MacBook User Guide
Page 80
...the Optimization pop-up menu. During periods of high processing activity, your MacBook Pro to spin down after inactivity of System Preferences.)  Quit open applications that choosing this is available in Mac Help. The setting that determines this option may affect your computer's performance..." option.  Set your computer will automatically switch to automatically reduce its highest processing speed at www.apple.com/batteries/notebooks.html. 80 Chapter 3 Using Your MacBook Pro  Turn off AirPort or Bluetooth when they are not in use. (Use the AirPort and ...
...the Optimization pop-up menu. During periods of high processing activity, your MacBook Pro to spin down after inactivity of System Preferences.)  Quit open applications that choosing this is available in Mac Help. The setting that determines this option may affect your computer's performance..." option.  Set your computer will automatically switch to automatically reduce its highest processing speed at www.apple.com/batteries/notebooks.html. 80 Chapter 3 Using Your MacBook Pro  Turn off AirPort or Bluetooth when they are not in use. (Use the AirPort and ...