Samsung QM75F - Page 32


Screen mode control
 Function

Video Wall


 
Header Command ID Data length Checksum
0xAA 0x18 0
 
Header Command ID Data
length
Data Checksum
0xAA 0x18 1 "Screen
Mode"
"Screen Mode": A code that sets the product status
0x01 
0x04 Zoom
 Wide Zoom
0x0B 
 Ack
Header Command ID Data
length
Ack/Nak r-CMD Val1 Checksum
0xAA 0xFF   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   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   0x19 "Screen
Size"

 Nak
Header Command ID Data
length
Ack/Nak r-CMD Val1 Checksum
0xAA 0xFF   0x19 "ERR"
