Apple PowerBook User Manual

Page 13

Sleep indicator

Blinking green light indicates when the PowerBook is in sleep.

Power button

Turns your PowerBook on and off.

Microphone

Record sounds directly to your PowerBook hard disk with this built-in microphone.

Brightness controls

Increase or decrease the brightness of your PowerBook display.

Volume controls

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

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Mute control

Turns the sound off and on from the PowerBook built-in speakers and sound output port.

Num Lock key

Activates the numeric keypad embedded in the PowerBook keyboard.

Function (Fn) key

Hold down this key to activate the function keys (F1–F12).

Trackpad

Move the pointer on the PowerBook display. Using the Trackpad control panel you can set
the trackpad to double-click and select items directly instead of using the button.

Keyboard release tabs

When you need to install memory or remove the hard disk, pull these tabs down to release
the PowerBook keyboard. (Detailed instructions for memory installation and hard disk
removal can be found in the Help Center.)

Expansion bay with a CD-ROM or DVD-ROM drive module inserted

Dual-function expansion bay that accepts removable modules or a PowerBook battery. Use
the CD-ROM or DVD-ROM drive to install and run programs, play music CDs, and reinstall
system software. PowerBook computers equipped with DVD-Video capabilities can use a
DVD-ROM drive to play DVD-Video discs.

Security slot

Protect your PowerBook by connecting a security cable.