Introduction
The Logitech K400 Plus Wireless Touch TV Keyboard is designed to provide seamless control of your PC-to-TV entertainment. This all-in-one keyboard features an integrated touchpad, eliminating the need for a separate mouse and reducing clutter. Enjoy comfortable browsing, video watching, and social interaction from your couch with its reliable wireless connectivity.
Figure 1: Logitech K400 Plus Wireless Touch TV Keyboard
What's in the Box
- Wireless Touch Keyboard
- USB range extender
- Unifying receiver
- User documentation
- 2 AA batteries (pre-installed)
Setup
Setting up your Logitech K400 Plus keyboard is a straightforward plug-and-play process. No software installation is typically required for basic functionality.
1. Battery Installation
The keyboard comes with two AA batteries pre-installed. To ensure proper connection, verify the batteries are correctly seated in their compartment. The battery compartment is located on the underside of the keyboard.
Figure 2: Keyboard highlighting its 18-month battery life.
2. Connecting the Unifying Receiver
Locate the tiny Unifying receiver. It is usually found inside the battery compartment or within the product packaging. Plug this receiver into an available USB port on your PC, Smart TV, or other compatible device. The keyboard should automatically connect.
Figure 3: The Logitech Unifying Receiver, enabling connection of up to six compatible devices.
3. Powering On
Turn on the keyboard using the on/off switch, typically located on the side or back of the device. An indicator light may illuminate briefly to confirm it's powered on.
Figure 4: Demonstrating the plug-and-play simplicity for family entertainment.
Operating
The K400 Plus is designed for intuitive control of your media and PC functions from a distance.
1. Wireless Range
The keyboard offers a wireless range of up to 10 meters (33 feet), allowing you to control your PC-connected TV from across the room. Ensure there are no major obstructions between the keyboard and the Unifying receiver for optimal performance.
Figure 5: Illustration of the keyboard's 10-meter (33-foot) strong wireless range.
2. Integrated Touchpad
The large 3.5-inch touchpad provides precise cursor control. It supports multi-touch gestures for easy navigation, similar to a laptop touchpad.
Figure 6: Detail of the integrated touchpad, showing point and scroll functions.
3. Media Controls and Hot Keys
Dedicated media control buttons are located above the touchpad for quick access to volume adjustment (mute, volume down, volume up) and media playback (play/pause, previous, next). The function keys (F1-F12) also offer additional shortcuts for common tasks.
Figure 7: Labeled diagram of the keyboard's key features for easy control.
4. Keyboard Layout
The keyboard features a standard QWERTY layout with comfortable, quiet keys. It includes essential keys for PC navigation, such as Windows key, Alt, Ctrl, Shift, and arrow keys. The compact design makes it easy to hold and use in a relaxed setting.
Figure 8: User demonstrating effortless PC-to-TV navigation with the keyboard.
Maintenance
To ensure the longevity and optimal performance of your Logitech K400 Plus keyboard, follow these simple maintenance guidelines:
- Battery Life: The keyboard boasts an impressive battery life of up to 18 months. To conserve battery, remember to use the on/off switch when the keyboard is not in use for extended periods.
- Cleaning: Use a soft, dry cloth to clean the keyboard and touchpad. For stubborn dirt, a slightly damp cloth can be used, but ensure no moisture enters the internal components.
- Spill Resistance: The keyboard features a spill-resistant design. In case of accidental spills, quickly wipe off the liquid. While designed to withstand minor spills, it is not waterproof.
- Storage: Store the keyboard in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
Troubleshooting
If you encounter issues with your Logitech K400 Plus keyboard, try the following troubleshooting steps:
- No Connection/Lag:
- Ensure the Unifying receiver is securely plugged into a USB port on your device.
- Verify the keyboard is powered on.
- Check the battery level. Replace batteries if low.
- Move the keyboard closer to the Unifying receiver. Large metal objects or other wireless devices can interfere with the signal.
- Try plugging the Unifying receiver into a different USB port.
- Touchpad Issues (Inaccurate/Overly Sensitive):
- Ensure the touchpad surface is clean and dry. Oils or moisture on fingers can affect performance.
- Restart your connected device (PC/TV).
- If using Logitech Options Software, check and adjust touchpad settings for sensitivity and gestures.
- Missing USB Receiver:
- The USB receiver is typically stored inside the battery compartment of the keyboard or in the product packaging. Carefully check these locations.
- Compatibility Issues:
- Ensure your operating system is compatible (Windows 7, 8, 10 and later, Android 7 or later, Chrome OS).
- For advanced customization, download the Logitech Options Software from the official Logitech website.
Specifications
| Feature | Detail |
|---|---|
| Wireless Type | 2.4 GHz Radio Frequency |
| Brand | Logitech |
| Series | K400 Plus |
| Item Model Number | 920-007119 |
| Hardware Platform | PC, Television |
| Operating System | Windows 10, 11 or later, Chrome OS, Android 7 or later, Smart TV |
| Item Weight | 13.8 ounces |
| Product Dimensions (LxWxH) | 13.95 x 5.5 x 0.93 inches |
| Color | Black |
| Battery Type | 18 months (2 AA batteries included) |
| Power Source | Battery Powered |
| Special Feature | Built-in touchpad, Customizable controls, Media-friendly design, Wireless freedom |
Figure 9: Physical dimensions and weight of the keyboard.
Warranty and Support
For detailed warranty information and further support, please refer to the official user manual PDF provided by Logitech. This document contains comprehensive details regarding product guarantees, technical assistance, and contact information.
You can access the User Manual (PDF) here.
