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2.18.2 DSR/ACK - deferred response to a query (event Q03)

Later, perhaps more than once.

DSR (B to A)   Display Response Message     Chapter
MSH     Message Header        2
[MSA]    Message Acknowledgment      2
[ ERR ]    Error          2
[ QAK ]    Query Acknowledgment       2
QRD     Query Definition        2
[ QRF ]    Query Filter         2
{ DSP }    Display Data         2
[ DSC ]    Continuation Pointer       2
ACK (A to B)   General Acknowledgment     Chapter
MSH     Message Header        2
MSA     Message Acknowledgment      2
[ ERR ]    Error        2

Note: All record-oriented original mode and all enhanced mode queries follow the immediate and deferred acknowledgment modes defined in Section 2.18.1, "QRY/QCK - deferred query (event Q02)".

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