Denon 3800BD - Manual (Page 10)

Ver.3.09
4) When a command with an answer parameter is normally received ( unit ) and an
answer is normally received with ETB ( host )
Command Transmitted
CC
PC0
PC1
PC2
PCn
BCC
STX
ETX
STX
Answer Transmitted
Error Check OK
HOST UNIT
AC
PC0
PC1
PCn
ETB
BCC
RC
Error Check OK
MAX
40ms
MAX
5s