Logitech Wireless Touch K400r Compact Keyboard with Touchpad User Manual

1. Introduction

This manual provides instructions for the Logitech Wireless Touch K400r Compact Keyboard with Touchpad. This device is designed to provide convenient wireless control for your computer, featuring an integrated multitouch touchpad for navigation. It offers a plug-and-play experience for immediate use.

Image 1.1: Top view of the Logitech K400r Wireless Touch Keyboard, showcasing the full keyboard layout and the integrated touchpad on the right side.

2. Setup

2.1 What's in the Box

Verify that all components are present:

• Logitech Wireless Touch K400r Keyboard
• Logitech Unifying USB Receiver
• USB Extender (optional, for improved signal range)
• 2 AA Batteries (pre-installed or included)

Image 2.1: The Logitech K400r keyboard shown alongside its compact USB receiver and an optional USB extender cable.

2.2 Battery Installation and USB Receiver Retrieval

The keyboard requires two AA batteries for operation. The USB receiver is typically stored within the battery compartment for convenience during transport.

1. Locate the battery compartment cover on the underside of the keyboard.
2. Slide the cover open.
3. If the USB receiver is stored inside, carefully remove it.
4. Insert the two AA batteries, ensuring correct polarity (+/-).
5. Close the battery compartment cover securely.

Image 2.2: The bottom of the Logitech K400r keyboard, highlighting the battery compartment and the dedicated slot for storing the USB receiver.

2.3 Connecting the USB Receiver

To establish a wireless connection between the keyboard and your computer:

1. Plug the Logitech Unifying USB receiver into an available USB port on your computer.
2. For optimal signal, especially if the computer is far or obstructed, use the provided USB extender cable.
3. Turn on the keyboard using the power switch, usually located on the top right edge of the keyboard.
4. Your computer should automatically detect and install the necessary drivers. This process may take a few moments.

Note:

• For some systems, particularly older Windows XP installations, you may need to visit the Logitech support website to download and install the Logitech Unifying Software for full functionality or if the keyboard does not connect automatically.
• Ensure the keyboard is within range of the USB receiver (typically up to 10 meters or 33 feet).

3. Operating Instructions

3.1 Keyboard Functions

The K400r features a standard QWERTY keyboard layout with additional function keys and media controls.

• Standard Keys: Type as you would on any conventional keyboard.
• Function Keys (F1-F12): These keys may have secondary functions (e.g., media control, volume, home) accessible by pressing the Fn key simultaneously. Refer to the key legends for specific functions.
• Media Controls: Dedicated keys for volume up, volume down, mute, and play/pause are located above the function keys.

3.2 Touchpad Usage

The integrated 3.5-inch multitouch touchpad allows for intuitive navigation without a separate mouse.

• Single Finger Tap: Functions as a left-click.
• Two Finger Tap: Functions as a right-click.
• Single Finger Drag: Moves the cursor.
• Two Finger Scroll: Drag two fingers up or down to scroll vertically. Drag two fingers left or right to scroll horizontally.
• Pinch Zoom: Pinch two fingers together or spread them apart to zoom in or out (application dependent).
• Three Finger Swipe Up: Shows all open windows (Windows 7/8).
• Three Finger Swipe Down: Shows the desktop (Windows 7/8).

Note:

• Touchpad gestures may vary slightly depending on your operating system and installed drivers.
• For advanced customization of touchpad settings, refer to your operating system's mouse or touchpad settings.

4. Maintenance

4.1 Cleaning the Keyboard and Touchpad

To maintain optimal performance and appearance:

• Use a soft, lint-free cloth slightly dampened with water or a mild cleaning solution.
• Avoid harsh chemicals, abrasive cleaners, or solvents.
• Do not immerse the keyboard in liquid.
• For dust and debris between keys, use compressed air.

4.2 Battery Replacement

When the keyboard's performance degrades or the battery indicator light (if present) signals low power, replace the batteries:

1. Turn off the keyboard using the power switch.
2. Open the battery compartment on the underside.
3. Remove the old AA batteries.
4. Insert two new AA batteries, observing correct polarity.
5. Close the compartment and turn the keyboard back on.

Important:

• Dispose of used batteries according to local regulations.

5. Troubleshooting

If these steps do not resolve the issue, please refer to the Support section for further assistance.

6. Specifications

7. Warranty Information

Logitech products typically come with a limited hardware warranty. The specific duration and terms of the warranty may vary based on region and product type. For detailed warranty information, including coverage and limitations, please refer to the official Logitech website or the warranty card included with your product.

Please retain your proof of purchase for warranty claims.

8. Customer Support

For technical assistance, driver downloads, FAQs, or to contact customer service, please visit the official Logitech support website:

support.logi.com

When contacting support, please have your product model (K400r) and serial number available.