This document serves as the user manual for AOC LCD Monitors, specifically models G2490VX/G2490VXA and G2790VX/G2790VXA. It provides comprehensive instructions for safe operation, setup, adjustment, troubleshooting, and general maintenance of the monitor.
Function Description
The AOC LCD Monitor is a display device designed to be connected to a computer or other video sources to display visual information. It functions as the primary visual interface for users, allowing them to interact with their computer systems, view multimedia content, and engage in various applications, including gaming. The monitor supports high-definition multimedia input, ensuring clear and vibrant image display. It is equipped with an On-Screen Display (OSD) menu system, which allows users to customize various display settings to suit their preferences and optimize viewing experience. The monitor also features Adaptive-Sync technology, which helps to synchronize the monitor's refresh rate with the graphics card's frame rate, reducing screen tearing and stuttering for smoother gameplay.
Usage Features
The monitor offers a range of features designed to enhance user experience and flexibility:
- Adjustable Viewing Angle: The monitor's stand allows for tilt adjustments, typically ranging from -5° to 23°, enabling users to set the screen at an optimal angle for comfortable viewing. This helps to reduce strain on the neck and eyes during prolonged use.
- Multiple Connectivity Options: The monitor provides various input connectors, including HDMI and DisplayPort (DP), allowing it to be connected to a wide array of devices such as desktop computers, laptops, and gaming consoles. An earphone output is also available for audio connectivity.
- On-Screen Display (OSD) Menu: The OSD menu is the central control panel for adjusting monitor settings. It is accessed via physical buttons on the monitor and allows users to navigate through different categories like Luminance, Color Setup, Picture Boost, OSD Setup, Game Setting, and Extra.
- Luminance Settings: Within the Luminance menu, users can adjust Contrast and Brightness to control the overall light and dark levels of the display. It also includes "Eco mode" presets (Standard, Text, Internet, Game, Movie, Sports, Reading) that optimize display settings for different content types, and "Gamma" adjustments (Gamma1, Gamma2, Gamma3) to fine-tune color tones. Dynamic Contrast Ratio (DCR) can be enabled or disabled to automatically adjust contrast based on screen content. HDR Mode (HDR Picture, HDR Movie, HDR Game) is also available for enhanced visual quality with High Dynamic Range content, though some settings become unadjustable when HDR is active.
- Color Setup: This menu allows for detailed color calibration. Users can select from various "Color Temp." presets (Warm, Normal, Cool, sRGB, User) or manually adjust Red, Green, and Blue gain levels. The "DCB Mode" (Dynamic Color Boost) offers options like Full Enhance, Nature Skin, Green Field, Sky-blue, and AutoDetect to dynamically enhance specific color ranges, or it can be turned off. A "DCB Demo" mode is also available to showcase the effect of DCB.
- Picture Boost: This feature allows users to highlight a specific area of the screen with enhanced brightness and contrast. Users can define the "Bright Frame" (on or off), adjust its "Frame Size," and modify its "Brightness," "Contrast," "H. position," and "V. position" within the frame. This can be useful for focusing on details in images or videos.
- OSD Setup: This section manages the OSD menu itself. Users can select the "Language," set the "Timeout" for how long the OSD remains visible, and adjust the "H. Position" and "V. Position" of the OSD on the screen. "Volume" control for the earphone output and "Transparence" of the OSD background are also available. The "DP Capability" setting allows users to select between DP1.1 and DP1.2 based on the video content. A "Break Reminder" can be set to prompt users to take breaks after continuous work.
- Game Setting: Tailored for gamers, this menu offers "Game Mode" presets (FPS, RTS, Racing, Gamer 1, Gamer 2, Gamer 3, OFF) that optimize display settings for different game genres, improving visibility in dark areas or enhancing response times. "Shadow Control" allows users to adjust the visibility of dark areas without overexposing bright ones. "Overdrive" settings (Weak, Medium, Strong, Boost, Off) can be used to reduce motion blur by accelerating pixel response times. "Game Color" allows for saturation adjustments to make colors more vibrant. "LowBlue Mode" (Reading / Office, Internet, Multimedia, Off) reduces blue light emission to minimize eye strain. "MBR" (Motion Blur Reduction) helps to further reduce blur. "Adaptive-Sync" (On/Off) ensures smooth, tear-free visuals by synchronizing the monitor's refresh rate with compatible graphics cards. A "Frame Counter" can display the V frequency on a selected corner of the screen.
- Extra Menu: This menu includes "Input Select" to manually choose the video input source, "Off timer" to set a time for the monitor to automatically turn off, and "Image Ratio" (Wide, 4:3) to adjust the aspect ratio of the display. "DDC/CI" (Display Data Channel/Command Interface) support can be enabled or disabled, and a "Reset" option is available to restore all OSD settings to their factory defaults.
- Hotkeys: Dedicated hotkeys provide quick access to frequently used functions without navigating the full OSD menu. These include Source/Exit, Dial Point (to show/hide a crosshair for gaming), Game Mode, and Image Ratio. The Power/Menu/Enter button serves multiple functions, including turning the monitor on/off, displaying the OSD, and confirming selections.
- Adaptive-Sync Function: The monitor supports Adaptive-Sync technology, which works with compatible graphics cards (such as AMD Radeon™ RX Vega, RX 500, RX 400, R9/R7 300, R9 Nano, R9 Fury, and R9/R7 200 series) via DP/HDMI connections. This feature dynamically adjusts the monitor's refresh rate to match the frame rate of the graphics card, eliminating screen tearing and minimizing stuttering and input lag.
Maintenance Features
Proper maintenance ensures the longevity and optimal performance of the monitor:
- Cleaning: The monitor cabinet should be cleaned regularly with a soft cloth and a mild detergent. Strong detergents should be avoided as they can damage the cabinet. When cleaning the screen, a soft, non-abrasive cloth should be used to prevent scratches, and care should be taken to prevent any liquid from leaking into the product. It is crucial to disconnect the power cord before cleaning the monitor.
- Ventilation: Adequate space around the monitor is essential for proper air circulation to prevent overheating, which can lead to damage or fire. Recommended clearances are provided for both stand-mounted and wall-mounted installations.
- Power Management: The monitor should be connected to a grounded power outlet of the specified voltage (100-240V AC, Min. 5A). It is recommended to unplug the unit during lightning storms or when it will not be used for extended periods to protect against power surges. Overloading power strips and extension cords should be avoided to prevent fire or electric shock.
- Physical Handling: The monitor should be placed on a stable surface. When adjusting the viewing angle, the stand should be held to prevent the monitor from toppling. The LCD screen should not be touched directly when adjusting the angle to avoid damage. The monitor should not be subjected to severe vibration or high impact during operation or transportation. Objects should never be pushed into the monitor's slots, and liquids should not be spilled on it.
- Troubleshooting Guide: The manual includes a troubleshooting section to help users diagnose and resolve common issues such as no image on the screen, fuzzy pictures, flickering, or color defects. This guide provides solutions like checking cable connections, adjusting display settings, and ensuring proper driver installation.
- LED Indicator: The monitor features an LED indicator that shows its current status: white for full power mode and orange for active-off mode, providing a quick visual cue of the monitor's operational state.
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