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40 Chapter 3 Using Your Computer
For More Information on Using Ethernet
Additional information, including setting up an Ethernet network and transferring files
using Ethernet, is available in Mac OS Help. Choose Help > Mac Help from the menu
bar and search for “Ethernet” or “network.”
For information on networking products you can use with your PowerBook, check the
Macintosh Products Guide at www.apple.com/guide.
Using Your Modem
Your computer comes with an Apple 56K v.92 modem installed. To connect the
modem, plug one end of the phone cord or RJ-11 cable into the modem port on the
computer and the other end into a standard RJ-11 telephone wall jack.
Make sure you connect to an analog phone line—the kind used typically in homes. The
modem will not work with a digital phone line.
For information on how to establish an Internet connection, see Appendix C,
“Connecting to the Internet,” on page 73. More information about the internal modem
is also available in Mac OS Help.
Connecting Speakers and Audio Devices
Your PowerBook comes with two built-in speakers, a built-in microphone, an audio line
in port, and a headphone out port.
Note: While devices are plugged in, sound won’t come through your built-in speakers.
Unplug any headphones or speakers to hear the computer speakers.
You can connect external speakers, headphones, and other sound output devices to
the headphone out port. The headphone out port is a stereo 3.5 mini-phono jack.
You can record sound onto your hard disk using the built-in microphone located under
the left speaker grille. You can also connect external microphones or other audio
equipment to the audio line in port. The audio line in port is a stereo 3.5 mini-phono
jack, which does not provide power to a connected device, so you must use self-
powered peripherals. For applications, such as iMovie, that can record sounds, use the
Sound pane of System Preferences to select the audio input device you want to use,
including microphones connected via USB.
Warning: Do not connect a digital telephone line to the modem as it could damage
the modem. Contact your telephone service provider if you are unsure whether you
have a digital telephone line.
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