Working with an external monitor
This section summarizes how your computer and external monitor behave
when you use them together.
Sleep
The PowerBook will not sleep when an external monitor is connected. If you
are using an external monitor, it’s a good idea to leave processor cycling
turned on. (You change processor cycling options in the PowerBook control
panel. See Chapter 6 for help.)
Backlight dimming
The dimming feature in the PowerBook control panel turns the screen
brightness down to a low level when you haven’t used the computer for a few
minutes. (You can think of dimming as “screen sleep.”)
Dimming also affects the external monitor. When you move your finger on
the trackpad or press a key on the keyboard, the brightness is restored on both
screens. See Chapter 6 for more information on backlight dimming.
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Chapter 9
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