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Command Descriptions
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5.41 Blackboard / Stack Data Upload
Function : Reads the data in the player : Blackboard data, Barcode data, Stack
data
Format : BU
Explanation : The player sends the data to the computer after the command while it is
Park mode.
The Communication flows as shown in below.
Flow of the communication :
(N=8420)
Computer DVD-V7200
---BU<CR>--->
<---R<CR>----
<--1st byte data--
<--2nd byte data--
~
<--(N-1)th byte data--
<--Nth byte data<CR>--
<---R<CR>----
Format of the data :
BP Contents Numbers of bytes
0 - 1 (1) Total number of the transfer data
(fixed number = 20e4H)
2 bytes
2 - 3 (2) The version of this data format
(fixed value)
2 bytes
4 - 5 (3) Barcode #1 Search Pointer 2 bytes
6 - 7 Barcode #2 Search Pointer 2 bytes
~ ~ ~
600 - 601 Barcode #299 Search Pointer 2 bytes
602 - 603 Barcode #300 Search Pointer 2 bytes
604 - 605 (4) Number of Next Barcode Data 2 bytes
606 - 607 (5) Number of Next Barcode Group 2 bytes
608 - 609 (6) Blackboard #1 Search Pointer 2 bytes
610 - 611 Blackboard #2 Search Pointer 2 bytes
~ ~ ~
1204 - 1205 Blackboard #299 Search Pointer 2 bytes