1. Introduction
This manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your ATTACK SHARK R85 HE Wired 75% Rapid Trigger Mechanical RGB Gaming Keyboard. Please read this manual thoroughly before using the product to ensure optimal performance and longevity.

Image: The ATTACK SHARK R85 HE keyboard, highlighting its magnetic switch technology and RGB lighting.
2. Package Contents
Verify that all items listed below are included in your package:
- ATTACK SHARK R85 HE Keyboard x 1
- Keycap and Switches Puller x 1
- USB-C Cable x 1
- User Manual x 1
- Dust Cover x 1
- ATTACK SHARK Sticker x 2

Image: A visual representation of all items included in the keyboard package, such as the keyboard, USB-C cable, keycap puller, and user manual.
3. Key Features
- Compact 75% Layout: Balances functionality with desk space efficiency.
- Rapid Trigger Magnetic Switches: Offers adjustable actuation and ultra-responsive feedback with 0.005mm RT accuracy.
- High Performance: Features an 8000Hz polling rate and 0.08ms latency for fast response times.
- Five-layer Noise-cancelling Design: Incorporates PE sandwich foam, IXPE shaft-mounted pads, PET acoustic damping pads, shaft-seat noise-cancelling foam, and a silicone base for a pure keystroke sound.
- Custom RGB Lightbox: Distinctive top-mounted RGB lightbox with customizable dynamic lighting effects.
- Web-driven Customization: Supports web-based driver adjustments for key functions, macros, and lighting.
- Durable Construction: Aluminum alloy positioning plate ensures stable operation.
- Wired Connectivity: USB-C connection for reliable performance.

Image: A collage showcasing the key features of the R85 HE keyboard, such as its RGB lightbox, sound-dampening layers, media knob, high polling rate, and precise actuation.
4. Setup
4.1 Connecting the Keyboard
- Locate the USB-C port on the back of the keyboard.
- Connect one end of the provided USB-C cable to the keyboard.
- Connect the other end of the USB-C cable to an available USB port on your computer (PC or Mac).
- The keyboard will automatically be recognized by your operating system.
4.2 Driver Installation (Optional for Advanced Customization)
For advanced customization of key functions, macros, and lighting effects, download the dedicated web driver. This driver allows for fine-tuning of the keyboard's features.
- Visit the official ATTACK SHARK website to download the latest driver software.
- Follow the on-screen instructions to install the driver.

Image: Screenshot of the web-driven software interface for customizing keyboard settings, including key functions and lighting.
5. Operating Instructions
5.1 Basic Keyboard Functions
The R85 HE keyboard operates as a standard 75% layout keyboard upon connection. All keys perform their labeled functions.
5.2 RGB Lighting Control
The keyboard features extensive RGB lighting. Use the dedicated web driver for full customization. Basic lighting adjustments can often be made directly on the keyboard using function key combinations (refer to the driver software for specific keybinds).
5.3 Web Driver Customization
The web driver provides comprehensive control over your keyboard:
- Key Settings: Remap keys, create custom functions.
- Magnetic Switch Settings: Adjust actuation distance (Rapid Trigger), set dead zones for individual keys.
- Macro Editing: Record and assign complex macros.
- Light Settings: Customize RGB effects, colors, brightness, and speed for both key backlighting and the lightbox.
- FN Layer Settings: Configure secondary functions accessible via the FN key.
5.4 Quick Calibration Guide (for Magnetic Switches)
To ensure optimal performance of the magnetic switches, periodic calibration may be required, especially after driver updates or significant environmental changes.
- Open the web driver or downloaded software.
- In the "Keyboard Setting" panel, find "Travel Calibration" on the right side and click it.
- In the pop-up window, select "Start Calibration."
- Follow the on-screen instructions, then click "Calibration Complete" to finish.

Image: A step-by-step guide within the keyboard's software for performing a travel calibration on the magnetic switches.
6. Maintenance
6.1 Cleaning the Keyboard
- Disconnect the keyboard from your computer before cleaning.
- Use a soft, lint-free cloth slightly dampened with water or a mild cleaning solution to wipe the surface.
- For dust and debris between keycaps, use compressed air or the provided keycap puller to remove keycaps and clean underneath.
- Do not use harsh chemicals or abrasive materials.
6.2 Keycap and Switch Replacement
The R85 HE keyboard features hot-swappable switches, allowing for easy replacement or customization.
- Use the provided keycap puller to gently remove keycaps.
- Use the switch puller to carefully remove the magnetic switches.
- Align new switches correctly with the PCB sockets and press firmly until they click into place.
- Reattach keycaps by pressing them onto the switch stems.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Keyboard not responding | Loose cable connection, faulty USB port, driver issue. | Check USB-C cable connection. Try a different USB port. Restart your computer. Reinstall the keyboard driver. |
| Keys not registering or double-typing | Magnetic switch calibration needed, debris under switch, faulty switch. | Perform magnetic switch calibration via the driver. Clean under the keycap/switch. Replace the faulty switch if necessary. |
| RGB lighting not working | Lighting settings misconfigured, driver issue. | Check lighting settings in the web driver. Ensure the driver is up to date. |
| Web driver not detecting keyboard | Driver not installed correctly, compatibility issue. | Ensure the keyboard is connected. Reinstall the driver. Check for OS compatibility updates. |
8. Specifications
- Brand: MAMBASNAKE
- Model: R85
- Layout: 75%
- Number of Keys: 79
- Switch Type: Magnetic Switch (Hall Effect, Linear)
- Polling Rate: 8000Hz
- Latency: 0.08ms
- RT Accuracy: 0.005mm
- Connectivity: Wired (USB-C)
- Compatible Devices: PC, MAC
- Backlighting: RGB
- Special Features: Custom RGB Lightbox, Hot-Swappable, Programmable Web Driver, 5-Layer Noise-cancelling Design
- Product Dimensions: 13"L x 6.5"W x 1.5"H
- Material: ABS Plastic (Enclosure)
9. Warranty and Support
Warranty information is typically provided with your product packaging. Please refer to the documentation included in your box for specific warranty terms and conditions.
For further support, driver downloads, or frequently asked questions, please visit the official MAMBASNAKE store or contact customer service:
- MAMBASNAKE Store: Visit the MAMBASNAKE Store on Amazon
10. Product Videos
MAMBASNAKE & ATTACK SHARK R85 Gaming Keyboard Overview
Video: An overview of the MAMBASNAKE ATTACK SHARK R85 Gaming Keyboard, showcasing its design, features, and performance in a gaming context.
R85 HE Keyboard Features
Video: A detailed look at the R85 HE Gaming Keyboard's features, including its rapid trigger switches, sound dampening, and customizable RGB lighting.
R85 HE Keyboard Design Showcase
Video: A showcase of the R85 HE Keyboard's design, highlighting its aesthetic elements and various color options.
R85 HE Keyboard Typing Experience
Video: Demonstrates the typing experience on the R85 HE Keyboard, focusing on the sound and feel of the magnetic switches.