HP 1103 - Manual (Page 20)

Component Description
(6) USB port Connects an optional USB device.
(7) Audio-out (headphone) jack/Audio-in (microphone)
jack Produces sound when connected to optional
powered stereo speakers, headphones, earbuds, a
headset, or television audio. Also connects an
optional headset microphone.
WARNING! To reduce the risk of personal injury,
adjust the volume before putting on 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: The audio component must have a 4-
conductor connector.
12 Chapter 2 External component identification