ATTACK SHARK X820 Ultra Wireless Mechanical Keyboard User Manual
Model: X820Ultra
1. Pengenalan
This manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your ATTACK SHARK X820 Ultra Wireless Mechanical Keyboard. Please read this manual thoroughly before using the product to ensure optimal performance and longevity.

Image 1.1: ATTACK SHARK X820 Ultra Wireless Mechanical Keyboard in white with purple and light blue keycaps.
2. Kandungan Pakej
Sahkan bahawa semua item yang disenaraikan di bawah disertakan dalam pakej anda. Jika ada item yang hilang atau rosak, sila hubungi sokongan pelanggan.
- X820 Ultra Keyboard x1
- Kabel USB-C x1
- 2-in-1 Keycap/Switch Puller x1
- Manual Pengguna x1
- Suis Ganti x2
- ATTACK SHARK Mascot Stickers x2

Image 2.1: All items included in the ATTACK SHARK X820 Ultra package, including the keyboard, USB-C cable, keycap puller, user manual, spare switches, and stickers.

Image 2.2: A visual representation of the package contents, including the keyboard, keyboard cover, spare switches, 2-in-1 key puller, manual, and 2.4GHz wireless receiver.
3. Produk Lebihview
The ATTACK SHARK X820 Ultra is a 75% layout mechanical keyboard designed for versatility and performance. Key features include:
- Susun Atur 75%: Compact design with 80 keys and a multi-function knob.
- Lampu Latar RGB Penuh: Customizable lighting with 16.8 million colors and 19 preset effects.
- Bateri 4000mAh: Long-lasting rechargeable battery for extended use.
- Kesambungan Mod Tiga Kali Ganda: Supports Bluetooth, 2.4GHz wireless, and USB-C wired connections.
- Five-Layer Padding: Enhanced gasket structure for improved typing feel and reduced noise.
- Kekunci PBT: Durable double-shot PBT keycaps for longevity and comfort.
- Web Pemandu: Inovatif web-based software for customization.
- Boleh Tukar Panas: Supports 3/5-pin mechanical switches for easy customization without soldering.
- TFT Custom Screen: Intelligent color TFT screen displaying time, battery level, connection status, and RGB effects.
- Metal Knob Design: Precision CNC metallic knob for menu navigation and settings adjustment.

Imej 3.1: Selesaiview of the keyboard's main features, including its 75% layout, RGB lighting, 4000mAh battery, triple connectivity modes, five-layer padding, PBT keycaps, web driver, hot-swappable switches, TFT custom screen, and metal knob design.

Image 3.2: Dimensions of the 75% layout keyboard, showing its length of 32.7cm, width of 13.6cm, and height of 4cm, along with the QWERTY layout and 80 keys plus one knob.

Image 3.3: Illustration of the OEM keycap profile, MX structure compatibility, and double-shot PBT keycaps.
4. Persediaan
4.1 Persediaan Fizikal
- Unpack the keyboard and all accessories from the box.
- Place the keyboard on a stable, flat surface.
- Adjust the 2-level feet at the back of the keyboard for your preferred typing angle.
- Ensure the anti-slip pads on the bottom of the keyboard are clean and provide good grip.
4.2 Pengecasan Awal
Before first use, it is recommended to fully charge the keyboard. Connect the supplied USB-C cable to the keyboard's USB-C port and the other end to a power source (e.g., computer USB port, USB wall adapter).
4.3 Suis Mod
Locate the 3-mode switch on the back of the keyboard. This switch allows you to select between Windows (Win) and Mac operating system layouts, and also between 2.4G wireless, USB wired, and Bluetooth modes. Ensure the switch is set to the correct operating system and connection mode before pairing or connecting.

Image 4.1: Details of the keyboard's physical features, including the 2.4G receiver storage compartment, the 3-mode switch for Win/Mac and connectivity, anti-slip pads, and 2-level height adjustable feet.
5. Arahan Operasi
5.1 Mod Kesambungan
The X820 Ultra keyboard supports three connection modes: Bluetooth, 2.4GHz Wireless, and USB-C Wired.
5.1.1 Sambungan Berwayar USB-C
- Ensure the mode switch on the back of the keyboard is set to 'USB'.
- Sambungkan kabel USB-C ke papan kekunci dan komputer anda.
- Papan kekunci akan dikenali secara automatik dan sedia untuk digunakan.
5.1.2 Sambungan Wayarles 2.4GHz
- Cari penerima wayarles 2.4G, biasanya disimpan dalam petak pada papan kekunci.
- Ensure the mode switch on the back of the keyboard is set to '2.4G'.
- Palamkan penerima 2.4G ke dalam port USB yang tersedia pada komputer anda.
- Papan kekunci sepatutnya bersambung secara automatik. Jika tidak, tekan FN + 4 untuk memulakan berpasangan.
5.1.3 Sambungan Bluetooth
- Ensure the mode switch on the back of the keyboard is set to 'BT'.
- Tekan FN + 1, FN + 2, atau FN + 3 to select a Bluetooth channel. The corresponding key will flash, indicating pairing mode.
- On your device (PC, smartphone, tablet), search for Bluetooth devices and select "ATTACK SHARK X820 Ultra".
- Once paired, the key will stop flashing and remain lit. You can switch between up to 3 paired Bluetooth devices using FN + 1/2/3.

Image 5.1: Illustration of the keyboard's triple mode connectivity options: USB-C wired, Bluetooth, and 2.4GHz wireless, compatible with various devices and systems.

Image 5.2: Visual guide for switching between Bluetooth, 2.4G, and USB-C wired modes using the physical switch on the back of the keyboard, and the corresponding key combinations.
5.2 TFT Smart Screen & Knob Functions
The integrated TFT smart screen displays useful information and allows for quick adjustments using the CNC metallic knob.
5.2.1 Melaraskan Kelantangan
- Tekan FN + Knob to activate volume control.
- Scroll the knob to adjust volume up or down.
5.2.2 Menavigasi Menu
- Rotate the knob to scroll through menu options on the TFT screen.
- Short press the knob to select an option or confirm.
The screen can display time, battery level, connection status, and RGB backlight effects. Custom GIF animations can also be uploaded via the driver software.

Imej 5.3: Terperinci view of the multi-function knob and TFT screen, showing how to adjust volume and navigate menus for settings like connection mode, lighting effect, light intensity, light speed, light color, and language choice. Also displays custom GIF/image functionality.

Image 5.4: Explains how to use the CNC knob for volume control (FN + Press, then Scroll) and menu navigation (Rotate to select, Press to confirm), with examples of screen displays for light speed, lighting effect, and connect mode.

Image 5.5: Highlights the 0.85-inch TFT Smart Screen's capabilities, including displaying the home page with time and battery, custom GIF/image support, and settings for connection mode, lighting effect, light intensity, light speed, light color, and language.
5.3 Penyesuaian Lampu Latar RGB
The keyboard features south-facing RGB LEDs with 16.8 million colors and 19 predefined effects.
- Togol RGB: Tekan FN + { to turn RGB on/off.
- Kesan Perubahan: Tekan FN + | to cycle through preset lighting effects.
- Tukar Warna: Tekan FN + Enter to change the color of the current effect.
- Custom Light Effect: Use the software for advanced customization.

Image 5.6: Demonstrates RGB backlight features, including 16 million colors, turning RGB on/off with FN+{, changing color with FN+Enter, and custom light effects.
5.4 Software Customization (QMK/VIA)
The keyboard is fully programmable via QMK (qmk.top) and supports VIA software for advanced customization. This allows you to:
- Pemetaan semula kekunci.
- Create and edit macros.
- Customize RGB lighting per key.
- Synchronize screen content.
- Upload custom GIFs to the TFT screen.
The web driver can be accessed directly in a browser, eliminating the need for downloads. For detailed instructions on using QMK/VIA, refer to the official QMK website or the provided software documentation.

Image 5.7: Screenshot of the innovative web driver interface, showing options for macro editing, key remapping, screen sync, and GIF upload, accessible directly in a browser.

Image 5.8: Highlights the programmable web software features, including remapping keys, macro editing, and RGB design, with a note to download the web driver from qmk.top or bit.ly/X820SOFTWARE.
5.5 Semakan Status Bateri
To check the current battery level, long press FN + Ruang Belakang. The TFT screen will display the battery percentage.

Image 5.9: Instructions on how to check the keyboard's battery level by long-pressing FN + Backspace, with visual indicators for 25%, 50%, 75%, and 100% charge.
6. Maintenance and Customization
6.1 Suis Boleh Tukar Panas
The X820 Ultra features hot-swappable sockets compatible with 3-pin and 5-pin mechanical switches, allowing you to change switches without soldering.
6.1.1 Changing Switches
- Use the included 2-in-1 keycap/switch puller to carefully remove the keycap from the desired switch.
- Use the switch puller to gently grip the switch from the top and pull it straight up to remove it from the PCB.
- Selaraskan pin suis baharu dengan lubang pada PCB. Pastikan pin lurus untuk mengelakkan bengkok.
- Tekan suis baharu pada tempatnya sehingga ia berbunyi klik.
- Pasang semula penutup kekunci.
The keyboard comes with pre-lubricated linear switches for a smooth and responsive typing experience. Plate-mounted stabilizers are also used for larger keys.

Image 6.1: Demonstrates the hot-swappable PCB, supporting 3/5-pin mechanical switches, with views of pre-lubed linear switches, hot-swap sockets, and plate-mounted stabilizers.

Image 6.2: Illustrates the full key hot-swappable feature, compatible with 3 or 5-pin mechanical switches, showing pre-lubed linear switches, hot-swap sockets, and south-facing LEDs.

Image 6.3: Table comparing specifications for 'Gift Switch' and 'Shark Switch', including actuation travel, total travel, actuation force, and bottom force, both being linear type switches.
6.2 Struktur Gasket
The keyboard incorporates an enhanced gasket mount design with multiple layers of sound-dampening materials. This structure improves typing feel, reduces noise and vibration, and provides a soft touch and premium sound experience.
- PCB Plant
- PORON Dampbuih ening
- Gasket
- IXPE Switch Pad
- PET Acoustic Pad
- DEPDM Slot Foam
- Silicone Base Pad

Imej 6.4: Meletup view diagram illustrating the multi-layered gasket structure of the keyboard, detailing components like the PCB, PORON foam, gasket, IXPE switch pad, PET acoustic pad, DEPDM slot foam, and silicone base pad.

Image 6.5: Highlights the benefits of the gasket structure, including improved typing feel, reduced noise and vibration, and a soft touch with premium sound experience, showing 80% more stable layers and 60% noise reduction.
7. Spesifikasi
| Ciri | Perincian |
|---|---|
| Jenama | SERANGAN JEUNG |
| Nombor Model | X820Ultra |
| Teknologi Ketersambungan | Bluetooth, Wayarles 2.4G, Berwayar USB-C |
| Peranti Serasi | Komputer riba, PC, Telefon Pintar, Tablet |
| Penerangan Papan Kekunci | Permainan |
| Penggunaan yang Disyorkan | Gaming, Multimedia, Personal, Programming, Education |
| Ciri Khas | 4000mAh Battery, QMK Compatibility, CNC Knob, Enhanced Gasket Mount, TFT Smart Screen |
| warna | putih |
| Pengurusan Warna Lampu Latar Papan Kekunci | RGB |
| Dimensi Produk (L x W x H) | 32.7L x 13.6W x 4H sentimeter |
| bahan | plastik |
| Sumber Kuasa | Dikuasakan Bateri |
| Jenis Suis | Linear |
| Susun atur papan kekunci | QWERTY |
| Bilangan Kunci | 80 |
| Keluarga OS yang Serasi | Windows |
| Bahan Dalaman | plastik |
| Keyboard Plate Material | FR4 |
| GTIN | 752010424092 |
8. Penyelesaian masalah
8.1 Isu Ketersambungan
- Keyboard not connecting via Bluetooth/2.4G: Ensure the mode switch on the back of the keyboard is set to the correct mode (BT or 2.4G). For Bluetooth, try selecting a different channel (FN+1/2/3) and re-pairing. For 2.4G, ensure the receiver is securely plugged in and try pressing FN+4 to re-establish connection.
- Sambungan terputus-putus: Ensure the keyboard is within range of your device (for wireless modes) and there are no major obstructions. Check for interference from other wireless devices.
- Sambungan berwayar tidak berfungsi: Ensure the USB-C cable is fully inserted into both the keyboard and the computer. Try a different USB port or cable.
8.2 Isu Fungsi Utama
- Kunci tidak bertindak balas: Check if the keyboard is powered on and connected. If a specific key is not working, it might be a faulty switch. Utilize the hot-swappable feature to replace the switch.
- Incorrect key output (e.g., QWERTY vs. AZERTY): Ensure the Win/Mac switch on the back of the keyboard is set correctly for your operating system. If using QMK/VIA software, verify key mappings.
8.3 Isu Pencahayaan RGB
- RGB not lighting up: Ensure RGB is enabled (FN+{). Check brightness settings via the knob or software.
- Warna/kesan yang salah: Cycle through effects (FN+|) or colors (FN+Enter). Use the software for advanced customization if needed.
8.4 TFT Screen Issues
- Screen blank or unresponsive: Ensure the keyboard is powered on. Try restarting the keyboard. If the issue persists, a firmware update via the web driver might be necessary.
9. Waranti dan Sokongan
9.1 Maklumat Waranti
The ATTACK SHARK X820 Ultra keyboard comes with a Waranti 6 bulan dari tarikh pembelian. Waranti ini meliputi kecacatan dan kerosakan pembuatan di bawah penggunaan biasa. Ia tidak meliputi kerosakan yang disebabkan oleh salah guna, kemalangan, pengubahsuaian tanpa kebenaran atau haus dan lusuh biasa.
9.2 Sokongan Pelanggan
For technical assistance, warranty claims, or any other inquiries, please contact ATTACK SHARK customer support through the retailer where you purchased the product or visit the official ATTACK SHARK webtapak untuk maklumat hubungan.
Sila simpan bukti pembelian anda untuk perkhidmatan waranti.