Function (Fn) key

Press and hold this key to activate customized actions assigned to the function keys (F1 to F12). To learn how to customize function keys, choose Help > Mac Help from the menu bar and search for “function keys.”

Brightness controls

Increase ( ) or decrease () the brightness of your MacBook display.

Mute control

Mute the volume of the sound coming from the built-in speakers and headphone port.

-Volume controls

Increase (-) or decrease () the volume of the sound coming from the built-in speakers and headphone port.

Num Lock key

Activate the numeric keypad integrated into the MacBook keyboard. When the numeric keypad is activated, a green light glows on the Num Lock key.

iVideo Mode Toggle key

Switch between dual-display mode (extending your desktop across the built-in display and an external display) and video-mirroring mode (presenting the same information on both displays).

F11, F12

C

By default, F11 opens Exposé and F12 opens Dashboard.

Media Eject key

Press and hold this key to eject a disc. You can also eject a disc by dragging its desktop icon to the Trash.

Chapter 1 Getting Started

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Apple APLLE MACBOOK manual Function Fn key, Brightness controls, Mute control, Volume controls, Num Lock key, F11, F12