Speco Technologies VM22TSLCD - Manual (Page 8)

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Brightness: Adjusts the overall picture shade and brightness.
Contrast: Permits adjustment of contrast between light and dark areas of the picture.
Auto Adjustment: Picture adjustment automatic correction, like clock and phase.
Image H Position: Allows adjustment for horizontal position.
Image V Position: Allows adjustment for vertical position.
Phase: Is used to adjust best picture quality. It adjusts the sampling phase across one
pixel time. When the phase is not adjusted properly, the picture will be unclear.
Therefore this value should be carefully adjusted.
Note: improper adjustment will cause image failure.
Clock / Line: Is used to adjust best picture quality. It adjusts the numbers of the
pixel clock across one line time. Therefore it can affect the picture
position and size. Note: improper adjustment will caused image failure.
Default: Back to factory default
Touch Panel LCD: OSD-DVI(VGA) Setting