1. Introduction
This manual provides comprehensive instructions for the setup, operation, and maintenance of your A4 Tech G3-200N Wireless Optical Mouse. Please read this manual thoroughly before using the product to ensure optimal performance and longevity.

A top-down view of the A4 Tech G3-200N wireless mouse, showing its black body with blue accents and the scroll wheel.
2. Package Contents
Please check the package contents to ensure all items are present:
- A4 Tech G3-200N Wireless Optical Mouse
- USB Receiver
- User Manual (this document)
3. Setup
3.1 Install Battery
Locate the battery compartment on the underside of the mouse. Open the compartment cover and insert one AA battery, ensuring correct polarity (+/-). Close the battery compartment cover securely. Note: The AA battery is not included.
3.2 Connect USB Receiver
Plug the USB receiver into an available USB port on your computer. The operating system will automatically detect and install the necessary drivers. This process may take a few moments.

A top-down view of the A4 Tech G3-200N wireless mouse alongside its compact USB receiver, highlighting the black and blue design.
3.3 Power On the Mouse
If your mouse has a power switch (typically on the underside), slide it to the "ON" position. The mouse should now be ready for use.
4. Operation
4.1 Basic Functions
- Left Button: Primary click function, typically used for selecting items or opening links.
- Right Button: Secondary click function, typically used to open context menus.
- Scroll Wheel: Scroll up or down through documents and web pages. The scroll wheel can also function as a middle button when pressed.

An angled top view of the A4 Tech G3-200N wireless mouse, emphasizing its contoured design and the A4TECH logo, with visible buttons.
4.2 Optical Tracking
The A4 Tech G3-200N uses optical tracking technology for precise cursor movement. For best performance, use the mouse on a non-reflective, opaque surface. Avoid using it on glass or highly reflective surfaces.
4.3 Wireless Range
The mouse operates wirelessly via the 2.4 GHz frequency band. Ensure the USB receiver is within a reasonable range (typically up to 10 meters) for uninterrupted connectivity.
5. Maintenance
5.1 Cleaning the Mouse
To clean your mouse, gently wipe its surface with a soft, slightly damp cloth. Avoid using harsh chemicals, solvents, or abrasive cleaners, as these can damage the finish or internal components. Ensure no liquid enters the mouse.
5.2 Battery Replacement
When the mouse performance degrades, the cursor becomes erratic, or the mouse stops responding, it may be time to replace the AA battery. Follow the battery installation steps outlined in Section 3.1.
6. Troubleshooting
| Problem | Possible Solution |
|---|---|
| Mouse not responding |
|
| Erratic cursor movement |
|
| Poor wireless connection |
|
7. Specifications
- Brand: A4tech
- Model: G3-200N
- Connectivity: Wireless (2.4 GHz USB Receiver)
- Movement Detection: Optical
- Number of Buttons: 3 (Left, Right, Scroll Wheel/Middle Button)
- Hand Orientation: Ambidextrous
- Power Source: 1 x AA Battery (not included)
- Color: Black/Blue
8. Warranty and Support
For detailed warranty information and technical support, please refer to the documentation provided with your purchase or visit the official A4tech website. Keep your proof of purchase for any warranty claims.
9. Contact Support
If you encounter issues not covered in this manual or require further assistance, please contact A4tech customer support through their official website or the contact information provided with your product packaging.





