Logitech MK850 Performance Wireless Keyboard and Mouse Combo User Manual

Introduction

This manual provides instructions for the setup, operation, maintenance, and troubleshooting of your Logitech MK850 Performance Wireless Keyboard and Mouse Combo. This combo offers versatile connectivity and an ergonomic design for enhanced productivity across multiple devices.

Setup

1. Battery Installation

The Logitech MK850 keyboard requires 2 AAA batteries, and the mouse requires 1 AA battery. Ensure correct polarity when inserting batteries.

• Keyboard: Locate the battery compartment on the underside of the keyboard. Open the cover, insert two AAA batteries, and close the cover.
• Mouse: Locate the battery compartment on the underside of the mouse. Open the cover, insert one AA battery, and close the cover.

2. Connecting Your Devices

The MK850 combo supports dual connectivity via the included USB Unifying Receiver (2.4 GHz RF) or Bluetooth Smart technology. You can connect up to three devices simultaneously and switch between them.

A. Using the USB Unifying Receiver (2.4 GHz RF)

1. Locate the USB Unifying Receiver, typically stored inside the mouse battery compartment.
2. Plug the USB Unifying Receiver into an available USB port on your computer.
3. The keyboard and mouse should automatically connect. If not, press and hold one of the Easy-Switch keys (1, 2, or 3) on the keyboard or the Easy-Switch button on the mouse for 3 seconds until the LED blinks rapidly, then release. The device will attempt to pair.

B. Using Bluetooth Smart Technology

1. Ensure Bluetooth is enabled on your device (computer, tablet, or smartphone).
2. On the keyboard, press and hold one of the Easy-Switch keys (1, 2, or 3) for 3 seconds until the LED above the key blinks rapidly. This indicates the keyboard is in pairing mode.
3. On the mouse, press the Easy-Switch button on the underside to select an available channel (1, 2, or 3). Press and hold the button for 3 seconds until the LED blinks rapidly.
4. On your device, go to Bluetooth settings and select "Logitech MK850 Keyboard" or "Logitech MK850 Mouse" from the list of available devices to complete the pairing process. Follow any on-screen prompts.

Image: The Logitech MK850 keyboard and mouse combo in use on a wooden desk. A user's hands are positioned on the ergonomic keyboard with its integrated palm rest, and the mouse is to the right. A computer monitor is visible in the background, displaying text related to the product's features like 'Type in comfort' and 'Switch between computers and mobile devices'.

Operating Instructions

1. Keyboard Features

• Ergonomic Design: The full-size keyboard includes a numpad, well-scooped keys, and an integrated palm rest for comfortable typing.
• Adjustable Tilt Legs: Two sets of tilt legs allow you to adjust the keyboard angle for personalized comfort.
• Easy-Switch Keys (1, 2, 3): Located above the function keys, these allow instant switching between up to three connected devices. Press the desired key to switch.
• Function Keys (F1-F12): These keys perform various shortcuts. Some may require the Logitech Options software for customization.

2. Mouse Features

• Precision Tracking: The optical sensor provides accurate cursor control.
• Hyper-Fast Scroll Wheel: Toggle between hyper-fast scrolling for long documents and click-to-click scrolling for precise navigation.
• Programmable Buttons: The mouse features customizable buttons that can be assigned specific functions using the Logitech Options software.
• Easy-Switch Button: Located on the underside, this button allows you to switch between up to three connected devices.

3. Logitech Options Software

For advanced customization of your keyboard and mouse, including button assignments, gesture controls, and application-specific settings, download and install the Logitech Options software from the official Logitech website. This software enhances the functionality of the Easy-Switch feature and allows for button customization.

Maintenance

1. Cleaning

To maintain optimal performance and appearance, clean your devices regularly.

• Use a soft, lint-free cloth slightly dampened with water or a mild cleaning solution.
• Avoid using harsh chemicals, abrasive cleaners, or solvents.
• For the keyboard, you may use compressed air to remove debris from under the keys.

2. Battery Replacement

Replace batteries when the low battery indicator light illuminates or when performance degrades. Refer to the "Battery Installation" section under Setup for instructions.

Troubleshooting

1. Device Not Connecting

• Check Batteries: Ensure batteries are correctly installed and have sufficient charge. Replace if necessary.
• Power On: Verify that the keyboard and mouse are powered on.
• Receiver Connection: If using the Unifying Receiver, ensure it is securely plugged into a working USB port. Try a different USB port.
• Bluetooth Pairing: For Bluetooth connections, ensure Bluetooth is enabled on your device and re-attempt the pairing process as described in the Setup section.
• Distance: Ensure the devices are within the operating range (up to 10 meters) of your computer.
• Interference: Move other wireless devices or sources of interference (e.g., Wi-Fi routers, cordless phones) away from your setup.

2. Input Lag or Unresponsive Devices

• Battery Level: Low batteries can cause performance issues. Replace them.
• Interference: Wireless interference can affect performance. Try to minimize sources of interference.
• Surface (Mouse): Ensure the mouse is used on a suitable surface. Avoid highly reflective or transparent surfaces.
• Re-pair: Try re-pairing the devices with your computer.

Specifications

Warranty and Support

For detailed warranty information and technical support, please visit the official Logitech support website. You can find FAQs, driver downloads, and contact information for customer service there.

Logitech Support Website: https://support.logi.com