1. Introduction
Thank you for choosing the KTC H27T6 27-inch 2K QHD 200Hz Gaming Monitor. This manual provides essential information for setting up, operating, and maintaining your monitor to ensure optimal performance and longevity. Please read this manual thoroughly before using the product.
The KTC H27T6 monitor is designed for an immersive gaming and computing experience, featuring a 27-inch 2K QHD (2560x1440) Fast IPS panel, a high refresh rate of 200Hz (overclockable to 210Hz), and a rapid 1ms MPRT response time. It supports Adaptive Sync technology for tear-free visuals, HDR400 for enhanced contrast and color, and includes built-in speakers. The ergonomic stand allows for extensive adjustments to suit your viewing preferences.

Image 1.1: The KTC H27T6 27-inch 2K QHD 200Hz Gaming Monitor, showcasing its sleek design.
Video 1.1: An overview of the KTC H27T6 monitor, highlighting its features and ergonomic design in a home office setting.
2. Package Contents
Please check the package contents upon unboxing to ensure all items are present and undamaged. If any items are missing or damaged, contact KTC customer support.
- KTC H27T6 27-inch Gaming Monitor x 1
- Power Adapter x 1
- DisplayPort (DP) Cable x 1
- Monitor Base x 1
- Quick Start Guide (QSG) x 1

Image 2.1: Visual representation of the KTC H27T6 monitor and its standard accessories included in the package.
3. Setup Instructions
3.1 Assembling the Stand
- Carefully remove the monitor and stand components from the packaging.
- Attach the monitor base to the stand column, securing it with the provided screw.
- Align the stand column with the mounting slot on the back of the monitor. Gently push until it clicks into place. Ensure it is securely fastened.
3.2 Connecting Cables
Connect the necessary cables to the monitor and your computer or other devices.
- Power Cable: Connect the power adapter to the monitor's power input, then plug the power cable into a wall outlet.
- DisplayPort (DP) Cable: For optimal performance (2K QHD at 200Hz/210Hz), connect the included DP cable from your computer's graphics card to one of the monitor's DP 1.4 ports.
- HDMI Cable: Alternatively, connect an HDMI cable from your device to one of the monitor's HDMI 2.0 ports (supports 2K QHD at 144Hz).
- Audio Cable: If using external speakers or headphones, connect them to the monitor's earphone output.
- USB Cable: Connect the USB 2.0 port for peripheral connectivity (note: this port does not support data transfer).
3.3 Initial Power-On
Press the power button located on the back of the monitor to turn it on. The monitor will automatically detect the input signal. If no signal is detected, ensure all cables are securely connected and your device is powered on.
4. Physical Adjustments
The KTC H27T6 monitor features an ergonomic stand that allows for various adjustments to enhance your viewing comfort.
- Height Adjustment: Adjust the monitor's height by up to 130mm to align the top of the screen with your eye level.
- Tilt: Tilt the screen -5° forward or 20° backward to find your preferred viewing angle.
- Swivel: Swivel the monitor ±45° left or right to share your screen or adjust your position.
- Pivot: Rotate the screen ±90° to switch between landscape and portrait orientations, ideal for coding or document viewing.
4.1 VESA Wall Mount
The monitor is compatible with VESA 100mm x 100mm mounting standards. To mount the monitor on a wall or an alternative monitor arm, remove the stand and attach your VESA-compatible mount.

Image 4.1: Visual guide to the ergonomic adjustments available on the KTC H27T6 monitor stand.
5. Connectivity
The KTC H27T6 monitor offers multiple connectivity options to suit various devices.
- DisplayPort 1.4 x 2: Supports up to 2560 x 1440 resolution at 200Hz (overclockable to 210Hz). Recommended for high-refresh-rate gaming.
- HDMI 2.0 x 2: Supports up to 2560 x 1440 resolution at 144Hz. Suitable for gaming consoles and other multimedia devices.
- USB 2.0 x 1: For connecting peripherals. Please note this port does not support data transfer.
- Earphone Output x 1: For connecting headphones or external speakers.

Image 5.1: Detailed view of the KTC H27T6 monitor's input and output ports.
6. Operating the Monitor
6.1 On-Screen Display (OSD) Menu
The monitor's settings can be adjusted using the 5-way joystick located on the back of the monitor. Press the joystick to open the OSD menu, then move it up/down/left/right to navigate and select options.
6.2 Key Features and Settings
- 2K QHD Resolution (2560 x 1440): Experience sharp and detailed visuals. Adjust resolution settings through your connected device's display options.
- 200Hz Refresh Rate (Up to 210Hz OC) & 1ms MPRT: Enjoy ultra-smooth motion and minimal input lag. Ensure your graphics card and connection cable support these refresh rates. Overclocking to 210Hz can be enabled via the OSD menu.
- Adaptive Sync (FreeSync/G-Sync Compatible): Synchronizes the monitor's refresh rate with your GPU's frame rate to eliminate screen tearing and stuttering. Enable this feature in the OSD menu and your graphics card control panel.
- HDR400: Provides a wider dynamic range for brighter whites and deeper blacks, enhancing visual realism. Activate HDR in your operating system display settings and the monitor's OSD.
- Accurate and Vivid Colors: The Fast IPS panel offers 131% sRGB color gamut and 1.07 billion colors (8-bit + Hi-FRC) with a 1000:1 contrast ratio, ensuring vibrant and true-to-life color reproduction.
- Built-in Dual 2W Speakers: For convenient audio output without external speakers. Adjust volume through the OSD menu or your connected device.
- Eye Care Features: Includes Low Blue Light, Anti-flicker, and Anti-glare technologies to reduce eye strain during prolonged use. These settings can be adjusted in the OSD menu.
- 178° Viewing Angle: Ensures consistent image quality and color from wide viewing angles.

Image 6.1: Demonstrates the visual difference between Full HD (FHD) and Quad HD (QHD) resolutions, highlighting the increased detail of QHD.

Image 6.2: Illustrates the high refresh rate and fast response time, showing a clear, blur-free image of a fast-moving motorcycle.

Image 6.3: Shows the difference in visual smoothness with Adaptive Sync enabled versus disabled during a fast-paced scene.

Image 6.4: Illustrates how HDR400 enhances detail in both bright and dark areas of an image.

Image 6.5: Highlights the monitor's color accuracy and vibrancy with a colorful image, detailing sRGB coverage, color depth, and contrast ratio.

Image 6.6: Illustrates the presence and function of the monitor's built-in dual 2W speakers.

Image 6.7: Depicts a user benefiting from the monitor's eye care features, with icons indicating Low Blue Light, Anti-flicker, and Anti-glare.

Image 6.8: Illustrates the wide 178-degree viewing angle, showing consistent image quality across multiple monitors.
7. Maintenance
Proper maintenance helps extend the life of your monitor.
- Cleaning the Screen: Use a soft, lint-free cloth lightly dampened with a screen-cleaning solution. Do not spray cleaner directly onto the screen.
- Cleaning the Casing: Use a soft, dry cloth to wipe the monitor casing. Avoid abrasive cleaners.
- Power Off When Not in Use: Turn off the monitor when not in use for extended periods to save energy and prolong component life.
- Avoid Direct Sunlight: Do not expose the monitor to direct sunlight or extreme temperatures.
8. Troubleshooting
If you encounter issues with your monitor, refer to the following common problems and solutions.
| Problem | Possible Solution |
|---|---|
| No Power | Ensure the power cable is securely connected to the monitor and a working power outlet. Check if the power adapter is functioning. |
| No Signal | Verify that the video cable (DP or HDMI) is correctly connected to both the monitor and your computer. Ensure the correct input source is selected via the OSD menu. Check if your computer is powered on and outputting a signal. |
| Flickering Screen | Check the video cable connection. Ensure your graphics card drivers are up to date. Disable Adaptive Sync temporarily to see if the issue persists. Adjust refresh rate settings. |
| Poor Image Quality | Adjust brightness, contrast, and color settings in the OSD menu. Ensure the monitor is set to its native resolution (2560x1440). Check for any physical damage to the screen. |
| No Sound from Speakers | Check the volume settings in the OSD menu and on your computer. Ensure the audio output is correctly routed to the monitor. If using an external audio device, ensure it is properly connected to the earphone jack. |
If the problem persists after trying these solutions, please contact KTC customer support for further assistance.
9. Specifications
Key technical specifications for the KTC H27T6 monitor:
| Feature | Specification |
|---|---|
| Screen Size | 27 Inches |
| Resolution | 2560 x 1440 (2K QHD) |
| Panel Type | Fast IPS |
| Refresh Rate | 200Hz (Up to 210Hz Overclocked) |
| Response Time | 1ms (MPRT) |
| Adaptive Sync | FreeSync, G-Sync Compatible |
| Brightness | 450 cd/m² |
| Contrast Ratio | 1000:1 |
| Color Gamut | 131% sRGB |
| Color Depth | 1.07 Billion Colors (8-bit + Hi-FRC) |
| HDR Support | HDR400 |
| Viewing Angle | 178° (Horizontal/Vertical) |
| Speakers | Built-in Dual 2W Speakers |
| Connectivity | 2x DisplayPort 1.4, 2x HDMI 2.0, 1x USB 2.0 (no data transfer), 1x Earphone Out |
| Ergonomics | Tilt (-5°~20°), Swivel (±45°), Pivot (±90°), Height Adjustment (130mm) |
| VESA Mount | 100mm x 100mm |
| Dimensions (W x D x H) | 61.6 x 21.3 x 53.6 cm (with stand) |
| Weight | 6.55 kg |
10. Warranty and Support
The KTC H27T6 monitor comes with a three-year manufacturer's warranty from the date of purchase. This warranty covers manufacturing defects and ensures reliable operation under normal use.
For warranty claims, technical support, or any inquiries regarding your KTC monitor, please refer to the contact information provided in your Quick Start Guide or visit the official KTC website. Please have your product model number (H27T6) and proof of purchase ready when contacting support.