Apple BookG4 Computer - Manual (Page 19)

Getting to Know Your Computer 19
¤ Brightness controls
Increase or decrease the brightness of your PowerBook display.
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Volume controls
Increase or decrease the volume of the sound coming from the built-in speakers and sound
output port.
Keyboard lock
Protect the internal components of your PowerBook by preventing the keyboard from
being easily opened.
Num Lock key
Activate the numeric keypad embedded in the PowerBook keyboard. When the numeric
keypad is locked, the keyboard lock glows green.
Media Eject key
Press and hold this key to eject a CD or DVD disc. You can also eject a disk by dragging its
icon to the Trash.
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Power button
Turn your PowerBook on and off or put it to sleep.
Slot-loading optical drive (DVD-ROM or optional CD-RW)
If you purchased your PowerBook with a DVD-ROM drive, it can read CD-ROM discs, Photo
CDs, standard audio discs, DVD discs, DVD movies, and other kinds of media. If you
purchased the optional CD-RW drive, it can read CDs and also write music, documents, and
other digital files on CD-R and CD-RW discs.
Function (Fn) key
Press and hold this key to activate the function keys (F1–F12).
Keyboard release tabs
When you need to access the internal memory slots, pull these tabs down to release the
PowerBook keyboard.
Microphone
Record sounds directly on your PowerBook hard disk with this built-in microphone
(located under the speaker cover). You can also connect an external microphone to one of
the USB ports or use a professional microphone that connects to a PC Card.
Ç Security slot
Protect your PowerBook by connecting a security cable.
Sleep light indicator
A white light pulsates when the PowerBook is in sleep.
Trackpad
Move the pointer on the PowerBook display. With the Trackpad control panel, you can set
the trackpad to double-click and select items directly instead of using the trackpad button.