Samsung SMT-4933

29
Power control
 Function

 
Header Command ID Data length Checksum
0xAA 0x11 0
 
Header Command ID Data length Data Checksum
0xAA 0x11 1 



 Ack
Header Command ID Data length Ack/Nak r-CMD Val1 Checksum
0xAA 0xFF 3  0x11 

 Nak
Header Command ID Data length Ack/Nak r-CMD Val1 Checksum
0xAA 0xFF 3  0x11 "ERR"

Volume control
 Function

 
Header Command ID Data length Checksum
0xAA 0x12 0
 
Header Command ID Data length Data Checksum
0xAA 0x12 1 "Volume"

 Ack
Header Command ID Data length Ack/Nak r-CMD Val1 Checksum
0xAA 0xFF 3  0x12 "Volume"

 Nak
Header Command ID Data length Ack/Nak r-CMD Val1 Checksum
0xAA 0xFF 3  0x12 "ERR"
