NEC LCD Monitor, Manual

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'0' (30h) : Reserved
Monitor ID : Specify the Monitor ID from which you want to get status.
Ex.) If Monitor ID is '1', specify 'A'.
'0' (30h) : Message sender is the controller.
'A' (41h) : Message Type is "Command".
'2'-'6' (32h, 36h) : Message length is 38 bytes.
Message
STX (02h): Start of Message
'C'-'B'-'0'-'6': Proof of Play reply command
'0'-'4' (30h,34h): Get Proof of Play Number to Number log command
Data(0)-Data(12): Log Data of Proof of Play of STOP (26byte) : Same as
“
Get Proof of Play
Current
”
* Refer to
“
Get Proof of Play Current
”
ETX (03h): End of Message
Check code
BCC: Block Check Code
Refer to the section 4.5
“
Check code
”
for a BCC calculation.
Delimiter
CR (0Dh): End of packet