Introduction
This user manual provides comprehensive instructions for setting up, operating, and maintaining your KTC Q24T09 23.8-inch 180Hz Gaming Monitor. Designed for an immersive visual experience, this monitor features a QHD 2560x1440 Fast IPS panel, a high 180Hz refresh rate, and 1ms response time, making it ideal for gaming and multimedia. It also includes FreeSync/G-Sync compatibility, HDR support, and eye-care technologies for extended comfortable use.
What's in the Box
Please verify that all items are present in the package:
- 23.8 inch QHD 180Hz Monitor (1 pc)
- Tilt Adjustable Stand (1 pc)
- Warranty Card (1 pc)
- Quick Start Guide (QSG) (1 pc)
- DisplayPort (DP) Cable (1 pc)
- Power Adapter (1 pc)
- Screwdriver (1 pc)
Setup
Physical Assembly
Follow these steps to assemble the monitor stand or prepare for VESA mounting:
- Carefully remove the monitor and all components from the packaging. Place the monitor face down on a soft, clean surface to prevent scratches.
- Attaching the Stand: Insert the stand neck into the base until it clicks securely. Then, align the assembled stand with the mounting slot on the back of the monitor and slide it in until it locks into place. Ensure it is firmly attached.
- VESA Mounting (Optional): The monitor supports a 100x100mm VESA mount. If using a VESA mount, remove any pre-installed stand components from the back of the monitor. Attach your VESA mounting bracket using the provided screws and screwdriver.

Figure 1: Rear view of the monitor illustrating VESA mount compatibility and stand attachment area.

Figure 2: Diagram detailing the monitor's tilt adjustment range (-5° to 15°) and 100x100mm VESA support.
Connections
Connect your devices to the monitor using the appropriate ports:
- Power: Connect the power adapter to the DC input port on the monitor and then to a power outlet.
- DisplayPort (DP): For optimal performance (up to 180Hz at 1440p), connect your PC's graphics card to the monitor using the provided DisplayPort cable.
- HDMI: Use an HDMI cable to connect gaming consoles, laptops, or other devices to the HDMI1 or HDMI2 ports (supports up to 144Hz at 1440p).
- Earphone Jack: Connect your headphones or external speakers to the earphone jack for audio output.

Figure 3: Overview of the monitor's versatile connectivity ports.
Operating the Monitor
Power On/Off
Press the power button (usually located on the back or bottom of the monitor) to turn the monitor on or off. The power indicator light will illuminate when the monitor is on.
On-Screen Display (OSD) Navigation
The monitor features a joystick control for navigating the On-Screen Display (OSD) menu. This joystick allows you to easily adjust various settings.
- Press: Select an option or confirm a setting.
- Move Up/Down/Left/Right: Navigate through menu options and adjust values.
Display Settings
Access the OSD menu to customize your visual experience:
- Brightness & Contrast: Adjust these to suit your viewing environment. The monitor offers 350 cd/m² brightness and a 1000:1 contrast ratio.
- Color Settings: Fine-tune color temperature, hue, and saturation. The monitor supports 126% sRGB wide color gamut and 8-bit color depth (1.07 billion colors) for vivid and accurate colors.
- HDR Support: Enable HDR (High Dynamic Range) for enhanced contrast and more realistic images, especially with HDR-compatible content.

Figure 4: Visual representation of the monitor's color capabilities and brightness.

Figure 5: The monitor's HDR 10 support enhances image realism.
Gaming Features
Optimize your gaming experience with these dedicated features:
- High Refresh Rate: Enjoy ultra-smooth gameplay with an impressive 180Hz refresh rate, reducing motion blur and ghosting.
- Fast Response Time: The 1ms response time ensures quick pixel transitions, minimizing input lag for competitive gaming.
- FreeSync/G-Sync Compatibility: This technology synchronizes the monitor's refresh rate with your GPU's frame rate, eliminating screen tearing and stuttering for a fluid gaming experience.
- GamePlus: Utilize built-in gaming enhancements like crosshairs or timers to gain an edge in your games.

Figure 6: Experience smoother visuals with the 180Hz high refresh rate.

Figure 7: FreeSync/G-Sync compatibility ensures a tear-free gaming experience.

Figure 8: GamePlus helps maintain smooth gameplay by eliminating FPS drops.
Eye Care Features
The monitor incorporates features to reduce eye strain during prolonged use:
- Low Blue Light: Reduces harmful blue light emissions to protect your eyes.
- Flicker-Free Technology: Eliminates screen flickering, which can cause eye fatigue and headaches.

Figure 9: Low Blue Light and Flicker-Free technologies provide all-round eye protection.
Video 1: An official product video showcasing the KTC 23.8-inch 180Hz Gaming Monitor's features and performance.
Maintenance
- Cleaning the Screen: Gently wipe the screen with a soft, lint-free cloth. For stubborn marks, dampen the cloth slightly with water or a non-ammonia, non-alcohol based screen cleaner. Do not spray cleaner directly onto the screen.
- Cleaning the Body: Use a soft, dry cloth to clean the monitor's casing. Avoid using abrasive cleaners or solvents.
- Storage: When not in use for extended periods, store the monitor in a cool, dry place away from direct sunlight and extreme temperatures.
Troubleshooting
If you encounter issues with your monitor, refer to the following common troubleshooting steps:
- No Power:
- Ensure the power adapter is securely connected to the monitor and a working power outlet.
- Check if the power indicator light is on.
- No Signal:
- Verify that the DisplayPort or HDMI cable is firmly connected to both the monitor and your device (PC, console).
- Select the correct input source via the OSD menu (e.g., DP, HDMI1, HDMI2).
- Ensure your connected device is powered on and outputting a signal.
- Screen Flickering or Tearing:
- Ensure FreeSync/G-Sync compatibility is enabled in both the monitor's OSD and your graphics card settings.
- Check your display settings on your computer to ensure the refresh rate is set to 180Hz.
- Verify that the display cable is not damaged.
- Image Quality Issues (Blurry, Distorted, Incorrect Colors):
- Adjust brightness, contrast, and color settings in the OSD menu.
- Ensure the display resolution on your device is set to 2560x1440.
- Check for any physical damage to the screen or cables.
Specifications
| Feature | Detail |
|---|---|
| Screen Size | 23.8 Inches |
| Resolution | 2560 x 1440 Pixels (QHD Wide 1440p) |
| Refresh Rate | 180Hz |
| Response Time | 1ms |
| Panel Type | Fast IPS |
| Aspect Ratio | 16:9 |
| Brightness | 350 Candela (cd/m²) |
| Contrast Ratio | 1000:1 |
| Color Gamut | 126% sRGB |
| Color Depth | 8 Bit (1.07 Billion Colors) |
| HDR Support | Yes (HDR10) |
| Adaptive Sync | FreeSync and G-Sync Compatibility |
| Connectivity | HDMI2.0*2 (144Hz), DisplayPort1.4*2 (180Hz), Earphone Jack |
| VESA Compatibility | 100 x 100mm |
| Tilt Adjustment | -5° to 15° |
| Product Dimensions | 4 x 18 x 24 inches |
| Item Weight | 9 pounds |
| Manufacturer | KTC |
| Country of Origin | China |
Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the warranty card included in your product packaging or visit the official KTC website. Keep your purchase receipt for warranty validation.





