Pioneer DVD-V7400 Command Protocol Manual page 45

(1) Fixed data:
indicates the total data bytes of this transfer with HEX digits
2468H = 9320
(2) Fixed data:
indicates the version of this data format is (0200H) now
To avoid errors, this code must remain intact. Do not change any digits
within this code.
(3)
indicates the head address of the #Nth Barcode / Command Stack data
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.
(N = 1 ~ 300)
If the data of #Nths is invalid, it shows (ffffH).
(4)
indicates the numbers of the registered Barcode / Command Stacks
It is available from 0 to 299 in a HEX digit format.
(5)
indicates the group number of the next Barcode / Command Stack
It is available from 0 to 299 in a HEX digit format.
(6)
indicates the head address of the #Nth Blackboard data
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.
(N = 1 ~ 300)
If the data of #Nths is invalid, it shows (ffffH).
(7)
indicates the numbers of the registered Picture / Text
It is available from 0 to 299 in a HEX digit format.
(8)
indicates the group number of the next Picture / Text
It is available from 0 to 299 in a HEX digit format.
(9)
indicates the number of the next Picture / Text
It is available from 0 to 299 in s HEX digit format.
(10)
indicates the head address of the next Barcode / Command Stack data or
Picture / Text data
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Command Descriptions