ATTACK SHARK X820 Ultra Wireless Mechanical Keyboard User Manual

Introduction

The ATTACK SHARK X820 Ultra is a high-performance 75% layout wireless mechanical keyboard designed for both gaming and productivity. It features an interactive TFT color display, a precision CNC metal control knob, and versatile triple connectivity options including Bluetooth, 2.4GHz wireless, and USB-C wired modes. Built with hot-swappable mechanical switches, south-facing RGB LEDs, and durable PBT keycaps, the X820 Ultra offers a customizable and comfortable typing experience.

ATTACK SHARK X820 Ultra keyboard with key features highlighted

Figure 1: ATTACK SHARK X820 Ultra Wireless Mechanical Keyboard

Specifications

Feature	Detail
Model	X820Ultra
Brand	Attack Shark
Keyboard Standard	75% Layout (80 keys)
Operation Style	Mechanical
Connectivity	2.4Ghz Wireless, Bluetooth, USB-C Wired (Tri-Mode)
Switches	Hot-swappable (3- and 5-pin sockets)
Keycap Material	PBT plastic
Keycap Printing	Dye-sublimation
Backlight	MULTICOLOR (19+ RGB & Programmable, South-Facing LEDs)
Screen Type	0.85-inch TFT color Screen
Battery Capacity	4000mAh
Application	Desktop, Laptop
PCB	1.2mm FR4 double-layer PCB with individually recessed key positions
Package	Yes
Wrist Support	No
Language	English

X820ULTRA Mechanical Keyboard features including 75% Layout, RGB, 4000mAh Battery, 3 Modes, Five-Layer Padding, PBT Keycap, Web Driver, Hot Swappable, TFT Custom Screen, Metal Knob Design

Figure 2: Key Features of the X820 Ultra

Package Contents

Please check the package for the following items:

ATTACK SHARK X820 Ultra Mechanical Keyboard
USB-C Cable
User Manual
Keycap Puller (expected for hot-swappable keyboards)
Switch Puller (expected for hot-swappable keyboards)

Setup

1. Initial Connection

The X820 Ultra keyboard supports three connection modes: USB-C wired, 2.4GHz wireless, and Bluetooth. No complex setup is required for basic functionality.

Tri-Mode Connection diagram showing Wired, Bluetooth, and 2.4GHz options

Figure 3: Tri-Mode Connection Options

2. Wired Mode (USB-C)

Connect the provided USB-C cable to the keyboard and your computer's USB port.
The keyboard will automatically be recognized and ready for use.

3. 2.4GHz Wireless Mode

Plug the 2.4GHz USB receiver into an available USB port on your computer.
Switch the keyboard to 2.4GHz mode using the designated switch or hotkey (refer to the keyboard's physical switch or markings).
The keyboard should connect automatically.

4. Bluetooth Mode

Switch the keyboard to Bluetooth mode using the designated switch or hotkey (e.g., FN+1/2/3).
On your device (computer, tablet, phone), search for Bluetooth devices and select 'ATTACK SHARK X820 Ultra'.
Pair the device. The keyboard can store up to 3 Bluetooth connections, allowing quick switching between devices.

5. Driver Installation (Optional for Advanced Features)

To customize GIF animations on the TFT screen and access advanced programming features, download and install the official driver from the manufacturer's website. This driver also enables full QMK programmability.

Operating Instructions

1. Interactive TFT Screen

The 0.85-inch TFT color display provides real-time information:

Time: Displays current time.
Battery Level: Shows remaining battery charge.
Connection Status: Indicates current connection mode (Wired, 2.4GHz, Bluetooth).
RGB Backlight Effects: Visualizes active lighting patterns.
Custom GIF Animations: Can display user-defined GIF animations via the driver.

2. Control Knob

The precision CNC metal knob offers intuitive control:

Scroll: Rotate the knob to scroll through menus or adjust values.
Press: Press the knob to confirm selections or toggle functions.
Adjustments: Use the knob to modify lighting brightness, speed, and other system settings.

3. RGB Backlight Control

The keyboard features vivid south-facing RGB LEDs with 16.8 million colors and 19 preset lighting effects.

Switch Effects: Press FN + | to cycle through the preset lighting modes.
Brightness/Speed: Use the control knob or specific FN key combinations (refer to the manual or driver software) to adjust brightness and animation speed.

4. QMK Programmability

The X820 Ultra is fully programmable via QMK (qmk.top), allowing for advanced customization:

Per-Key RGB: Customize the color and effect of individual keys.
Key Remapping: Reassign functions to any key.
Macros: Create complex sequences of commands with a single key press.
Firmware Updates: QMK allows for advanced firmware modifications and updates.

5. Hot-Swappable Switches

The keyboard's hot-swappable 3- and 5-pin sockets allow you to change mechanical switches without soldering. This enables easy customization of typing feel and sound.

Removal: Use the provided switch puller to carefully remove existing switches.
Installation: Align the pins of the new switch with the sockets on the PCB and press firmly until it clicks into place. Ensure pins are not bent.

Video 1: Product demonstration of RGB, typing, and hot-swapping features.

Maintenance

1. Cleaning the Keyboard

General Cleaning: Use a soft, dry cloth to wipe down the keyboard surface. For stubborn dirt, slightly dampen the cloth with water or a mild cleaning solution (avoid harsh chemicals).
Keycaps: Use the provided keycap puller to remove keycaps for deeper cleaning. Keycaps can be washed with mild soap and water, then thoroughly dried before reattaching.
Under Keycaps: Use compressed air to remove dust and debris from between switches. A small brush can also be used.

2. Battery Care

To prolong battery life, avoid fully discharging the 4000mAh battery frequently.
Charge the keyboard using the provided USB-C cable when the battery indicator on the TFT screen shows low power.
If storing the keyboard for an extended period, charge it to about 50% to prevent deep discharge.

Troubleshooting

1. Keyboard Not Responding

Check Connection: Ensure the keyboard is properly connected in wired mode, or that the 2.4GHz receiver is plugged in and the keyboard is in 2.4GHz mode, or that Bluetooth is paired and selected.
Battery Level: Check the TFT screen for battery status. Recharge if low.
Restart: Turn the keyboard off and on again. Restart your computer/device.

2. Wireless Connectivity Issues

Interference: Move the keyboard closer to the receiver/device. Avoid placing it near other wireless devices (Wi-Fi routers, cordless phones) that might cause interference.
Re-pair: For Bluetooth, unpair and re-pair the keyboard. For 2.4GHz, try re-plugging the receiver.

3. RGB Backlight Not Working/Incorrect

Brightness: Ensure the brightness is not set to minimum or off using the control knob or FN keys.
Software: If using QMK or custom driver software, check settings for any conflicts or disabled lighting.
Reset: Try resetting the keyboard to factory default settings (refer to the driver software or specific key combination in the full manual).

4. TFT Screen Issues

Power: Ensure the keyboard is powered on and has sufficient battery.
Driver: If custom GIFs are not displaying, ensure the driver software is installed and configured correctly.

User Tips

Switch Experimentation: Take advantage of the hot-swappable feature to try different switch types (linear, tactile, clicky) to find your preferred typing feel.
QMK Customization: Explore the QMK firmware to create personalized key layouts and macros, significantly enhancing your workflow or gaming experience.
Battery Management: For optimal wireless performance, keep an eye on the battery indicator on the TFT screen and charge the keyboard regularly.
Cleanliness: Regularly clean your PBT keycaps and the area under them to maintain the keyboard's aesthetic and tactile quality.

Warranty and Support

The ATTACK SHARK X820 Ultra Mechanical Keyboard comes with a manufacturer's warranty. For detailed warranty information, technical support, or service inquiries, please refer to the official ATTACK SHARK website or contact their customer support directly. Keep your proof of purchase for warranty claims.