Pioneer Industrial DVD Player DVD-V7400 - Manual (Page 46)

Command Descriptions
The head address is a relative address. The base address is (BP = 1216)
and (BP = 1216) is the head byte of the Barcode & Blackboard Data in this
format.
(11)
Comprises the body of the data
(12)
checksum of the data that indicates the result of adding up BP 0 through BP
9315 and shows in HEX (double word) format
Format of Barcode / Command Stack data in the data:
The length of Barcode / Command Stack data is 16 bytes. This is a fixed
length. Each byte is made up of aH (upper nibble) and one digit of the
Barcode Command (lower nibble). The Barcode Command length is available
up to 16 digits. If the command length is less than 16 digits, it fills with (00H).
Example:
Segment Play Command : Title 02, from Frame 3600 to Frame 4800
> 4020036000048007
BP Data Explanations
1216 + BARCODE_SRP #n a4H
+ 1 a0H
+ 2 a2H
+ 3 a0H
+ 4 a0H
+ 5 a3H
+ 6 a6H
+ 7 a0H
+ 8 a0H
+ 9 a0H
+ 10 a0H
+ 11 a4H
+ 12 a8H
+ 13 a0H
+ 14 a0H
+ 15 a7H
*BARCODE_SRP #n : Barcode #n Search Pointer
- 39