LG LCD Monitor User Manual page 3

Connecting the Monitor
Connection the Audio
Connect to the *LINE OUT jack of the
PC sound card.
Connect to the microphone jack of the
PC sound card.
If the Audio Out of the PC sound card supports both Speaker Out and Line Out, convert to
Line Out using the card jumper or the program. (Refer to the Sound Card Manual.)
(If the Audio Out of the PC sound card has only Speaker Out, reduce the PC volume.)
NOTE :
* Line Out: a terminal used to connect to the speaker including a built-in
amplifier (Amp).
- Speaker Out: a terminal used to connect to the speaker without a built-in
amplifier (Amp). (The described models are monitors with a built-in amplifier (Amp)).
Make sure that the connecting terminal of the PC sound card is checked before
connecting.
Connect headphones
Connect microphone
A3