1. Introduction
This manual provides essential information for the proper setup, operation, and maintenance of your KOORUI 27E3QK 27-inch WQHD 240Hz Gaming Monitor. Please read this manual thoroughly before using the product to ensure optimal performance and safety.
The KOORUI 27E3QK monitor features a 27-inch QHD (2560x1440) display, a 240Hz refresh rate, and a 1ms (OD) response time, designed to deliver a smooth and responsive gaming experience. It supports AdaptiveSync technology, HDR 400, and offers versatile connectivity options including HDMI and DisplayPort.
Image 1.1: KOORUI 27E3QK 27-inch WQHD 240Hz Gaming Monitor front view.
2. Safety Information
Observe the following safety precautions to prevent damage to the monitor and ensure your safety:
- Do not place the monitor on an unstable cart, stand, or table.
- Do not block ventilation openings.
- Do not expose the monitor to rain or moisture.
- Use only the power adapter provided with the monitor.
- Disconnect the power plug from the outlet if the monitor will not be used for an extended period.
- Refer all servicing to qualified service personnel.
3. Package Contents
Verify that all items are present in your product package:
- KOORUI 27E3QK Monitor
- Power Adapter
- DisplayPort 1.4 Cable
- User's Guide
4. Setup
4.1 Stand Assembly
To assemble the stand:
- Carefully remove the monitor from its packaging.
- Attach the stand base to the stand neck.
- Secure the assembled stand to the back of the monitor using the provided screws. Ensure it clicks into place or is firmly tightened.
Image 4.1: Monitor with stand, illustrating ergonomic adjustments.
4.2 VESA Mounting
The monitor is VESA mount compatible (75x75mm). To mount the monitor on a VESA-compatible arm or wall mount, remove the stand and attach the VESA mount directly to the monitor's rear panel.
Image 4.2: Rear view of the monitor highlighting the VESA mount area and input ports.
4.3 Connecting to a Device
Connect the monitor to your computer or other devices using the appropriate cables:
- Power: Connect the power adapter to the monitor's power input and then to a power outlet.
- DisplayPort: Use the provided DisplayPort 1.4 cable for optimal performance (up to 1440p at 240Hz).
- HDMI: Two HDMI 2.0 ports are available. HDMI 1 supports 1080p at 240Hz, and HDMI 2 supports 1440p at 144Hz.
- Audio Out: Connect external speakers or headphones to the 3.5mm audio output jack.
5. Operating Instructions
5.1 Power On/Off
Press the power button (usually located on the bottom or rear of the monitor) to turn the monitor on or off. The power indicator light will illuminate when the monitor is on.
5.2 On-Screen Display (OSD) Menu
The OSD menu allows you to adjust various monitor settings. Navigate the OSD using the joystick control typically located on the rear of the monitor.
- Press the joystick inward to open the OSD menu.
- Move the joystick up/down/left/right to navigate through menu options.
- Press the joystick inward again to select an option or confirm a setting.
- Move the joystick left to exit a submenu or the OSD menu.
5.3 Picture Settings
Adjust settings such as Brightness, Contrast, Color Temperature, and Gamma to optimize your viewing experience. The monitor supports HDR 400 for enhanced contrast and color depth with compatible content.
Image 5.1: Illustration of accurate color reproduction with sRGB 100% and HDR 400.
5.4 Gaming Features
- Refresh Rate: The 240Hz refresh rate provides ultra-smooth motion. Ensure your graphics card and connection cable support this refresh rate.
- Response Time: The 1ms (OD) response time minimizes motion blur and ghosting.
- AdaptiveSync: Enable AdaptiveSync in the OSD menu and on your graphics card settings to synchronize the monitor's refresh rate with your GPU's frame rate, eliminating screen tearing and stuttering.
Image 5.2: Visual comparison demonstrating smoother gameplay at 240Hz versus 165Hz.
Image 5.3: Visual comparison showing the elimination of screen tearing with AdaptiveSync enabled.
5.5 Ergonomic Adjustments
The monitor stand allows for various adjustments to enhance viewing comfort:
- Height Adjustment: Adjust the monitor height by up to 110mm.
- Tilt: Tilt the screen from -5° to 20° for optimal viewing angles.
- Swivel: Swivel the monitor from -15° to 15° horizontally.
6. Maintenance
6.1 Cleaning the Monitor
To clean the screen and exterior:
- Turn off the monitor and unplug the power cord.
- Use a soft, lint-free cloth lightly dampened with water or a mild, non-abrasive screen cleaner.
- Do not spray cleaner directly onto the screen.
- Avoid using benzene, thinner, ammonia-based cleaners, or abrasive materials.
6.2 Storage
If storing the monitor for an extended period, ensure it is clean, dry, and stored in a cool, well-ventilated area, preferably in its original packaging.
7. Troubleshooting
If you encounter issues with your monitor, refer to the following common problems and solutions:
- No Power: Ensure the power cable is securely connected to both the monitor and a working power outlet. Check the power adapter.
- No Signal: Verify that the video cable (DisplayPort or HDMI) is correctly connected to both the monitor and your computer. Ensure the correct input source is selected in the OSD menu.
- Flickering or Distorted Image: Check the video cable for damage. Ensure your graphics card drivers are up to date. Try adjusting the refresh rate in your computer's display settings.
- Image Too Dark/Bright/Incorrect Colors: Adjust the Brightness, Contrast, and Color settings in the OSD menu. Reset to factory defaults if necessary.
For further assistance, please contact KOORUI customer support.
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | MG27H3Q |
| Screen Size | 27 Inches |
| Panel Type | IPS |
| Resolution | 2560 x 1440 Pixels (WQHD) |
| Aspect Ratio | 16:9 |
| Refresh Rate | 240Hz |
| Response Time | 1ms (OD) |
| Image Brightness | 250 cd/m² |
| Connectivity | 2x HDMI 2.0, 1x DisplayPort 1.4, 1x Audio Out |
| VESA Compatibility | 75 x 75 mm |
| Product Dimensions (with stand) | 24.15 x 9.53 x 20.19 inches (613.4 x 242 x 512.8 mm) |
| Item Weight | 16.62 pounds |
| Manufacturer | HKC Corporation Limited |
| Date First Available | June 20, 2023 |
Image 8.1: Monitor dimensions diagram.
9. Warranty and Support
The KOORUI 27E3QK monitor typically comes with a 3-year warranty from the date of purchase. Please retain your proof of purchase for warranty claims.
For technical support, warranty inquiries, or service requests, please refer to the contact information provided on the KOORUI official website or your purchase documentation.
Additional product information, including energy efficiency details, can be found on the EPREL database: https://eprel.ec.europa.eu/qr/1438927
