Samsung CA19ISBL-XAZ - Manual (Page 74)

On-Screen Display
Use the focus control when the image displayed on the screen is not
sharp in all areas.
1 Push the Menu( ) button.
2 Push the button or button until the Screen OSD is displayed. Push
the button or button to select Focus.
3 Push the Menu( ) button to open the Focus adjustment screen.
4 Use the button or button to adjust the focus along the left and right
areas of the screen. Use the button or button to adjust the center
area of the screen.
v
Focus
Menu How to adjust