Apple MacBook Pro (17-inch) - Manual (Page 33)

Chapter 2 Getting to Know Your MacBook Pro 33
Note: If you find that the pointer moves as you type because you accidentally brush
the trackpad, you can avoid this problem by selecting the “Ignore accidental trackpad
input” option in the Keyboard & Mouse pane of System Preferences.
Using the Keyboard
Your MacBook Pro keyboard has a numeric keypad integrated into the standard
keyboard keys. Keys used for the numeric keypad have a small secondary label.
To use the numeric keypad, press the Num Lock key. The Num Lock key glows when
the keypad is active. When you finish using the keypad, 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.
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ALS sensor
Num Lock key
ALS sensor
Numeric keypad