1. Introduction
The Dierya T68se is a compact 60% mechanical gaming keyboard designed for efficiency and performance. It features a 68-key layout, blue mechanical switches for tactile feedback, and vibrant LED backlighting. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your keyboard.

Image 1.1: The Dierya T68se keyboard is suitable for both office and gaming use, offering a compact design that saves desk space.

Image 1.2: The T68se's ultra-compact 60% layout provides more desk space compared to a standard full-size keyboard.
2. Package Contents
Please check the package for the following items:
- Dierya T68se Mechanical Gaming Keyboard
- USB-C Cable
- Keycap Puller
- User Manual (this document)
3. Setup
To set up your Dierya T68se keyboard, follow these simple steps:
- Unpack the keyboard and its accessories from the box.
- Locate the USB-C cable.
- Connect the USB-C end of the cable to the port on the back of the keyboard.
- Connect the USB-A end of the cable to an available USB port on your computer.
- The keyboard will be automatically recognized by your operating system (Windows 11/10/8/7/XP). For Mac OS, Vista, and Linux, the keyboard functions for typing and office use.

Image 3.1: The detachable USB-C port ensures a reliable wired connection.

Image 3.2: Connect the keyboard directly to your laptop or desktop computer.
4. Operating Instructions
4.1 Function (FN) Key Combinations
The T68se keyboard utilizes FN key combinations to access various functions due to its compact 68-key layout. Refer to the keycaps for secondary functions indicated by symbols or text.
- FN + [1-0, -, =]: F1-F12 keys (e.g., FN + 1 = F1)
- FN + [Q, W, E, R, T, Y, U, I, O, P]: Multimedia controls (e.g., Play/Pause, Volume Up/Down)
- FN + [A, S, D, F, G, H, J, K, L]: Other special functions (e.g., My Computer, Calculator)
- FN + [Win]: Lock/Unlock Windows key
- FN + [Shift]: Toggle arrow key functionality (if applicable)
4.2 Backlight Control
The T68se keyboard features Ice Blue LED backlighting with 19 built-in modes. You can adjust the lighting effects, brightness, and speed using the following key combinations:
- FN + Backspace: Turn the backlight on/off.
- FN + \|: Switch between different backlight modes (19 modes available).
- FN + ↑ (Up Arrow): Increase backlight brightness.
- FN + ↓ (Down Arrow): Decrease backlight brightness.
- FN + ← (Left Arrow): Decrease backlight speed.
- FN + → (Right Arrow): Increase backlight speed.
- FN + [;:] + [',"]: Move light effects left or right (supported by some light effects).

Image 4.1: Visual guide for controlling the keyboard's LED backlight effects.
4.3 Mechanical Switches
This specific variant of the Dierya T68se keyboard is equipped with Blue mechanical switches. Blue switches are known for their clicky and tactile feedback, providing an audible click and a noticeable bump with each keypress. This makes them ideal for typing and users who prefer clear actuation feedback.

Image 4.2: Detail of the blue mechanical switches, highlighting their design.

Image 4.3: Blue switches offer a clicky, medium resistance, and audible click sound, suitable for typists.
4.4 Anti-Ghosting and Polling Rate
The T68se features full key anti-ghosting, ensuring that every keypress is registered accurately, even when multiple keys are pressed simultaneously. It also supports a 1000Hz polling rate, providing rapid response times for a smooth gaming experience without latency.
5. Maintenance
Proper maintenance can extend the lifespan of your keyboard and ensure optimal performance.
5.1 Cleaning
- Disconnect the keyboard from your computer before cleaning.
- Use a soft, dry cloth to wipe the surface of the keyboard.
- For dust and debris between keycaps, use compressed air.
- For stubborn stains, lightly dampen a cloth with water or a mild cleaning solution (avoid harsh chemicals).
5.2 Keycap Removal and Replacement
The included keycap puller allows for easy removal and replacement of keycaps for cleaning or customization.
- Gently place the keycap puller over the keycap you wish to remove.
- Apply even pressure and pull upwards until the keycap detaches from the switch stem.
- To replace, align the keycap with the switch stem and press down firmly until it clicks into place.

Image 5.1: Use the provided keycap puller for safe keycap removal.

Image 5.2: The keycaps are ergonomically curved for comfort and feature crystal clear uniform backlighting.
6. Troubleshooting
If you encounter any issues with your Dierya T68se keyboard, please refer to the following common solutions:
- Keyboard not responding:
- Ensure the USB-C cable is securely connected to both the keyboard and the computer.
- Try connecting the keyboard to a different USB port on your computer.
- Restart your computer.
- Backlight not working or stuck:
- Press FN + Backspace to toggle the backlight on/off.
- Adjust brightness using FN + ↑ / ↓.
- Cycle through modes using FN + \|.
- Keys not registering correctly (ghosting):
- The T68se features full anti-ghosting. If you experience issues, ensure no software conflicts are present.
- Clean under the affected keycaps as described in the Maintenance section.
- Windows key locked:
- Press FN + Win to toggle the Windows key lock.
If these steps do not resolve your issue, please contact customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Dierya |
| Model Name | T68SE |
| Model Number | DK68se |
| Color | White |
| Connectivity Technology | USB-C (Wired) |
| Keyboard Description | Mechanical |
| Switch Type | Blue Switches |
| Number of Keys | 68 |
| Backlight | Ice Blue LED, 19 modes |
| Special Features | Ergonomic, Backlit, Anti-ghosting |
| Compatible Devices | Laptop, PC |
| Operating System Compatibility | Windows 11/10/8/7/XP (Mac OS, Vista, Linux for typing/office) |
| Material | Plastic |
| Included Components | USB Cable, Keycap Puller |
8. Warranty and Support
Dierya is committed to providing high-quality products and excellent customer service.
- 1-Year Quality Warranty: Your Dierya T68se keyboard is covered by a 1-year quality warranty from the date of purchase.
- 30-Day Replacement: We offer a 30-day replacement policy for any manufacturing defects or issues.
- 24-Hour Customer Support: If you encounter any problems or have questions, please do not hesitate to contact our customer support team. We aim to provide a satisfactory response within 24 hours.
For support, please refer to the contact information provided with your purchase or visit the official Dierya website.





