Function keys F1 through F6 are used as control buttons for the display and sound; function keys F7 through F12 are open for the user to define. The operations of the function keys are controlled by the Function keys checkbox and the Fn key. Table 3-6 is a list of the function keys and their operations as control buttons. The Keyboard Control Panel allows the user to assign operations to function keys F7 through F12. Operations that can be assigned include