Samsung LS23PUZKFVUZA - Manual (Page 42)

3-15 Using the product
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Coarse Removes vertical noise lines (line pattern) from the screen.
The location of the screen may be changed after the adjustment. In this case, move the screen so
that the screen is displayed at the center of the display panel using the <H-Position> menu.
This function is only available in Analog mode.
Fine Removes horizontal noise lines (line pattern) from the screen.
If you cannot remove the noise completely with the <Fine> function, adjust the <Coarse> and then
use the <Fine> function again.
This function is only available in Analog mode.
MENU DESCRIPTION