Samsung 400TSn - Manual (Page 72)

Format
MENU ENTER [Setup] ENTER [Video
Wall ] ENTER [Format]
, ENTER
The Format can be selected to see a divided screen.
1. Full
Provides a full screen without any margins.
2. Natural
Displays a natural image with the original aspect ratio intact.
Horizontal
MENU ENTER [Setup] ENTER [Video
Wall ] ENTER [Horizontal]
, ENTER
Sets how many parts the screen should be divided horizontally.
Five adjustment levels: 1, 2, 3, 4, and 5.
Vertical
MENU ENTER [Setup] ENTER [Video
Wall ] ENTER [Vertical]
Adjusting the LCD Display