Pioneer Industrial DVD Player DVD-V7400 User Manual
Page 44
Command Descriptions
The Communication flows as shown below.
(N=9320)
Computer
DVD
player
---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 = 2468H)
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
1206 - 1207
Blackboard #300 Search Pointer
2 bytes
1208 - 1209
(7) Number of Next Blackboard Data
2 bytes
1210 - 1211 (8) Number of Next Blackboard Group
2 bytes
1212 - 1213
(9) Number of Next Blackboard Unit
2 bytes
1214 - 1215
(10) Next Data Address
2 bytes
1216 - 9315
(11) Barcode & Blackboard Data
8100 bytes
9316 - 9319
(12) Checksum
4 bytes
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