EPOMAKER SKYLOONG GK75 Lite
EPOMAKER SKYLOONG GK75 Lite Gaming Keyboard User Manual
Model: SKYLOONG GK75 Lite
Brand: EPOMAKER
1. Product Overview
The EPOMAKER SKYLOONG GK75 Lite is a 75% layout wired mechanical gaming keyboard featuring a gasket-like mount and a rotary knob. It is designed for both Windows and Mac operating systems, offering hot-swappable optical switches and programmable customization options.

Figure 1: EPOMAKER SKYLOONG GK75 Lite Gaming Keyboard (Blue Pink colorway).

Figure 2: Exploded view showing the internal structure, including the CNC rotary knob, PBT keycaps, switches, top case, plate, silicone pad, PCBA, bottom sound absorbing foam, and bottom case.
2. Package Contents
Verify that all items are present in the package:
- EPOMAKER SKYLOONG GK75 Lite Keyboard
- Braided USB to USB-C Cable (approx. 1.5m / 5ft)
- Keycap/Switch Puller
- Extra Keycaps (various colors and profiles)
- User Guide (this manual)

Figure 3: Included accessories: keyboard, USB-C cable, keycap/switch puller, and additional keycaps.
3. Setup Instructions
- Connect the Keyboard: Insert the USB-C end of the provided cable into the port on the top-left of the keyboard. Connect the USB-A end to an available USB port on your computer. The keyboard features cable routing options on the underside for left, center, or right cable exit.

Figure 4: Cable routing channels on the keyboard's underside for organized cable management.
- Adjust Typing Angle: The keyboard features adjustable feet on the underside, allowing you to set the typing angle to 4°, 7°, or 12° for ergonomic comfort.

Figure 5: Adjustable feet allow for three different typing angles.
- Initial Recognition: Your operating system (Windows or macOS) should automatically recognize the keyboard. No additional drivers are typically required for basic functionality.
- Software Installation (Optional): For advanced customization, including macro creation and key remapping, download the official GK75 software from the EPOMAKER website. A QR code on the bottom of the keyboard may also link to the software download page.

Figure 6: Software interface for customizing key functions and lighting effects.
4. Operating Instructions
4.1 Keyboard Layout and Features
The GK75 Lite features a compact 75% layout, which includes a full F-row and dedicated navigation keys (Home, Del, PgUp, PgDn) in a space-saving column. This layout provides essential keys while minimizing desk footprint.

Figure 7: The 75% layout of the GK75 Lite, offering a compact design while retaining essential keys.
4.2 Rotary Knob Functionality
The rotary knob located at the top-right of the keyboard provides convenient media control:
- Rotate Clockwise: Increase volume
- Rotate Counter-clockwise: Decrease volume
- Press Down: Play/Pause media
The knob can also be customized for other functions via the software.

Figure 8: Functions of the multi-function rotary knob.
4.3 Hot-Swappable Optical Switches
The GK75 Lite is equipped with hot-swappable terminals, allowing users to change switches without soldering. Note: This keyboard is only compatible with Gateron or Skyloong 1-pin optical switches. It is not compatible with 3-pin or 5-pin mechanical switches.

Figure 9: Demonstrating the hot-swappable optical switch feature.
4.4 PBT Keycaps and GK5 Profile
The keyboard features high-quality PBT keycaps, known for their durability and resistance to shine from oil buildup over time. The GK5 profile is designed to provide an ergonomic typing angle and ensure compatibility with north-facing LEDs without interference.

Figure 10: GK5 keycap profile and a selection of additional keycaps provided.
4.5 Backlight Settings
The GK75 Lite features an ice blue backlight. Various lighting modes and brightness levels can be cycled through using specific key combinations (refer to the included quick guide or software for details).

Figure 11: The keyboard illuminated with its ice blue backlight.
4.6 Operating System Compatibility
The keyboard is compatible with both Windows and macOS. You can switch between modes using the following key combinations:
- FN + 6: Windows Mode
- FN + 7: macOS Mode

Figure 12: Switching between Windows and macOS modes using function key combinations.
5. Customization
The GK75 Lite offers extensive customization options through its dedicated software. Users can:
- Create and assign macros to any key.
- Remap individual keys to different functions.
- Customize the rotary knob's functions beyond default media controls.
- Adjust backlight effects and brightness.
The keyboard's built-in flash memory ensures that your custom settings are saved even when the keyboard is disconnected or the computer is turned off.
6. Maintenance
To ensure the longevity and optimal performance of your GK75 Lite keyboard, follow these maintenance guidelines:
- Cleaning Keycaps: Use a soft, damp cloth to wipe down keycaps. For deeper cleaning, keycaps can be removed using the provided keycap puller and washed with mild soap and water. Ensure they are completely dry before reattaching.
- Cleaning Switches: Use compressed air to remove dust and debris from around and under the keycaps. If a switch feels sticky or unresponsive, carefully remove it using the switch puller and clean the switch housing.
- General Cleaning: Regularly wipe the keyboard's surface with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Cable Care: Avoid sharp bends or kinks in the USB-C cable to prevent damage.
7. Troubleshooting
| Issue | Possible Cause | Solution |
|---|---|---|
| Keyboard not responding | Loose cable connection, incorrect USB port, driver issue. | Ensure USB-C cable is securely connected to both keyboard and computer. Try a different USB port. Restart your computer. Reinstall keyboard software if applicable. |
| Keys not registering or repeating | Dust/debris in switch, faulty switch, software conflict. | Remove keycap and use compressed air to clean the switch. If issue persists, replace the optical switch. Check for conflicting software or adjust key repeat settings in OS. |
| Backlight not working or dim | Backlight turned off, brightness set too low, software issue. | Cycle through backlight modes and brightness levels using keyboard shortcuts. Ensure software settings are correct. |
| Knob not functioning | Software conflict, incorrect mode. | Ensure the keyboard is in the correct operating system mode (Windows/macOS). Check software settings for knob assignments. |
8. Specifications
| Feature | Detail |
|---|---|
| Model | SKYLOONG GK75 Lite |
| Brand | EPOMAKER |
| Layout | 75% |
| Number of Keys | 80 |
| Connectivity | Wired (USB-C) |
| Switch Type | Gateron Optical (Hot-swappable for 1-pin optical switches only) |
| Keycap Material | PBT |
| Keycap Profile | GK5 |
| Backlight Color | Single Color (Ice Blue) |
| Dimensions | 12.7 x 5.55 x 1.22 inches |
| Weight | 3.01 pounds |
| Compatibility | Windows, macOS |
9. Warranty and Support
For warranty information, technical support, or further assistance, please refer to the official EPOMAKER website or contact their customer service. A detailed User Guide in PDF format is also available for download:
You can also visit the official EPOMAKER store for more information and products: EPOMAKER Amazon Store
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.



