Your M570 Wireless Trackball comes with a Unifying USB receiver that can be connected to up to six Logitech devices that have the Unifying logo .

To connect an additional Logitech mouse or keyboard to your Unifying USB receiver:

NOTE: The following instructions use Windows screenshots. Macintosh screenshots will look slightly different, but the instructions and messages are the same.

1. Download the Logitech SetPoint Mouse and Keyboard Software from the M570 Downloads Page, if you don't already have it installed.

2. Launch the Logitech Unifying Software:

   • Windows: Start > Programs > Logitech > Unifying > Logitech Unifying Software:

   • Macintosh: Application / Utilities / Logitech Unifying Software

3. When the Welcome window displays, click Next.

   

4. Follow the on-screen instructions to turn the second device off and then back on when prompted in order for the software to detect it.

   

5. When your device is detected, you'll see a confirmation message. If your device works, select Yes to confirm and then click Next.

   

6. Click Finish to exit the Logitech Unifying Software. Your device should now be connected.

Additional information

If you're still having the same issue, see Knowledge Base article 18224 to contact Logitech Technical Support about this product.