If you havent' already, downloaded the logitech control centre for OSX for your logitech mouse. Then inside the logitech icon under system preferences, you can assign functions to the mouse's extra function keys.
If you havent' already, downloaded the logitech control centre for OSX for your logitech mouse. Then inside the logitech icon under system preferences, you can assign functions to the mouse's extra function keys.
I.e Expose, show desktop etc