LG LST-3410A Service Manual page 31

5) Audio Test
The resolution is displayed as shown at the below, and when the initial menu is disappeared, you can change
the resolution by selecting the resolution list.
If you select 'RGB,' the menu can be displayed at the RGB monitor only, and 'YPbPr' at the TV supporting the
YPbPr only. If you connect the output terminal to the TV or monitor not suitable for the resolution, nothing will
be displayed.
Other Audio outputs (Fixed, SPDIF) are muted at the time of Variable Audio output test.
Other Audio outputs (Variable, SPDIF) are muted at the time of Fixed Audio output test.
Other Audio outputs (Fixed, Variable) are muted at the time of SPDIF Audio output test.
Audio Volume Up/Down is operated by the Volume Up/Down key of the remote controller.
A broadcasting signal entered at the ANT or the data stored at the HDD can be used as the audio source.
6) External Audio/Video Input Test
The test should be done by connecting with the audio/video external input.
You should use the line level stereo as an audio source and the NTSC signal as an video source.
< Fig7 > Resolution Test Menu
< Fig8 > External Audio/Video Input Test
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