Adesso WKB-3500UB Tru-Form 3500 2.4GHz Wireless Ergonomic Trackball Keyboard User Manual

1. Introduction

The Adesso WKB-3500UB Tru-Form 3500 is a 2.4GHz wireless ergonomic keyboard featuring an integrated trackball. This device is designed to provide a comfortable typing experience and efficient cursor control. Its split key layout and gently sloped design aim to promote a natural hand, wrist, and forearm position, reducing strain during extended use. The wireless connectivity offers flexibility, allowing operation up to 30 feet from your computer.

This image displays the full layout of the Adesso WKB-3500UB keyboard, showcasing its split ergonomic design and integrated trackball.

2. Package Contents

Verify that all items are present in the package:

• Adesso WKB-3500UB Wireless Ergonomic Trackball Keyboard
• 2.4GHz Wireless USB Receiver
• 2 AAA Batteries
• Quick Start Guide (QSG)

3. Setup Instructions

3.1. Battery Installation

1. Locate the battery compartment on the underside of the keyboard.
2. Open the battery compartment cover.
3. Insert the two AAA batteries, ensuring correct polarity (+/-).
4. Close the battery compartment cover securely.

3.2. Connecting the Wireless Receiver

1. Locate an available USB port on your computer.
2. Plug the 2.4GHz Wireless USB Receiver into the USB port.
3. The operating system will automatically detect and install the necessary drivers. This process may take a few moments.

A close-up of the compact USB receiver, which enables the wireless connection between the keyboard and a computer.

3.3. Powering On/Off

Locate the power switch on the underside of the keyboard. Slide the switch to the 'ON' position to activate the keyboard. Slide it to the 'OFF' position when not in use to conserve battery life. The keyboard also features an auto-sleep function to maximize battery life.

The image illustrates the wireless capability of the WKB-3500UB keyboard, emphasizing its 2.4GHz radio frequency connection.

4. Operating Instructions

4.1. General Keyboard Use

The WKB-3500UB features a standard 105-key US layout with a split ergonomic design. Position your hands naturally on the keyboard, utilizing the integrated palm rest for wrist support. The membrane key switches provide a quiet typing experience.

This image shows hands comfortably positioned on the keyboard's integrated palm rest, designed to support wrists during use.

4.2. Trackball Operation

The integrated trackball replaces a traditional mouse, allowing cursor control with minimal hand movement. Use your thumb or fingers to roll the trackball to move the cursor on the screen. The left and right mouse buttons are located adjacent to the trackball.

A detailed view of the red trackball, positioned centrally below the keyboard's split, indicating its function as a mouse replacement.

4.3. Hotkeys

The keyboard includes dedicated hotkeys for quick access to various functions:

• Multimedia Hotkeys (7 keys): Play/Pause, Previous Track, Next Track, Volume Up, Volume Down, Mute, Eject.
• Windows Hotkeys (13 keys): Home, Back, Forward, Refresh, Search, Favorites, Sleep, Wake Up, Power Off, Calculator, My Computer, Music, Email.

This image highlights the dedicated multimedia and Windows hotkeys located at the top of the keyboard for quick access to functions like volume control and web browsing.

5. Maintenance

5.1. Cleaning the Keyboard and Trackball

• Disconnect the keyboard from your computer before cleaning.
• Use a soft, damp cloth with mild soap and water to clean the surface of the keyboard. Avoid harsh chemicals.
• For the trackball, gently wipe the surface of the ball and the surrounding area to remove dust or debris that may affect tracking performance.

5.2. Battery Replacement

When the low battery indicator illuminates, replace the AAA batteries following the instructions in Section 3.1. Always use fresh batteries for optimal performance.

6. Troubleshooting

• Keyboard not responding:
  Ensure the keyboard is powered on and the wireless receiver is securely plugged into a USB port. Check battery levels and replace if necessary. Try plugging the receiver into a different USB port.
• Trackball not moving cursor:
  Ensure the keyboard is powered on. Clean the trackball and its housing for any obstructions. Check for low battery.
• Intermittent connection:
  Ensure the keyboard is within the 30-foot operating range of the receiver. Avoid placing the keyboard near large metal objects or other wireless devices that may cause interference.
• Keys not functioning correctly:
  Check for any physical obstructions under the keys. Restart your computer.

7. Specifications

8. Warranty and Support

For warranty information or technical support, please refer to the documentation included with your product or visit the official Adesso website. Keep your purchase receipt as proof of purchase for warranty claims.