AOC Envision L20S421, Service Manual

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20” LCD TV Color Monitor AOC L20S421
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Sound Setup (Same as in PC, TV, AV1, S-Video and Components modes)
1. The range of adjusting volume, bass and treble is from 0~100.
2. Select “ON” or “OFF” in sound selection to control the sound output.
3. The range of adjusting Balance is -50~+50; when adjusting from 0 to -50, the sound from the left track fades
until silence; when adjusting from 0 to +50, the sound from the right track fades until silence.
4. AVL: you can set it “ON” or “OFF”.
The function is to adjust the input sound automatically. You may enable this function when you notice that the
sound in the two tracks are very different, in order to prevent the bad sound effect resulting from large sound
variation.
5. Select "ON" or "OFF" for Loudness: a default setting is preset, and you may adjust when necessary.
The following menu will appear when selecting continuously:
6. Preset: Designed for different types of sound output, wherein, the dialogue, music and theater modes are preset;
you can set Bass, Treble and Equalizer in sound output mode according to your preference.
7. Equalizer: You can select and adjust 100, 300, 1K, 3K and 8K respectively (the figures represent the sound
frequency range).
8. Reset to default: Reset the sound setting to the factory default value.
Picture Setting
When the input source is in PC mode, you can select Brightness, Contrast, Position, Video noise, Sharpness, Auto
Adjust, Info, Color Temp, Red, Green, Blue and Reset to default; shown in the figure below: