Samsung MD40B User Manual page 45

1
Preparations
Ack

Header
0xAA
"Input Source": An input source code to be set on a product.
Nak

Header
0xAA
"ERR" : A code showing what error has occurred.
Comma
Data length
nd
ID
0xFF 3
Comma
Data length
nd
ID
0xFF 3
Ack/Nak r-CMD
"Input
'A' 0x14
Source"
Ack/Nak r-CMD
'N' 0x14 "ERR"
Val1
Checksu
m
Val1
Checksu
m
45
1 Preparations