SUMREDA MG68 Wireless Gaming Mechanical Keyboard User Manual

1. Product Overview

The SUMREDA MG68 is a 68-key customized mechanical keyboard designed for gaming and general use. It features a Gasket structure, a multi-function volume knob, sound-dampening layers, full key anti-ghosting, and vibrant RGB lighting with 19 light modes. It supports three connection modes: wired (Type-C), 2.4G wireless, and Bluetooth.

Key Features:

• Gasket Structure: Provides a softer, more flexible typing feel and improved acoustics.
• Three-Mode Connectivity: Seamlessly switch between Wired (USB Type-C), 2.4G Wireless, and Bluetooth 5.0.
• 68-Key Layout: Compact and efficient design.
• Hot-Swappable Switches: Allows for easy replacement of switches without soldering.
• Custom Linear Shaft Body: Durable switches with a lifespan of up to 50 million presses.
• Two-Color PBT Keycaps: Wear-resistant and comfortable with clear legends.
• RGB Full Color Backlight: Multiple built-in light effects and customizable options.
• Multi-function Metal Knob: For volume control and one-key mute.
• 4000mAh Battery: Long-lasting power for wireless use (for three-mode version).
• Ergonomic Design: Two-section foot support for adjustable typing angles.

2. Package Contents

Please check the package for the following items:

• SUMREDA MG68 Mechanical Keyboard
• USB Type-C Cable
• 2.4G USB Receiver (for wireless models)
• Keycap Puller (may be included)
• Switch Puller (may be included)
• User Manual (this document)

3. Setup and Connection

3.1 Charging the Keyboard (Wireless Models)

Before first use, it is recommended to fully charge the keyboard. Connect the USB Type-C cable to the keyboard's port and the other end to a USB power source (e.g., computer USB port, wall adapter). The keyboard features a built-in 4000mAh lithium battery.

3.2 Connection Modes

The MG68 keyboard supports three connection modes: Wired, 2.4G Wireless, and Bluetooth. Use the switch located on the side/back of the keyboard to select your desired mode.

3.2.1 Wired Mode

• Set the mode switch to 'Wired' or 'Type-C'.
• Connect the USB Type-C cable from the keyboard to your computer's USB port.
• The keyboard will be recognized automatically. Wired connection also charges the keyboard.

3.2.2 2.4G Wireless Mode

• Set the mode switch to '2.4G'.
• Plug the 2.4G USB receiver into an available USB port on your computer.
• The keyboard should connect automatically.

3.2.3 Bluetooth Mode

The keyboard supports connecting to up to three Bluetooth devices.

• Set the mode switch to 'BT' (Bluetooth).
• On your device (computer, tablet, phone), enable Bluetooth and search for new devices.
• Select 'MG68' or a similar name from the list of available devices to pair.
• To switch between paired Bluetooth devices, use the FN key combinations (refer to Section 4.1).

3.3 System Compatibility Switch

The keyboard supports both Windows and Mac layouts. Use the system switch (often near the connection mode switch) or FN key combinations to toggle between layouts for optimal functionality.

4. Operation and Functions

4.1 FN Key Combinations (Windows System Example)

The FN key provides access to various multimedia and keyboard control functions. Below is a table of common FN key combinations:

4.2 Multimedia Knob

The metal knob located on the top right of the keyboard allows for quick audio control:

• Rotate: Adjusts system volume (clockwise for increase, counter-clockwise for decrease).
• Press: Mutes/unmutes audio.

4.3 Backlight Control

The MG68 features dynamic RGB backlighting. Use the FN key combinations to customize the lighting effects:

• FN + DEL: Turn backlight ON/OFF.
• FN + \|: Switch between different lamp effect modes.
• FN + ←: Adjust backlight speed.
• FN + ↑ / FN + ↓: Adjust backlight brightness.
• FN + Shift-R: Switch indicator color.

Note: Music rhythm light effects are only supported in wired mode.

4.4 Ergonomic Adjustment

The keyboard is equipped with two-section foot supports, allowing you to adjust the typing angle for a more comfortable ergonomic experience.

5. Maintenance

5.1 Cleaning

• Keycaps: Use a keycap puller to remove keycaps. Clean them with mild soap and water, then dry thoroughly before reattaching.
• Keyboard Surface: Use a soft, lint-free cloth, slightly dampened with water or a mild cleaning solution, to wipe the surface. Avoid excessive moisture.
• Between Keys: Use compressed air to remove dust and debris from between the keys.

5.2 Battery Care (Wireless Models)

• Avoid fully discharging the battery frequently.
• If storing the keyboard for an extended period, charge it to about 50% to prolong battery life.
• Use the provided Type-C cable for charging.

5.3 Switch Replacement (Hot-Swap)

The MG68 features hot-swappable switches. To replace a switch:

1. Carefully remove the keycap using a keycap puller.
2. Use a switch puller to gently grasp the switch and pull it straight up.
3. Align the pins of the new switch with the holes on the PCB and press down firmly until it clicks into place. Ensure pins are not bent.
4. Reattach the keycap.

6. Troubleshooting

• Keyboard not responding:
  • Check the connection mode switch (Wired, 2.4G, BT).
  • For wired mode, ensure the Type-C cable is securely connected.
  • For 2.4G, ensure the USB receiver is plugged in and the keyboard is in 2.4G mode.
  • For Bluetooth, ensure the keyboard is in BT mode, paired, and selected on your device.
  • Ensure the keyboard battery is charged (for wireless models).
• Keys not working or double-typing:
  • This could indicate a faulty switch. Utilize the hot-swap feature to replace the affected switch.
  • Ensure the keycap is properly seated.
• Backlight issues:
  • Use FN key combinations to adjust brightness or change lighting modes.
  • Ensure the keyboard is not in a low power state if wireless.
• Keyboard not pairing via Bluetooth:
  • Ensure the keyboard is in Bluetooth pairing mode.
  • Remove any existing 'MG68' pairings from your device's Bluetooth settings and try pairing again.
  • Try pairing with a different device to rule out device-specific issues.
• Factory Reset: If experiencing persistent issues, perform a 3-second reset by pressing FN + ALT-R.

7. Specifications

8. User Tips

• Customizing Switches: Experiment with different types of 3-pin or 5-pin mechanical switches to find your preferred typing feel, thanks to the hot-swap feature.
• Cable Management: Utilize the Type-C cable for charging while in wired mode to maintain battery levels for wireless use.
• Bluetooth Device Management: If you frequently switch between devices, remember the FN key combinations to quickly cycle through your paired Bluetooth connections.
• Backlight Personalization: Explore the various RGB lighting modes and brightness settings to match your setup or mood.

9. Warranty and Support

For any technical support, warranty claims, or inquiries regarding your SUMREDA MG68 keyboard, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.

The product may be eligible for free returns within 90 days, depending on the purchase terms. Please refer to your purchase platform's return policy for details.