IBM 68666AU User Guide - Page 43
Using audio features, Line out/headphone, Audio line in, Attention
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Attention Before you change any monitor settings, be sure to review the information that comes with your monitor. Using a resolution or refresh rate that is not supported by your monitor might cause the screen to become unreadable and could damage the monitor. The information that comes with your monitor usually includes the resolutions and refresh rates that the monitor supports. If you need additional information, contact the manufacturer of the monitor. To minimize screen flicker and jitter, set your monitor for the highest noninterlaced refresh rate that the monitor supports. If your monitor complies with the VESA Display Data Channel (DDC) standard, it is probably already set to the highest refresh rate that the monitor and video controller can support. If you are not sure if your monitor is DDC-compliant, see the documentation provided with the monitor. Using audio features Your computer has an integrated audio controller that supports Sound Blaster applications and is compatible with the Microsoft Windows Sound System. Your computer also has a single internal speaker and three audio connectors. Using the audio controller, you can record and play back sound and music and enjoy sound with multimedia applications. Optionally, you can connect two stereo speakers to the line-out connector to enjoy better sound with multimedia applications. The audio connectors in your computer are 3.5 mm (1/8-in.) mini-jacks. A description of the connectors follows. (For the location of the connectors, see "Connecting computer cables" on page 13.) Line out/headphone This jack is used to send audio signals from the computer to external devices, such as powered speakers with built-in amplifiers, headphones, multimedia keyboards, or the audio line-in jack on a stereo system. Note: The internal speaker in your computer is disabled when anything is connected to this connector on your computer. Audio line in This jack is used to accept audio signals from external devices, such as line output from a stereo, television, or musical instrument, into the computer sound system. Chapter 3. Operating and caring for your computer 27