Ajazz AK820 Gaming Keyboard User Manual

1. Introduction

The Ajazz AK820 is a versatile mechanical gaming keyboard designed for an enhanced typing and gaming experience. It features a compact 75% layout with 81 keys, hot-swappable switches, and dynamic RGB backlighting. Depending on the version, it supports wired, 2.4G wireless, and Bluetooth 5.1 connectivity, offering flexibility for various setups. The PRO version includes a 0.85-inch TFT color display and a multi-function metal knob for easy control.

Ajazz AK820 PRO keyboard overview, highlighting three-mode connection, hot-swappable switches, and RGB.

2. Package Contents

Before you begin, please ensure all items are present in your package:

• Ajazz AK820 Keyboard (x1)
• USB Type-C Data Cable (x1)
• User Manual (x1)
• Dust Cover (x1)
• Keycap Puller / Switch Puller 2-in-1 Tool (x1)

Ajazz AK820 Product Parameters table, including package contents.

3. Setup and Connection

3.1 Wired Connection

1. Connect the provided USB Type-C cable to the keyboard's Type-C port.
2. Plug the other end of the USB cable into an available USB port on your computer.
3. The keyboard will be automatically recognized and ready for use.

3.2 2.4G Wireless Connection (Tri-mode versions only)

1. Locate the 2.4G wireless receiver (dongle) usually stored in a slot on the keyboard.
2. Plug the 2.4G receiver into an available USB port on your computer.
3. Switch the keyboard's connection mode to 2.4G (refer to the keyboard's function keys or TFT screen for mode selection).
4. The keyboard should connect automatically.

3.3 Bluetooth Connection (Tri-mode versions only)

1. Ensure your computer or device has Bluetooth enabled.
2. Switch the keyboard's connection mode to Bluetooth (refer to the keyboard's function keys or TFT screen for mode selection).
3. On your device, search for new Bluetooth devices and select 'Ajazz AK820' (or similar) to pair.
4. Follow any on-screen prompts to complete the pairing process.

3.4 Initial Charging (Tri-mode versions only)

For wireless functionality, ensure the keyboard is sufficiently charged. Connect the USB Type-C cable to the keyboard and a power source (e.g., computer USB port, USB wall adapter). The TFT screen (if available) or indicator lights will show charging status.

4. Operating Instructions

4.1 Basic Functions

The AK820 features an 81-key layout. Standard key functions operate as expected. Refer to the keycap legends for specific character inputs.

4.2 RGB Backlighting Control

The keyboard features 16.8 million RGB colors for customizable backlighting. Use the dedicated function keys (often combined with the 'Fn' key) to cycle through lighting modes, adjust brightness, and change colors. The PRO version supports music rhythm synchronization.

Illustration of RGB Music Rhythm feature with keyboard and sound wave graphics.

4.3 Metal Knob Functionality (PRO versions only)

The anodized metal knob provides quick access to various settings:

• Press Fn + Knob to enter the screen setting page.
• Rotate the knob left/right to navigate options.
• Press the knob to confirm a selection (OK).

Close-up of the metal knob with instructions for screen settings and navigation.

4.4 TFT Color Display (PRO versions only)

The 0.85-inch TFT color display provides real-time information and settings. Icons on the display indicate:

• User animation
• Battery view
• Connection mode (Wired, 2.4G, BT)
• WIN system switch
• Lighting adjustment
• Volume adjustment

Close-up of the 0.85-inch TFT color display showing various status icons.

4.5 Hot-Swappable Switches

The AK820 features full key hot-swappable switches, allowing you to easily change switches without soldering. Use the provided 2-in-1 tool to carefully remove keycaps and switches. Ensure replacement switches are compatible.

Diagram illustrating the Gasket Structure of the keyboard and hot-swappable switch sockets.

4.6 System Switching

The keyboard supports Windows and MacOS operating systems. Use the appropriate function key combination (often indicated on the TFT screen or via a dedicated switch) to toggle between Windows and Mac modes for optimal compatibility.

5. Maintenance

5.1 Cleaning

• Disconnect the keyboard from your computer before cleaning.
• Use a soft, dry cloth to wipe down the keycaps and body.
• For deeper cleaning, use the keycap puller to remove keycaps and clean underneath with compressed air or a small brush.
• Avoid using harsh chemicals or abrasive materials.

5.2 Switch and Keycap Replacement

The hot-swappable design allows for easy replacement of switches and keycaps:

1. Gently use the keycap puller to remove the desired keycap.
2. Use the switch puller end of the tool to carefully grip and pull out the switch.
3. Align the pins of the new switch with the sockets on the PCB and press firmly until it clicks into place.
4. Replace the keycap.

6. Troubleshooting

6.1 Keyboard Not Responding

• Wired: Ensure the USB cable is securely connected to both the keyboard and the computer. Try a different USB port or cable.
• 2.4G Wireless: Ensure the 2.4G receiver is plugged in and the keyboard is in 2.4G mode. Check battery level.
• Bluetooth: Ensure Bluetooth is enabled on your device and the keyboard is in Bluetooth pairing mode. Re-pair the device if necessary. Check battery level.

6.2 Backlighting Not Working/Incorrect

• Check if the backlight is turned off or set to minimum brightness using the function keys.
• Ensure the keyboard is not in a low-power mode (for wireless versions).
• For PRO versions, check lighting settings via the TFT screen and knob.

6.3 Keys Not Registering

• If a specific key is not working, try hot-swapping the switch for that key with a known working switch to determine if the issue is with the switch or the PCB.
• Ensure keycaps are properly seated.

6.4 Short Battery Life (Tri-mode versions only)

• RGB backlighting significantly reduces battery life. Consider reducing brightness or turning off RGB when not needed.
• Ensure the keyboard is fully charged before use.
• Battery life is approximately 100 hours without RGB and 20 hours with RGB.

Battery life information for the 4000mAh battery, showing 100 hours without light and 20 hours with RGB.

7. Specifications

Ajazz AK820 detailed configuration list for Wired and Tri-mode versions.

7.1 Switch Specifications

Specifications for Sea Salt, Moon, and Green Plum linear switches.

8. User Tips

• Russian Layout: The Ajazz AK820 is available with a Russian layout. Ensure you select the correct version when purchasing if this is a requirement.
• Optimizing Battery Life: To extend battery life on tri-mode versions, consider turning off or dimming the RGB backlighting when not actively gaming or when working in a well-lit environment.
• Customizing RGB: Experiment with the various RGB lighting modes and effects to personalize your keyboard's appearance. The music rhythm feature on PRO versions can add an immersive touch to your audio experience.
• Switching Systems: Remember to switch the keyboard to the correct operating system mode (Windows/Mac) for optimal key mapping and functionality.

9. Warranty and Support

For warranty information, technical support, or service inquiries, please refer to the official Ajazz website or contact your retailer. Keep your purchase receipt as proof of purchase.