Lenovo 3000 H230 User Manual page 12

In countries or regions that do not use RJ-11 telephone outlets, a splitter or
converter is required to attach the cables to the telephone outlet as shown
at the top of the illustration. You can also use the splitter or converter without
the telephone as shown at the bottom of the illustration.
1.3.6 If you have audio devices, attach them using the
following instructions:
Audio line-in
Audio line-out This connector sends audio signals from the computer to
Microphone
Headphone
31039398_3000 H_UG_EN_V2.0.indd 7
This connector receives audio signals from an external audio
device, such as a stereo system.
external devices, such as powered stereo speakers.
Use this connector to attach a microphone to your computer
when you want to record sound or if you use speech-
recognition software.
Use this connector to attach headphones to your computer
when you want to listen to music or other sounds without
disturbing anyone. This connector might be located on the
front of the computer.

User Guide
2009.7.22 3:29:54 PM