Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your Acer Predator Cestus 300 RGB Gaming Mouse. Please read this guide thoroughly to ensure optimal performance and longevity of your device.
Package Contents
Verify that all items are present in the package:
- Acer Predator Cestus 300 RGB Gaming Mouse
- Quick Start Guide (may be included separately)
Product Features
- Dual Omron Switch Design: Offers two options for click adjustment and a total lifespan of 70 million clicks.
- Predator Quarter Master Software: Enables customization of color, lighting patterns, sensitivity (5 DPI modes), and button programming.
- On-Board Memory: Stores up to 3 distinct profile settings.
- Programmable Macro Keys: Features 4 customizable macro keys for enhanced control.
- RGB Lighting: 16.8 million color options with 5 different lighting patterns.
- Ergonomic Design: Engineered for comfort during extended use.
Setup
Follow these steps to set up your Acer Predator Cestus 300 Gaming Mouse:
- Connect the Mouse: Plug the USB connector of the Predator Cestus 300 mouse into an available USB port on your computer. The operating system should automatically detect the device.
- Install Software: For full customization, download and install the Predator Quarter Master Software from the official Acer support website. This software allows you to configure DPI settings, RGB lighting, and program buttons.

Image: Top view of the Acer Predator Cestus 300 RGB Gaming Mouse, showcasing its ergonomic design and illuminated scroll wheel and logo.
Operating Instructions
DPI Adjustment
The mouse supports 5 customizable DPI modes. Use the dedicated DPI switch button, typically located below the scroll wheel, to cycle through the preset DPI levels. The Predator Quarter Master Software allows you to define these DPI values to suit your preferences.
Programmable Buttons and Macros
The Acer Predator Cestus 300 features 4 customizable macro keys. These buttons can be assigned specific functions, macros, or key combinations using the Predator Quarter Master Software. Refer to the software's interface for detailed instructions on button mapping and macro creation.
RGB Lighting Customization
Personalize your mouse with 16.8 million RGB color options and 5 different lighting patterns. All lighting effects are configurable through the Predator Quarter Master Software, allowing you to match your mouse's aesthetics with your gaming setup.
Profile Settings
The mouse includes on-board memory to store up to 3 user-defined profiles. Each profile can save unique DPI settings, button assignments, and lighting configurations. Switch between profiles using the designated button or through the software.

Image: Front view of the Acer Predator Cestus 300 RGB Gaming Mouse, highlighting the USB cable connection and the illuminated scroll wheel.
Maintenance
To ensure the longevity and optimal performance of your gaming mouse, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe the surface of the mouse. For stubborn dirt, slightly dampen the cloth with water. Avoid using harsh chemicals or abrasive cleaners.
- Sensor Care: Keep the optical sensor on the underside of the mouse clean and free from dust or debris. Use a cotton swab if necessary.
- Cable Management: Avoid sharp bends or excessive pulling on the USB cable to prevent damage.
Troubleshooting
If you encounter issues with your Acer Predator Cestus 300 mouse, try the following solutions:
- Mouse not responding: Ensure the USB cable is securely plugged into a working USB port on your computer. Try a different USB port.
- Software not detecting mouse: Verify that the Predator Quarter Master Software is installed correctly and is the latest version. Restart your computer.
- Inconsistent tracking: Clean the optical sensor and ensure you are using the mouse on a suitable surface (e.g., a mouse pad).
- Buttons not working: Check button assignments in the Predator Quarter Master Software. Ensure no conflicting software is running.
Specifications
| Brand | Acer |
| Model Number | Cestus 300 |
| Hardware Platform | PC |
| Operating System | Windows |
| Item Weight | 5.6 ounces |
| Product Dimensions (LxWxH) | 5 x 2.7 x 1.55 inches |
| Color | Black |
| Power Source | USB Powered |
| Manufacturer | Acer Computer |
| Connectivity Technology | USB |
| Special Feature | Ergonomic Design |
| Movement Detection Technology | Optical |
Warranty and Support
The Acer Predator Cestus 300 RGB Gaming Mouse is covered by a manufacturer's warranty. For specific warranty terms, conditions, and support, please refer to the documentation included with your product or visit the official Acer support website. Keep your proof of purchase for warranty claims.







