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Chapter 2 The Basics 25
Using the Keyboard
Your PowerBook keyboard has a numeric keypad incorporated in the standard
keyboard keys. Keys used for the numeric keypad have a smaller secondary label.
To use the numeric keypad, press the Num Lock key. The Num Lock key glows green,
indicating that the keypad is active. When you’re finished, press the Num Lock key
again to turn it off.
Important: If your keyboard doesn’t seem to be working correctly, check the Num Lock
key. When the numeric keypad is active, other keys and keyboard equivalents for menu
commands (such as x-Q to quit) are deactivated.
Your PowerBook is equipped with an illuminated keyboard and an ambient light-
sensing (ALS) system. The ALS sensors are located under the speaker grilles and will
automatically adjust the brightness of your display and keyboard illumination
according to the light available in your current environment. You can also adjust the
keyboard illumination using the F8, F9, and F10 keys.
Important: Even when the keyboard illumination feature is on, the keyboard
illuminates only in low-light situations.
You can turn off the keyboard illumination feature in the Keyboard & Mouse pane of
System Preferences or by pressing the F8 key.
Note: Exposé is preset to use the F9 and F10 keys, the same keys that adjust your
keyboard illumination. To use Exposé to manage your desktop windows, hold down the
Fn key and press F9 or F10, or open the Exposé pane in System Preferences and choose
different function keys to manage windows.
Num Lock key
®
Numeric keypad
LL3092.book Page 25 Friday, February 4, 2005 6:02 PM