Product Overview
The A4tech KR-92 is a reliable and durable USB QWERTY keyboard designed for everyday use. It features a standard full-size layout with a numeric keypad, providing a comfortable and efficient typing experience for various computing tasks.
Figure 1: A4tech KR-92 USB QWERTY Keyboard. This image displays the full black keyboard with its standard QWERTY layout, function keys, navigation keys, and numeric keypad, connected via a USB cable.
Setup
Setting up your A4tech KR-92 keyboard is a simple plug-and-play process. No additional drivers are typically required for basic functionality on most operating systems.
Package Contents:
- A4tech KR-92 USB QWERTY Keyboard
System Requirements:
- Available USB port
- Compatible operating system (e.g., Windows, macOS, Linux)
Installation Steps:
- Unpack the Keyboard: Carefully remove the keyboard from its packaging.
- Connect to Computer: Locate an available USB port on your computer. Insert the USB connector of the A4tech KR-92 keyboard firmly into the USB port.
- System Recognition: Your operating system should automatically detect and install the necessary drivers for the keyboard. This process usually takes a few moments.
- Test Functionality: Once installed, open a text editor or any application that accepts text input and test the keys to ensure proper functionality.
Operating Instructions
The A4tech KR-92 keyboard operates like any standard QWERTY keyboard. Below are some common functions and key groups.
Key Layout:
- Alphanumeric Keys: Standard QWERTY layout for typing letters, numbers, and symbols.
- Function Keys (F1-F12): Located at the top row, these keys perform specific functions depending on the application or operating system.
- Navigation Keys: Includes Arrow keys, Home, End, Page Up, Page Down, Insert, and Delete for cursor movement and text manipulation.
- Numeric Keypad: A dedicated section on the right for efficient number entry and calculations. Ensure Num Lock is active for numeric input.
- Modifier Keys: Shift, Ctrl (Control), Alt (Alternate), and the Windows/Command key are used in combination with other keys to perform shortcuts and special commands.
Special Keys and Indicators:
- Caps Lock Indicator: A light on the keyboard (usually top right) illuminates when Caps Lock is active, indicating that all typed letters will be uppercase.
- Num Lock Indicator: A light illuminates when Num Lock is active, enabling the numeric keypad for number input.
- Scroll Lock Indicator: A light illuminates when Scroll Lock is active. Its function varies by application but is rarely used in modern software.
Maintenance
Proper maintenance can extend the lifespan of your A4tech KR-92 keyboard and ensure optimal performance.
Cleaning:
- Dust Removal: Use a can of compressed air to blow away dust and debris from between the keys. Hold the can upright to prevent propellant discharge.
- Surface Cleaning: Gently wipe the keycaps and keyboard surface with a soft, lint-free cloth lightly dampened with water or a mild, non-abrasive cleaning solution. Avoid excessive moisture.
- Disinfecting: For disinfection, use an alcohol-based wipe (70% isopropyl alcohol) and gently wipe the surfaces. Do not spray liquid directly onto the keyboard.
General Care:
- Avoid spilling liquids on the keyboard. In case of a spill, immediately disconnect the keyboard from the computer and allow it to dry completely before reconnecting.
- Do not expose the keyboard to extreme temperatures or direct sunlight for prolonged periods.
- Handle the USB cable carefully to prevent damage to the connector or cable insulation.
Troubleshooting
If you encounter issues with your A4tech KR-92 keyboard, try the following troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Keyboard not responding | Loose USB connection, faulty USB port, driver issue. |
|
| Keys are not typing correctly or are sticky | Debris under keys, liquid damage, key mechanism failure. |
|
| Numeric keypad not working | Num Lock is off. |
|
If these steps do not resolve the issue, please contact A4tech customer support for further assistance.
Specifications
| Feature | Detail |
|---|---|
| Brand | A4tech |
| Model Name | KR-92 |
| Part Number (P/N) | 4711421933780 |
| Connectivity | Wired USB |
| Keyboard Layout | English QWERTY, Full-size with Numeric Keypad |
| Color | Black |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Input Voltage | 5V (via USB) |
| Dimensions (Approx.) | Standard full-size keyboard dimensions (exact dimensions not provided or are erroneous in source data) |
| Weight (Approx.) | 1.5 pounds (0.68 kg) |
Note: Specifications are subject to change without prior notice.
Warranty Information
A4tech products are manufactured to the highest quality standards. This product comes with a limited warranty against defects in materials and workmanship.
Warranty Period:
Please refer to the warranty card included with your product or visit the official A4tech website for specific warranty duration applicable to your region.
Warranty Exclusions:
The warranty does not cover damage resulting from:
- Accident, abuse, misuse, or neglect.
- Unauthorized repair or modification.
- Improper installation or operation not in accordance with this manual.
- Normal wear and tear.
Keep your purchase receipt as proof of purchase for warranty claims.
Customer Support
For technical support, warranty claims, or general inquiries, please contact A4tech customer service through the following channels:
- Website: Visit the official A4tech website for support resources, FAQs, and contact forms. (e.g., www.a4tech.com/support)
- Email: Refer to the A4tech website for regional email support addresses.
- Phone: Refer to the A4tech website for regional phone support numbers.
When contacting support, please have your product model (KR-92) and part number (4711421933780) ready.
