Samsung SyncMaster 400CX User Manual page 64

Note
When Video Wall is running, the Auto Adjustment, Image Lock, and Size functions are not available.
Video Wall
MENU →
Wall ]→ ENTER → [Video Wall ]
→ , → ENTER
Turns Off/On the Video Wall function of the selected display Off/On.
1. Off
2. On
Format
MENU →
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 →
Wall ]→ → → ENTER → [Horizontal]
Adjusting the LCD Display
→ → → ENTER → [Setup] → → → →
→ → → ENTER → [Setup] → → → →
→ → → ENTER → [Setup] → → → →
→ → → ENTER → [Video
→ → → ENTER → [Video
→ → → ENTER → [Video