "Low Input Lag" can be turned on or off to reduce display latency. "Game Color" adjusts color saturation. "Dial Point" places an aiming indicator on the screen. "Overdrive" adjusts response time. "Adaptive-Sync" can be enabled or disabled. "Frame Counter" displays the refresh rate. "MBR" (Motion Blur Reduction) adjusts the blur reduction level. Note that when "HDR Mode" is active, "Game Mode," "Shadow Control," and "Game Color" cannot be adjusted.
- Extra: This menu includes "Input Select" for choosing the signal source, "Off timer" for setting an automatic power-off time, "Image Ratio" for adjusting aspect ratio (Wide, 4:3, 1:1, movie1, movie2), "DDC/CI" (Display Data Channel/Command Interface) support, and a "Reset" option to restore default settings.
- Exit: This option closes the OSD menu.
LED Indicator: The monitor's LED indicator shows the current power status: white for Full Power Mode and orange for Active-off Mode.
Plug and Play (DDC2B): The monitor supports VESA DDC2B, allowing it to communicate its identity and display capabilities to the connected host system.

Maintenance Features

The manual provides clear guidelines for maintaining the monitor to ensure its longevity and proper functioning:

Cleaning: The cabinet should be cleaned regularly with a water-dampened, soft cloth. For the screen, a soft cotton or microfiber cloth, damp and almost dry, should be used. It is crucial to disconnect the power cord before cleaning and to prevent any liquid from entering the case.
Power Safety: The monitor should only be operated from the specified power source. It is equipped with a grounded plug for safety. Users are warned against overloading power strips, unplugging during lightning storms, and using the monitor with non-UL listed computers. The wall socket should be easily accessible.
Installation Safety: Warnings are provided against placing the monitor on unstable surfaces, pushing objects into slots, spilling liquids, or placing the front of the product on the floor. When wall mounting, only manufacturer-approved kits should be used, and instructions followed carefully. Adequate space around the monitor is required for air circulation to prevent overheating. A specific warning is given regarding the tilt angle to prevent panel damage, stating that tilting downward beyond -5 degrees is not covered under warranty.
General Safety: Users are advised to disconnect the power plug immediately and contact a Service Center if the product emits strange smells, sounds, or smoke. Ventilating openings should not be blocked. The monitor should not be subjected to severe vibration, high impact, knocking, or dropping during operation or transportation.
Troubleshooting: A dedicated section offers solutions for common issues such as the power LED not being on, no images on the screen, fuzzy or ghosting pictures, flickering or wave patterns, the monitor being stuck in "Active Off-Mode," missing primary colors, color defects, and horizontal or vertical disturbances. It suggests checking cable connections, adjusting settings, rebooting the computer, and ensuring drivers are installed. For regulation and service information, users are directed to www.aoc.com.

AOC U34E2M - Exit OSD Menu

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