Logitech MK545 Advanced Wireless Keyboard and Mouse Combo User Manual

Introduction

The Mk545 advanced is an instantly familiar wireless keyboard and mouse Combo built for precision, comfort and reliability. The full size keyboard features a familiar key shape, size, and feeling – optimized for precision and noise reduction. The keyboard's textured palm rest and adjustable tilt legs keep you comfortable for long stretches. The advanced, full size mouse is designed to fit comfortably in either hand – and laser grade tracking and advanced controls keep you in command. Plug and play your keyboard and mouse with one tiny USB receiver with Logitech unifying technology. You'll get a reliable – and encrypted – wireless connection up to 10 meters away with virtually no delays or dropouts.

What's in the Box

• Keyboard
• Mouse
• USB Unifying Receiver
• 2 AAA batteries (for keyboard)
• 1 AA battery (for mouse)
• User Guide (this document)

Setup Guide

1. Insert Batteries

• Keyboard: The keyboard requires two AAA batteries. Locate the battery compartment on the underside of the keyboard, open it, and insert the batteries according to the polarity indicators.
• Mouse: The mouse requires one AA battery. Locate the battery compartment on the underside of the mouse, open it, and insert the battery according to the polarity indicators.

2. Connect the Unifying Receiver

Locate the small USB Unifying Receiver. Plug the receiver into an available USB port on your computer (desktop or laptop). The system should automatically detect the new hardware and install the necessary drivers.

3. Power On Devices

• Keyboard: Locate the On/Off switch on the top right side of the keyboard and slide it to the 'On' position.
• Mouse: Locate the On/Off switch on the underside of the mouse and slide it to the 'On' position.

4. Verify Connection

Once powered on, your keyboard and mouse should automatically connect to the Unifying Receiver. Test by typing on the keyboard and moving/clicking the mouse. If connection issues persist, refer to the Troubleshooting section.

Operating Instructions

Keyboard Features

The Logitech MK545 keyboard is designed for comfort and efficiency:

• Full-Size Layout: Provides a familiar typing experience with a complete set of keys, including a numeric keypad.
• Textured Palm Rest: Offers comfortable support for your wrists during extended typing sessions.
• Adjustable Tilt Legs: Located on the underside, these legs allow you to adjust the keyboard's angle for personalized ergonomic comfort.
• Media Controls: Dedicated keys for volume control, play/pause, and track skipping are located above the function keys (F1-F12).
• F-Key Shortcuts: Customizable F-keys provide quick access to frequently used functions.
• Battery Indicator: A small LED light indicates battery status.

Mouse Features

The advanced, full-size mouse is designed for comfortable use and precise control:

• Contoured Design: Shaped to fit comfortably in either hand.
• Laser-Grade Tracking: Provides smooth and accurate cursor control on various surfaces.
• Scroll Wheel: For easy navigation through documents and web pages.
• Side Buttons: Programmable for forward/back navigation or other custom functions.
• On/Off Switch: Helps conserve battery life when the mouse is not in use.

Logitech Unifying Technology

The single USB Unifying Receiver allows you to connect both the keyboard and mouse, and potentially other compatible Logitech devices, to your computer using just one USB port. This provides a reliable and encrypted wireless connection up to 10 meters (33 feet) away.

Maintenance

Cleaning

• Keyboard: Use a soft, lint-free cloth slightly dampened with water or a mild cleaning solution. Avoid excessive moisture. For dust and debris between keys, use compressed air.
• Mouse: Wipe the surface with a soft, damp cloth. Clean the optical sensor area on the underside with a dry cotton swab if tracking issues occur.

Battery Replacement

Replace batteries when the low battery indicator lights up or performance degrades. Refer to the Setup Guide for battery types and compartment locations.

Storage

When not in use for extended periods, turn off both the keyboard and mouse to conserve battery life. Store in a cool, dry place away from direct sunlight.

Troubleshooting

No Connection / Lagging Performance

• Check Batteries: Ensure batteries are correctly inserted and have sufficient charge. Replace if necessary.
• Check Receiver: Ensure the USB Unifying Receiver is securely plugged into a working USB port. Try a different USB port.
• Proximity: Ensure the keyboard and mouse are within 10 meters (33 feet) of the receiver.
• Interference: Move other wireless devices (e.g., Wi-Fi routers, cordless phones) away from the receiver to minimize interference.
• Re-pair Devices: If issues persist, you may need to re-pair the devices with the Unifying Receiver using Logitech's Unifying Software (available for download from Logitech's official website).

Keys Not Responding / Mouse Not Tracking

• Clean Devices: Dust or debris might be obstructing keys or the mouse sensor. Refer to the Maintenance section for cleaning instructions.
• Surface: Ensure the mouse is used on a suitable surface. Highly reflective or transparent surfaces may cause tracking issues.

Software Issues

• Update Drivers: Ensure your operating system and Logitech drivers are up to date.
• Logitech Options Software: For advanced customization and troubleshooting, download and install Logitech Options software from the official Logitech website.

Contact Support

If you continue to experience problems, visit the official Logitech support website or contact their customer service for further assistance.

Specifications

Warranty and Support

For warranty information and detailed support resources, please visit the official Logitech website. You can also find additional FAQs and troubleshooting tips there.

User Manual (PDF): Download PDF