Introduction
The Darkflash GD68 is a versatile 68-key mechanical keyboard designed for a seamless typing experience across multiple devices. It supports three connection modes: Bluetooth, 2.4G Wireless, and wired USB Type-C, allowing connection to up to 5 devices simultaneously. Featuring hot-swappable Red Switches and durable PBT keycaps, the GD68 offers both performance and customization. This manual provides detailed instructions for setting up, operating, and maintaining your keyboard.
Figure 1: Darkflash GD68 Mechanical Keyboard in Ink Dyeing and Jasmine color variants.
Setup Instructions
1. Power On/Off
Locate the power switch on the keyboard. Slide it to the 'ON' position to power on the device.
Figure 2: Keyboard power switch (ON/OFF).
2. Wired Connection (USB Type-C)
- Plug the USB Type-C interface of the charging cable into the keyboard.
- Connect the USB-A interface to your computer.
- If the keyboard is in wireless mode, short press FN + T to switch to wired mode.
Figure 3: Wired connection setup.
3. 2.4G Wireless Connection
- Plug the USB receiver into your PC or notebook.
- Pull the power switch on the keyboard to 'ON'.
- Short press FN + R to switch to the 2.4G channel.
- At the same time, press and hold the FN + R buttons for 3-5 seconds to enter the code pairing mode (the green light flashes quickly).
- Insert the receiver within 20 seconds. If the code is successful, the LED goes out. If the code fails, the keyboard will go off after 20 seconds. Exit pairing mode, the LED turns off.
Figure 4: 2.4G wireless connection steps.
4. Bluetooth Connection
- Ensure the power switch is in the 'ON' state; the power-on indicator light will be on.
- Short press FN + Q/W/E to select one of the three Bluetooth groups (BT1, BT2, BT3). The blue light will flash nine times each time a device is switched, indicating a successful switch.
- Press and hold FN + Q/W/E for 3-5 seconds. The blue light of the corresponding button indicator will flash quickly, indicating that it has entered Bluetooth pairing mode.
- On your device (PC, laptop, tablet, phone), search for Bluetooth devices and select 'Darkflash GD68'.
- Once the connection is successful, the indicator light stops flashing, indicating successful pairing.
Figure 5: Multi-device connectivity options.
Operating Instructions
Key Functions and Layout
The GD68 features a compact 68-key layout. Many keys have secondary functions accessible via the FN key. Refer to the keycap legends for specific combinations (e.g., FN + F1 for multimedia controls).
Visible State Indicator Lights
The keyboard is equipped with four visual status indicator lights located on the space bar side panel. These lights provide quick information about the keyboard's power status and connection mode.
Figure 6: Visible state indicator lights.
Adjustable Non-Slip Feet
The keyboard features an ergonomic design with double adjustable non-slip feet. You can adjust the height to your preference for comfortable typing. The bottom is equipped with non-slip rubber pads for stable operation.
Figure 7: Adjustable non-slip feet.
Full Key Anti-Ghosting
The GD68 supports full key without conflict (N-key rollover/anti-ghosting), ensuring that every keypress is registered accurately, even during rapid typing or complex key combinations.
Figure 8: Full key anti-ghosting design.
Maintenance
Battery Charging and Life
The keyboard is equipped with a 1200mAh lithium battery. A full charge takes approximately 2 hours and provides about 90 days of usage time, depending on usage patterns.
Figure 9: Battery life and charging information.
Keycap and Switch Care
The keyboard features durable PBT plastic keycaps. For cleaning, gently wipe the keycaps with a soft, damp cloth. Avoid using harsh chemicals. The switches are hot-swappable, allowing for easy replacement or customization without soldering. Use the provided keycap and switch puller tools for safe removal and insertion.
Figure 10: Hot-swappable switch feature.
Figure 11: PBT two-color keycaps.
Troubleshooting
- Keyboard not connecting wirelessly (2.4G or Bluetooth):
Ensure the keyboard is powered on and fully charged. Verify that the correct connection mode (FN+R for 2.4G, FN+Q/W/E for Bluetooth) is selected and the indicator light is flashing for pairing. For 2.4G, ensure the USB receiver is securely plugged in. For Bluetooth, check your device's Bluetooth settings and try re-pairing. - Keyboard not responding in wired mode:
Ensure the USB Type-C cable is securely connected to both the keyboard and your computer. Try a different USB port or cable. Confirm that the keyboard is switched to wired mode (FN+T). - Charging light stays on but no operation:
This might indicate a connection issue or a low battery. Try charging the keyboard for a longer period. If the issue persists, attempt to reset the connection as described in the setup instructions for your preferred mode. - Keys not registering or ghosting:
The GD68 features full anti-ghosting. If you experience issues, ensure the keyboard firmware is up to date (check the manufacturer's website). If individual keys are problematic, consider replacing the hot-swappable switch for that key.
Specifications
| Feature | Specification |
|---|---|
| Product Name | GD68 |
| Product Type | Mechanical Keyboard |
| Keyboard Standard | 68 keys |
| Interface Type | Bluetooth, 2.4G Wireless, USB Type-C (Wired) |
| Operation Style | Mechanical (Red Switch) |
| Switches Hot Swap | Yes (full-key shaft seat hot-swappable) |
| Keycap Material | PBT plastic |
| Keycap Printing | Other (Two-color) |
| Backlight Type | No backlight |
| Full Size Keyboard | No |
| Wrist Support | No |
| Language | UK |
| Application | Desktop, Laptop, Number, Tablet |
| Lithium Battery | 1200mAh |
| Charging Time | Approx. 2 hours |
| Usage Time | Approx. 90 days |
| Mechanical Shaft Life | 50 million times |
| Return Rate | 1000Hz |
| Operating Force (Red Switch) | 45 ± 10gf |
| Conduction Stroke (Red Switch) | 2.0 ± 0.6mm |
| Total Trip (Red Switch) | 4.0 ± 0.4mm |
| Product Size | 313.2 * 103.7 * 30.7mm ± 5mm |
| Product Weight | 0.943 kg |
| Origin | Mainland China |
| Certification | CE, FCC |
Figure 12: Detailed product parameters.
Figure 13: Red Switch (linear axis) specifications and force-travel diagram.
User Tips
- Noise Reduction: Some users note that the keyboard does not include cotton padding, which can lead to a louder typing sound. For a quieter experience, consider aftermarket keyboard modding options such as adding foam or dampening material inside the keyboard case.
- USB-C Port Location: The USB-C input for wired connection and charging is typically located on the back or side edge of the keyboard. Refer to the product images for its exact placement.
- Multi-Device Switching: Take full advantage of the keyboard's ability to connect to up to 5 devices. Use the FN + Q/W/E combinations for quick switching between Bluetooth devices and FN + R for 2.4G wireless.
Warranty and Support
For warranty information and technical support, please refer to the official darkflash website or contact your retailer. Keep your proof of purchase for any warranty claims.
Product Overview Video
Video 1: A brief overview of the Darkflash GD68 Mechanical Keyboard's features and design.
