User Guide - Windows 7

Component Description
WARNING! To reduce the risk of personal injury, adjust the
volume before using headphones, earbuds, or a headset. For
additional safety information, refer to the Regulatory, Safety,
and Environmental Notices.
NOTE: When a device is connected to the jack, the computer
speakers are disabled.
NOTE: Be sure that the device cable has a 4-conductor
connector that supports both audio-out (headphone) and audio-
in (microphone).
6 Chapter 2 Getting to know your computer