1. Introduction
The Logitech MK520 Wireless Keyboard and Mouse Combo is designed to provide a comfortable and efficient computing experience. This combo includes a full-size wireless keyboard (K520) and an ambidextrous wireless mouse (M310), both connecting via a single Logitech Unifying receiver. It is suitable for various computing tasks in both home and office environments, offering reliable wireless connectivity and extended battery life.
2. Package Contents
Ensure all items are present in the package:
- Logitech K520 Wireless Keyboard
- Logitech M310 Wireless Mouse
- Logitech Unifying Receiver
- 3 AA Alkaline Batteries (pre-installed)
- User Documentation
3. Setup Guide
3.1. System Requirements
- Operating System: Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10, Chrome OS
- Available USB port
- Internet connection (for optional software download)
3.2. Initial Setup
- Insert Batteries: The keyboard and mouse come with pre-installed batteries. If replacing, ensure correct polarity. The keyboard uses 2 AA batteries, and the mouse uses 1 AA battery.
- Connect the Unifying Receiver: Locate the small Logitech Unifying receiver. Plug this receiver into an available USB port on your computer.
- Power On: Turn on the keyboard and mouse using their respective On/Off switches. The devices should automatically connect to the receiver.
- Test Functionality: Verify that both the keyboard and mouse are responsive. If not, refer to the Troubleshooting section.
No additional drivers are typically required for basic functionality. For advanced customization, you may download Logitech SetPoint software from the official Logitech website.
4. Product Features
- Full-Size Keyboard: Features a comfortable palm rest and concave keys with softly rounded edges for quiet and comfortable typing.
- Precision Mouse: A contoured full-size mouse with soft rubber side grips provides smooth and accurate cursor control. Designed for use in either hand.
- Extended Battery Life: The keyboard offers up to 3 years of battery life, and the mouse up to 18 months, minimizing the need for frequent battery changes.
- Logitech Unifying Receiver: A single, tiny USB receiver connects both the keyboard and mouse, and can also connect other compatible Logitech devices, freeing up USB ports.
- Secure Wireless Connection: Utilizes Logitech Advanced 2.4 GHz wireless technology with 128-bit AES encryption for a powerful, reliable, and secure connection with virtually no delays or dropouts.
- One-Touch Media Keys: Dedicated keys allow instant control over volume, mute, and track skipping without needing to use the mouse.
5. Operation
5.1. Keyboard Usage
The K520 keyboard provides a standard QWERTY layout with a full numeric keypad and function keys (F1-F12). It also includes a set of media control keys located above the function keys for quick access to audio and video playback functions.
- Media Controls: Use the dedicated buttons for Play/Pause, Stop, Previous Track, Next Track, Volume Up, Volume Down, and Mute.
- Application Launch Keys: Access common applications like email and web browser directly from the keyboard.
- Caps Lock and Num Lock Indicators: The keyboard features on-screen notifications for Caps Lock and Num Lock status, and the Caps Lock key also has a green indicator light.
5.2. Mouse Usage
The M310 mouse is a standard 3-button optical mouse with a scroll wheel. Its contoured design and soft rubber grips ensure comfortable use for extended periods.
- Left and Right Click: Standard mouse button functions.
- Scroll Wheel: Used for vertical scrolling in documents and web pages. The scroll wheel can also function as a middle click button.
- Optical Tracking: Provides smooth and accurate cursor control on most surfaces. Note that the invisible optical sensor may not work on glass or mirrored surfaces.
6. Maintenance
6.1. Battery Replacement
The keyboard and mouse are designed for long battery life. When batteries need replacement:
- Keyboard: Replace with 2 AA alkaline batteries.
- Mouse: Replace with 1 AA alkaline battery.
Battery life may vary based on user and computing conditions. Ensure the devices are switched off when not in use to conserve battery power.
6.2. Cleaning
To clean your keyboard and mouse:
- Use a soft, lint-free cloth slightly dampened with water or a mild cleaning solution.
- Avoid using harsh chemicals, abrasive cleaners, or solvents.
- Do not immerse the devices in water.
7. Troubleshooting
7.1. No Connection / Unresponsive Devices
- Check Batteries: Ensure batteries are correctly inserted and have sufficient charge. Replace if necessary.
- Power On: Make sure the On/Off switch on both the keyboard and mouse is in the 'On' position.
- Receiver Connection: Ensure the Logitech Unifying receiver is securely plugged into a working USB port on your computer. Try a different USB port.
- Distance: Ensure the keyboard and mouse are within the effective range of the receiver (typically up to 10 meters or 33 feet).
- Interference: Move other electrical devices that might cause interference (e.g., cordless phones, Wi-Fi routers) away from the receiver.
- Re-pair Devices: If issues persist, you may need to re-pair the devices using the Logitech Unifying software (available for download from Logitech's website).
7.2. Mouse Cursor Jumps or is Erratic
- Surface: Ensure you are using the mouse on a suitable surface. Optical mice may not track well on highly reflective, transparent (glass), or uneven surfaces.
- Clean Sensor: Check if the optical sensor on the bottom of the mouse is clean and free from debris.
8. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 7.9 x 2.7 x 18.3 inches |
| Item Weight | 2.2 pounds |
| Model Number | 920-002553 |
| Batteries | 1 Lithium Polymer batteries required (Note: Product description states 3 AA alkaline batteries are pre-installed for keyboard and mouse, which is the operational requirement). |
| Connectivity Technology | Wireless (2.4 GHz) |
| Encryption | 128-bit AES |
| Compatible Devices | PC |
| Keyboard Description | Full-sized keyboard with additional features and adjustable ergonomics |
9. Warranty and Support
For detailed warranty information and further technical support, please refer to the official user documentation included with your product or visit the Logitech support website.
An electronic version of the user manual is available for download:
10. Product Images
Figure 1: Top view of the Logitech MK520 Wireless Keyboard and Mouse Combo, showing the full keyboard layout, media keys, and the accompanying M310 mouse with the Unifying receiver.
Figure 2: Angled view of the Logitech MK520 Wireless Keyboard and Mouse Combo, highlighting the slim profile of the keyboard and the ergonomic design of the mouse.
Figure 3: Image illustrating the dimensions of the Logitech MK520 Wireless Keyboard, showing its length of 451mm and height of 192mm, along with a weight of 762g.
Figure 4: Front view of the Logitech MK520 Wireless Keyboard and Mouse Combo, displaying the full keyboard and the M310 mouse with the Unifying receiver in the foreground.
Figure 5: Side angled view of the Logitech MK520 Wireless Keyboard and Mouse Combo, emphasizing the ergonomic curve of the keyboard and the compact design of the mouse.
Figure 6: Close-up angled view of the Logitech MK520 Wireless Keyboard, showcasing the concave key design and the integrated palm rest for comfortable typing.
Figure 7: Side profile of the Logitech MK520 Wireless Keyboard, illustrating its thin design and the slight incline for ergonomic typing.
Figure 8: Image showing hands positioned on the Logitech MK520 Wireless Keyboard, demonstrating the natural typing posture facilitated by its design and palm rest.
