Samsung QM49F - Page 31

31
Screen mode control
 Function

Video Wall


 
Header Command ID Data length Checksum
0xAA 0x18 0
 Setting the picture size (Set Picture Size)
Header Command ID Data
length
Data Checksum
0xAA 0x18 1 "Screen
Mode"
"Screen Mode": A code that sets the product status
0x01 16 : 9
0x04 Zoom
0x31 Wide Zoom
0x0B 4 : 3
 Ack
Header Command ID Data
length
Ack/Nak r-CMD Val1 Checksum
0xAA 0xFF 3  0x18 "Screen
Mode"
"Screen Mode": A code that sets the product status
 Nak
Header Command ID Data
length
Ack/Nak r-CMD Val1 Checksum
0xAA 0xFF 3  0x18 "ERR"

Screen size control
 Function

 
Header Command ID Data length Checksum
0xAA 0x19 0
 Ack
Header Command ID Data
length
Ack/Nak r-CMD Val1 Checksum
0xAA 0xFF 3  0x19 "Screen
Size"
"Screen Size": product screen size (range: 0 – 255, unit: inch)
 Nak
Header Command ID Data
length
Ack/Nak r-CMD Val1 Checksum
0xAA 0xFF 3  0x19 "ERR"
