You can use the Logitech G-series Key Profiler to customize your macro keys.

Note: If you do not have the software for your G15 keyboard, you can download it on our G15 Downloads Page.

1. Open Logitech G-series Key Profiler (Start > Programs > Logitech > Logitech G-series Key Profiler).

2. Click on the M1 button and the G1 key.

   

3. Click on Assign Function in the drop down menu, then click on Calculator.

   

4. The G1 / M1 key combination is now programmed to display the windows calculator.

   

You can also program the G1 key to have different functions using the M2 and M3 buttons. Using a combination of the G-keys and the M buttons you can program up to 54 different macros, keystrokes or other functions on your G15 keyboard.