Samsung CA19ISBL-XAZ - Manual (Page 38)

On-Screen Display
Some video cards use video signals higher than 1.0V which causes the display to
be very bright.
For those video cards, use this feature to select the 1.0 V Level.
1 Push the Menu ( ) button.
2 Push the ◀ button or ▶ button until the Advanced screen is displayed.
Push the ▲ button or ▼ button to select Video Input Level.
3 Push the Menu ( ) button to open the Video Input Level
selection screen.
4 Use the ◀ or ▶ buttons to select 0.7 V or 1.0 V.
Menu How to adjust
Video Input Level