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Special Features 25
Using the built-in microphone
Your Macintosh comes with a built-in microphone to record live
sounds. The microphone is highly sensitive. Once you’ve turned it
on (which you do with a sound-recording program), it can pick up
sounds within a range of several feet. See your Macintosh User’s
Guide for information on recording sound.
s Warning: Do not stick any small objects into the built-in
microphone. Doing so may damage your equipment.
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Installing an expansion card
The Macintosh comes with a slot inside called a processor-direct
slot in which you can install a processor-direct expansion card for
special purposes. Some expansion cards are designed so that you
can install them yourself. Others can be installed only by an Apple-
certified technician. To install a card, use the documentation
supplied with the card you plan to install, or follow the
instructions in this section.
s Warning: To avoid damaging your computer and expansion
card, do not attempt to install any expansion card without
first checking the documentation for that card. If the
documentation specifies that an Apple-certified technician
must install the card (usually because the installation
requires special training or tools), consult the service and
support information that came with your computer for
instructions on how to contact an Apple-authorized service
provider or Apple for service. If you attempt to install the card
yourself, any damage you cause to your computer will not be
covered by the limited warranty on your computer. If the card
is not an Apple-labeled product, then check with an Apple-
authorized dealer or service provider to see if you can install
it yourself.
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Built-in
microphone