1. Product Overview
The KTC H34S18S is a 34-inch Ultrawide Curved Gaming Monitor designed to provide an immersive visual experience with high performance. It features a WQHD 3440x1440 resolution, a 1500R curvature, and a rapid 165Hz refresh rate, making it suitable for both gaming and professional use. The monitor supports HDR for vibrant colors and deep contrasts, and includes FreeSync & G-Sync compatibility for smooth, tear-free visuals.
Key features include:
- Ultrawide QHD Curved Display: 34-inch 1500R curved screen with 21:9 aspect ratio and 3440x1440 resolution for an immersive viewing experience.
- Smooth Gaming Experience: 165Hz refresh rate and adaptive sync technology reduce motion blur and screen tearing.
- Wide Color Gamut: HDR support, 4000:1 contrast ratio, 123% sRGB, and 98% DCI-P3 for accurate and vibrant color reproduction.
- Optimal Comfort: Features tilt, swivel, height, and pivot adjustments, along with low blue light and flicker-free modes to protect eyesight.
- Multiple Connectivity Options: Equipped with HDMI 2.0 ×2, DisplayPort 1.4 ×2, and 100mm x 100mm VESA mount compatibility.

Image: Front view of the KTC 34-inch Ultrawide Curved Gaming Monitor, highlighting its immersive display and sleek design.
2. What's in the Box
Upon unboxing your KTC H34S18S monitor, please ensure all the following components are present:
- Monitor ×1
- Base ×1
- DP Cable ×1
- HDMI Cable ×1
- Adaptor ×1
- Power Cord ×1
- Screwdriver ×1

Image: An illustration showing all the components included in the KTC monitor packaging, such as the monitor, stand, and various cables.
3. Setup Guide
Follow these steps to set up your KTC H34S18S monitor:
- Assemble the Stand: Attach the base to the monitor stand using the provided screwdriver and screws. Ensure it is securely fastened.
- Connect Cables:
- Connect the power cord to the monitor's power input and then to a power outlet.
- Connect either the DisplayPort (DP) cable or HDMI cable from your computer's graphics card to the corresponding input port on the monitor. For optimal performance (165Hz refresh rate and WQHD resolution), DisplayPort 1.4 is recommended.
- Power On: Press the power button on the monitor to turn it on. The monitor should automatically detect the input signal.
- VESA Mounting (Optional): The monitor supports 100mm x 100mm VESA mounting. If you prefer to wall-mount or use a different monitor arm, remove the pre-assembled stand and attach your VESA-compatible mount.

Image: A diagram illustrating the monitor's flexible design, including swivel, pivot, height, and tilt adjustments, and highlighting the VESA mounting points on the back.
4. Operating Instructions
Your KTC H34S18S monitor features an intuitive On-Screen Display (OSD) menu controlled by a five-way joystick located on the back of the monitor. This allows you to adjust various display settings.
4.1. OSD Menu Navigation
- Press the Joystick: Press the joystick inwards to open the OSD menu.
- Navigate: Move the joystick up, down, left, or right to navigate through the menu options.
- Select/Confirm: Press the joystick inwards again to select an option or confirm a setting.
- Exit: Move the joystick left to go back to the previous menu or exit the OSD.

Image: A close-up of the monitor's On-Screen Display (OSD) menu, showing various settings categories like Display, Color, Gaming Setup, and Advanced Settings.
4.2. Display Features
- Refresh Rate (165Hz): For the smoothest visual experience, ensure your graphics card is configured to output at 165Hz. This setting can usually be adjusted in your operating system's display settings.
- Adaptive Sync (FreeSync & G-Sync Compatible): Enable FreeSync/G-Sync in the monitor's OSD menu and your graphics card's control panel to eliminate screen tearing and stuttering during gaming.
- HDR (High Dynamic Range): Activate HDR in your operating system's display settings for enhanced contrast and color vibrancy. The monitor supports HDR for a more lifelike image.
- Eye Saver Mode: Utilize the Low Blue Light and Flicker-Free modes within the OSD to reduce eye strain during prolonged use.

Image: A visual demonstrating the benefit of 165Hz refresh rate and FreeSync/G-Sync compatibility, showing a smooth image with the feature enabled versus a tearing image without it.

Image: An illustration highlighting the monitor's color capabilities, including 10.7 billion color support, 123% sRGB color gamut, and 4000:1 contrast ratio for brilliant images.

Image: A graphic illustrating the Eye Saver Mode, showing icons for Low Blue Light, Flicker-Free, and Anti-Glare features, designed to reduce eye fatigue.
5. Connectivity
The KTC H34S18S monitor offers a variety of input and output ports to connect to your devices:
- DC Power Input: For connecting the power adapter.
- HDMI 2.0 Ports (x2): Supports WQHD (3440x1440) resolution at up to 100Hz.
- DisplayPort 1.4 Ports (x2): Supports WQHD (3440x1440) resolution at up to 165Hz. Recommended for full performance.
- USB 2.0 Port: (Only for Firmware Upgrade)
- Earphone Jack: For connecting headphones or external speakers.

Image: A detailed view of the monitor's rear panel, showing the various input and output ports including DC power, HDMI, DisplayPort, USB, and earphone jack.
6. Ergonomic Adjustments
The KTC H34S18S monitor is designed with an ergonomic stand that allows for various adjustments to optimize your viewing comfort and workspace setup:
- Tilt: Adjust the screen angle from -5° to +20° (±3°) to find your preferred vertical viewing position.
- Swivel: Rotate the monitor horizontally up to ±20° to share your screen or adjust for different seating positions.
- Height Adjustment: Raise or lower the monitor by up to 90mm (±5mm) to align the top of the screen with your eye level.
- Pivot: Rotate the screen ±5° for minor angular adjustments.

Image: A diagram illustrating the monitor's flexible design, showcasing its ability to swivel, pivot, adjust height, and tilt for optimal ergonomic positioning.
7. Maintenance
To ensure the longevity and optimal performance of your KTC H34S18S monitor, follow these maintenance guidelines:
- Cleaning the Screen: Gently wipe the screen with a soft, lint-free cloth. For stubborn smudges, slightly dampen the cloth with water or a non-ammonia, non-alcohol based screen cleaner. Do not spray cleaner directly onto the screen.
- Cleaning the Casing: Use a soft, dry cloth to clean the monitor's casing. Avoid using abrasive cleaners or solvents.
- Ventilation: Ensure the ventilation openings on the monitor are not blocked to prevent overheating.
- Power Off When Not in Use: Turn off the monitor when not in use for extended periods to conserve energy and prolong its lifespan.
8. Troubleshooting
If you encounter any issues with your KTC H34S18S monitor, refer to the following common troubleshooting steps:
| Problem | Possible Solution |
|---|---|
| No Power | Check if the power cord is securely connected to both the monitor and the power outlet. Ensure the power outlet 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 in the monitor's OSD menu. |
| Flickering Screen | Check the video cable connection. Ensure your graphics card drivers are up to date. Try enabling or disabling Adaptive Sync (FreeSync/G-Sync) in the OSD. |
| Image is Blurred or Distorted | Adjust the resolution and refresh rate settings on your computer to match the monitor's native resolution (3440x1440) and refresh rate (165Hz). Check the sharpness setting in the OSD. |
| Dead Pixel | While rare, a dead pixel may appear. Some manufacturers have a minimum number of dead pixels before a replacement is offered. Refer to the warranty information for details. |
For more detailed troubleshooting or issues not listed here, please refer to the official user manual PDF or contact KTC customer support.
Video: An official KTC video demonstrating the features and functionality of the H34S18S Ultrawide Monitor, including its display quality and user interface.
9. Specifications
| Feature | Detail |
|---|---|
| Brand | KTC |
| Model Number | H34S18S (Product Title) / H33S17E (Item Model Number) |
| Screen Size | 34 Inches |
| Resolution | 3440 x 1440 Pixels (WQHD) |
| Aspect Ratio | 21:9 |
| Curvature | 1500R |
| Refresh Rate | 165Hz |
| Response Time | 1ms MPRT (from feature bullets) |
| Contrast Ratio | 4000:1 |
| Color Gamut | 123% sRGB, 98% DCI-P3 |
| Brightness | 350 Candela |
| Connectivity | HDMI 2.0 ×2, DisplayPort 1.4 ×2, USB 2.0 ×1 (for firmware), Earphone Jack |
| VESA Compatibility | 100mm × 100mm |
| Product Dimensions | 5.31 x 32.48 x 21.2 inches |
| Item Weight | 21.8 pounds |
| Country of Origin | China |
10. Warranty and Support
KTC provides a manufacturer's warranty for this product. For specific warranty terms, conditions, and duration, please refer to the documentation included with your purchase or visit the official KTC website.
For further assistance, technical support, or to download the full user manual PDF, please visit the KTC support page or access the user manual PDF via this direct link: KTC H34S18S User Manual PDF.





