A-B Command - Denon DN-C635 Service Manual

Revision1.0
Date 2003-01-28

2.6.20 A-B command

This command designates A point, B point in an A-B point designated repeating function
1) Command format
byte/bit
0
1
2
3
4
5
6
7
8
2) Answer format
byte/bit
0
1
2
3
4
5
3) Special condition
As for this command, information condition changes by the condition of a/the main body.
1. A device 'receives only A-Set' condition at the time of ' A-B off'.
2. A device 'receives only B-Set' and' A-B off' condition at the time of ' A-Set'.
3. A device 'receives only A-B off' condition at the time of ' A-B Set'.
7 6 5
A-B Code(A-B OFF : '0', A-set : '1', B-Set : '2')
Table 75. A-B command
7 6 5
Table 76. A-B answer
DN-C635 Serial Interface Specification
4 3 2
STX( 0x02 )
Command code ('L')
Reserve ( 0x00 )
Reserve ( 0x00 )
Reserve ( 0x00 )
ETX( 0x03 )
BCCH( high-level )
BCCL( low-level )
4 3 2
STX( 0x02 )
Reply code ('L')
Answer code
ETX( 0x03 )
BCCH( high-level )
BCCL( low-level )
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1 0
1 0