1. Introduction
This manual provides detailed instructions for the Glacier Skyloong GK104 Pro Full Size Mechanical Keyboard. This keyboard features triple-mode connectivity (wired, 2.4G wireless, Bluetooth), hot-swappable switches, a customizable display screen, integrated knobs, and a voice calculator function. Please read this manual thoroughly to ensure proper setup and operation of your device.
2. Package Contents
Verify that all items are present in the package:
- Glacier Skyloong GK104 Pro Mechanical Keyboard
- USB-A to USB-C Cable
- Switch and Keycap Puller Tool

3. Product Overview
The GK104 Pro is a full-size mechanical keyboard designed for versatility and customization. It integrates advanced features for both productivity and gaming.

Key Features:
- Triple Mode Connection: Supports wired USB-C, 2.4G wireless, and Bluetooth 5.1 for flexible connectivity across various devices.
- Hot-Swappable Switches: Compatible with 3-pin or 5-pin mechanical switches, allowing for easy customization and replacement without soldering.
- Customizable Display Screen: Features a 1.7-inch (160x128 resolution) or 2.0-inch (320x240 resolution) TFT LCD RGB screen capable of displaying images or GIFs up to 15MB.
- Integrated Knobs: Provides convenient control for functions such as volume adjustment.
- Voice Calculator: A dedicated calculator function with voice broadcast assistance for enhanced productivity.
- Split Space Bar Compatibility: Designed to support both standard and split space bar configurations.



4. Setup
4.1. Connecting the Keyboard
The GK104 Pro supports three connection modes:
- Wired Connection: Connect the keyboard to your computer using the provided USB-A to USB-C cable. The keyboard will be recognized automatically.
- 2.4G Wireless Connection: Insert the 2.4G USB receiver (not explicitly listed in package contents but implied by feature) into your computer's USB port. The keyboard should connect wirelessly.
- Bluetooth 5.1 Connection: Activate Bluetooth on your device. Put the keyboard into Bluetooth pairing mode (refer to operating instructions for specific key combinations). Select 'GK104 Pro' from your device's Bluetooth list to pair.

5. Operating Instructions
5.1. Display Screen Operation
- To access the display screen menu: Press and hold FN + Menu (the button next to the Menu key) for 3 seconds.
- Navigate the menu using the arrow keys, Enter to select, and Backspace to go back.
- To switch through different display views: Press FN + ~`.
5.2. Calculator Function
The GK104 Pro includes a dedicated calculator function:
- To activate the calculator: Press the physical switch located on the right side of the keyboard to the 'I' position.
- To return to normal digital area function: Press the switch to the 'O' position.
- To toggle voice broadcast for the calculator: Press FN + Numeric Area 0.

5.3. Keyboard Shortcuts
Utilize the following key combinations for various functions:
- FN + 0 (on number pad): Mute/unmute keyboard sound effects.
- FN + - (on number pad): Next sound effect.
- FN + * (on number pad): Previous sound effect.
- FN + 4 (above E/R, hold for 6 seconds): Toggles the battery indicator light.
- FN + 9: Toggles backlight on/off.
- FN + NUM (hold for 3 seconds): Change time setting on the number pad screen.
- FN + 6 (above T/Y, hold for 6 seconds): Switch to Windows profile. The key will light up white to indicate activation.
6. Maintenance
6.1. Cleaning
To clean your keyboard, disconnect it from power. Use a soft, dry cloth to wipe down the keycaps and chassis. For deeper cleaning, keycaps can be removed using the provided puller tool and cleaned separately with mild soap and water, ensuring they are completely dry before reattaching.
6.2. Switch and Keycap Replacement
The GK104 Pro features hot-swappable switches, allowing for easy replacement without soldering. Use the switch puller tool to carefully remove switches. To replace keycaps, use the keycap puller side of the tool. Ensure proper alignment when inserting new switches or keycaps.

7. Troubleshooting
7.1. Common Issues
- Software Compatibility: If experiencing issues with RGB or key customization software (e.g., GK6Xplus Driver, CMSengine), ensure you have the correct and latest version for your operating system. For screen customization (GMonitor V2.2), if image transfer fails, try unplugging and replugging the keyboard while the software is open.
- Display Screen Not Working: If the screen goes black or is unresponsive, try restarting the keyboard or reconnecting it. Ensure the screen module is properly seated. If issues persist, contact customer support.
- Keyboard Not Responding: Check the connection mode (wired, 2.4G, Bluetooth). Ensure the cable is securely connected or the wireless receiver is properly inserted. For Bluetooth, re-pair the device. Check battery level if using wireless modes.
- Unwanted Sound Effects: If the keyboard produces unexpected sounds, use FN + 0 (on number pad) to mute them.
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | GK104 Pro |
| Connectivity | Wired (USB-C), 2.4G Wireless, Bluetooth 5.1 |
| Keyboard Type | Mechanical |
| Switch Compatibility | 3-pin or 5-pin Hot-Swappable |
| Display Screen | 1.7-inch (160x128) or 2.0-inch (320x240) TFT LCD RGB |
| Special Features | Backlit RGB, Customizable Display Keys, Ergonomic, Hot-Swappable, Volume Knobs, Voice Calculator |
| Compatible Devices | PC, Gaming Console, Smartphone, Tablet |
| Material | Polyethylene |
| Item Weight | 3.68 pounds |
| Package Dimensions | 19.09 x 7.6 x 2.56 inches |
9. Warranty and Support
Glacier products are manufactured to high-quality standards. For warranty information or technical support, please refer to the documentation included with your purchase or visit the official Glacier support website. Keep your proof of purchase for warranty claims.
