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50 Chapter 3 Using Your Computer
To further save battery power, select the following options in the Energy Saver
pane of System Preferences:
• Set your computer to modify its processor speed based upon the required amount of
processing activity. You can set your PowerBook to automatically reduce its
processing speed during periods of light processing activity, thus reducing power
usage. During periods of high processing activity, your computer will automatically
switch to a higher processing speed. In the Energy Saver pane of System Preferences,
click Show Details to see the settings. Choose Battery Power from the “Settings for”
pop-up menu, click Options, and choose Automatic from the Processor Performance
pop-up menu. (To set your computer to use its highest processing speed at all times,
choose Highest from the Processor Performance pop-up menu.)
• To conserve battery life the longest, choose Longest Battery Life from the Optimize
Energy Settings pop-up menu.
For More Information on Your PowerBook Battery
Additional information is available in Mac OS Help. Choose Help > Mac Help from the
menu bar and search for “battery.”
Security Slot
You can purchase a security cable lock to protect your PowerBook. With a lock, you can
secure your computer to a desk or table.
®
Sample locking device
with security cable
Security slot
LL2507.book Page 50 Thursday, March 11, 2004 5:16 PM