Kensington TB550 Wireless Trackball Mouse Instruction Manual

1. Introduction

This manual provides detailed instructions for the setup, operation, and maintenance of your Kensington TB550 Wireless Trackball Mouse. Please read this manual thoroughly before using the device to ensure optimal performance and longevity.

Front view of the Kensington TB550 Wireless Trackball Mouse.

2. Setup

2.1. Unboxing and Components

Verify that all components are present in the package:

• Pro Fit® Ergo TB550 Trackball Mouse
• USB-A Receiver
• USB-C (Male) to USB-A (Male) Charging Cable
• Quick Start Guide
• Compliance Sheet
• Warranty Card
• Welcome Card

2.2. Charging the Device

The TB550 Trackball Mouse features a rechargeable battery. Connect the included USB-C to USB-A charging cable to the mouse's USB-C port and a power source (e.g., computer USB port, USB wall adapter). A full charge provides up to 4 months of battery life.

The USB-C charging port located on the front of the trackball mouse.

2.3. Connectivity Options

The TB550 offers dual wireless connectivity:

• 2.4GHz Wireless: Insert the USB-A receiver into an available USB-A port on your computer. The mouse is plug-and-play for basic functionality.
• Bluetooth LE: Activate Bluetooth on your computer and put the mouse into pairing mode (refer to the Quick Start Guide for specific instructions). Select the TB550 from your computer's Bluetooth device list to connect.

The mouse can connect to up to three devices (one via 2.4GHz dongle, two via Bluetooth LE).

The USB-A receiver is stored in a compartment on the underside of the mouse.

2.4. KensingtonWorks Software Installation

For advanced customization, download and install the free KensingtonWorks software from the official Kensington website. This software allows you to:

• Assign various functions (including shortcuts) to the seven programmable buttons (left click, right click, middle click, backward, forward, left tilt, and right tilt).
• Adjust cursor and scrolling speed.

Note: ChromeOS users can utilize HID functions but cannot customize the device through KensingtonWorks. Windows ARM-based computers are currently not supported for KensingtonWorks software.

3. Operation

3.1. Basic Trackball Use

The trackball is thumb-operated. Use your thumb to roll the 34mm ball for cursor movement. The ergonomic design with a 45° tilt is intended to improve wrist and forearm alignment for comfort during extended use.

Proper hand placement on the ergonomic trackball mouse.

3.2. DPI Settings

Adjust cursor speed using the DPI button. Four DPI settings are available: 400, 800, 1200, and 1600. Select a lower DPI for precision tasks like editing, and a higher DPI for general browsing or word processing.

3.3. 4D Scroll Wheel

The scroll wheel supports both vertical and horizontal scrolling. Horizontal scrolling functionality depends on the application's support (e.g., Excel supports it by default). KensingtonWorks software allows customization of scroll wheel tilt actions.

3.4. Multi-Device Switching

Switch between connected devices using the dedicated device selection buttons on the mouse. This allows seamless transition between a computer connected via the 2.4GHz dongle and two devices connected via Bluetooth LE.

4. Maintenance

4.1. Cleaning the Trackball

Regular cleaning of the trackball and its housing is essential for smooth operation. The TB550 features a patented ball ejection system for easy removal.

1. Locate the trackball ejection button on the bottom of the mouse.
2. Press the button to release the trackball.
3. Clean the trackball and the inside of the trackball frame with a damp cloth or rubbing alcohol. Allow them to dry completely. Avoid harsh chemicals.
4. Gently push the ball back into the socket until it clicks into place.

4.2. Lubricating the Trackball (Optional)

If the trackball feels sticky after cleaning, you may lightly lubricate it. Apply a pea-sized amount of non-acidic lotion (such as Vaseline) to the palms of your hands. Roll the trackball across the lotion on your hands until it is evenly lubricated. Reinsert the ball into the mouse. Roll the ball around in the socket until it moves freely.

4.3. General Cleaning

Clean the exterior of the mouse and your work surface weekly to maintain a hygienic and productive workspace.

5. Troubleshooting

5.1. Cursor Movement Issues

• Difficulty moving cursor smoothly, dirty/discolored ball, unusual noise/clicking, stiff ball movement, or cursor drift: These are signs that the trackball or its housing may need cleaning or lubrication. Refer to Section 4.1 and 4.2.

5.2. Connectivity Problems

• Ensure the mouse is charged.
• For 2.4GHz connection, verify the USB-A receiver is securely inserted into a working USB port.
• For Bluetooth connection, ensure Bluetooth is enabled on your device and the mouse is in pairing mode. Re-pair if necessary.
• If using a MacBook without a USB-A port for the 2.4GHz receiver, a USB-A to USB-C adapter (not included) may be required.

5.3. KensingtonWorks Software Issues

• Button customization: If a specific button cannot be reassigned, ensure another button is assigned as the primary click button first.
• macOS compatibility: Backward and forward buttons may not work under macOS by default without specific software configuration.
• Windows ARM-based computers: KensingtonWorks software is not currently supported on these systems.
• ChromeOS: Only HID functions are available; customization via KensingtonWorks is not supported.

6. Specifications

7. Warranty and Support

For warranty information and technical support, please refer to the Warranty Card included in your product packaging or visit the official Kensington website. Additional resources and product support can be found at kensington.com/resources/product-support.