Samsung DBJ User Manual page 39

Video Wall User Control
• Function
Turn the Video Wall function on or off on the product from your computer.
• Get Video Wall Status
Header Command ID
0xAA 0x89
• Set Video Wall
Header Command ID
0xAA 0x89
Wall_Div: Video Wall Divider code assigned to the product
Data length Checksum
0
Data Val1 Val2
length
2 Wall_Div Wall_SNo
Checksum
39