Your Unifying USB receiver can be connected to up to six Unifying devices. You can determine if your Logitech devices are Unifying by this logo:

To connect additional Unifying devices to your Unifying USB receiver:

1. Launch the Logitech Unifying software.

   NOTE: If you don't already have it installed, you can download SetPoint from the M515 Downloads Page, which contains the Unifying software.

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

   • Macintosh: Application / Utilities / Logitech Unifying Software

2. At the bottom of the Welcome window, click Next.

   

   NOTE: These instructions use Windows screenshots. Macintosh will look slightly different, but the instructions are the same.

3. When you see the "Restart the device…" screen (shown below), follow the on-screen instructions to turn your device off and then back on.

   

4. When your device is detected, you'll see a "We have detected your…" confirmation screen. If you connected a:

   • Keyboard: Type a test message in the field provided to make sure it works.

   • Mouse: Move it around to see if the cursor moves with it.

   If your device connected successfully, click Yes and then Next.

   

   f your additional device doesn't work right away, wait a minute to see if it connects. If it doesn't, select No and then click Next to restart the pairing process from Step 1 above.

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