KOORUI S2721XO 27-inch QD-OLED Gaming Monitor User Manual

Introduction

This manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your KOORUI S2721XO 27-inch QD-OLED Gaming Monitor. Please read this manual thoroughly before using the product to ensure proper functionality and to prevent damage.

Image: KOORUI S2721XO 27-inch QD-OLED Gaming Monitor showcasing its main features like 240Hz refresh rate, 0.03ms response time, QHD resolution, QD-OLED panel, VESA compatibility, 99% DCI-P3 color gamut, Eye Care, and Adaptive Sync.

Package Contents

Verify that all components are present in the package:

• KOORUI S2721XO 27-inch QD-OLED Gaming Monitor
• Monitor Stand (Base and Neck)
• Power Cable
• HDMI Cable
• DisplayPort Cable
• User Manual (this document)
• Warranty Card (if applicable)

Setup Instructions

1. Assembling the Stand

1. Carefully remove the monitor and stand components from the packaging.
2. Attach the stand neck to the monitor panel. Ensure it clicks securely into place or is fastened with screws as indicated in the quick start guide.
3. Attach the stand base to the stand neck, securing it with the provided screw.
4. Place the assembled monitor on a stable, flat surface.

Alternatively, the monitor supports VESA 75mm x 75mm mounting for wall mounts or monitor arms. Ensure the VESA mount is rated for the monitor's weight (3 kg).

Image: Illustrations showing the monitor's ergonomic adjustments including height adjustment (110mm), tilt (-20° to 20°), 90° pivot for vertical viewing, and swivel (-5° to 20°).

2. Connecting Cables

Identify the ports on the back of your monitor and connect the necessary cables.

Image: Rear view of the KOORUI S2721XO monitor showing the connectivity ports: 1. Power cable input, 2. HDMI 2.1, 3. HDMI 2.1, 4. DisplayPort 1.4, 5. Audio output interface. Also shows VESA 100x100mm mounting points.

• Power Cable: Connect one end of the power cable to the monitor's power input and the other end to a power outlet.
• Video Input:
  • For HDMI connection, use the provided HDMI cable to connect your computer's HDMI output to one of the monitor's HDMI 2.1 ports.
  • For DisplayPort connection, use the provided DisplayPort cable to connect your computer's DisplayPort output to the monitor's DisplayPort 1.4 port.
• Audio Output: If desired, connect external speakers or headphones to the audio output jack.

3. Initial Power On

1. Press the power button on the monitor.
2. Turn on your computer. The monitor should automatically detect the input signal. If not, you may need to manually select the input source using the OSD menu.

Operating Instructions

On-Screen Display (OSD) Menu

The OSD menu allows you to adjust various monitor settings. Typically, a joystick or a set of buttons located on the back or bottom of the monitor is used to navigate the OSD.

• Press the OSD button/joystick to open the menu.
• Use the navigation controls to move through options.
• Press the select button to confirm a selection.
• Press the exit button to close the OSD menu.

Picture Settings

• Brightness/Contrast: Adjust these settings to suit your viewing environment.
• Color Temperature: Select from preset modes (e.g., Warm, Cool, User) or customize RGB values.
• HDR (High Dynamic Range): The monitor supports HDR 400. Enable HDR in your operating system and monitor settings for enhanced contrast and color detail.

Image: Comparison of a standard display versus the KOORUI S2721XO monitor with HDR (High-Dynamic Range) enabled, showing richer visual effects and realistic details.

Gaming Features

• Refresh Rate: The monitor supports up to 240Hz. Ensure your graphics card and system settings are configured to utilize this refresh rate for smooth gameplay.
• Response Time: With a 0.03ms response time, motion blur is significantly reduced.
• Adaptive Sync: This technology synchronizes the monitor's refresh rate with your GPU's frame rate, eliminating screen tearing and stuttering. Enable Adaptive Sync in the OSD menu and your graphics card control panel.

Image: A visual demonstration of Adaptive Sync technology, showing the difference between Adaptive Sync OFF (with screen tearing and stuttering) and Adaptive Sync ON (with smooth, tear-free visuals).

Image: A visual comparison illustrating the ultra-high refresh rate of 240Hz and 0.03ms response time, contrasting it with a 100Hz 5ms display to show the improved fluidity and reduced ghosting.

Eye Care Mode

The monitor includes features designed to reduce eye strain during extended use. Access the Eye Care settings in the OSD menu to enable modes that reduce blue light emission or adjust flicker-free settings.

Maintenance

Cleaning the Monitor

• Always power off the monitor and unplug the power cable before cleaning.
• Use a soft, lint-free cloth slightly dampened with water or a specialized screen cleaner.
• Do not spray cleaner directly onto the screen.
• Avoid using abrasive cleaners, waxes, or solvents as they can damage the screen surface.
• Wipe the monitor casing with a soft, dry cloth.

Storage

When storing the monitor for an extended period, ensure it is powered off, unplugged, and stored in a cool, dry place away from direct sunlight and extreme temperatures. Use original packaging if available for best protection.

Troubleshooting

Specifications

Warranty Information

The KOORUI S2721XO monitor comes with a 2-year warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. Please retain your proof of purchase for warranty claims. For detailed terms and conditions, refer to the warranty card included in your package or visit the official KOORUI website.

Support and Contact

For further assistance, technical support, or customer service inquiries, please visit the official KOORUI website or contact their customer support team. You can also refer to the official PDF instructions for use:

Download Official User Manual (PDF)