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S:\agilent\8920\8920b\PRGGUIDE\BOOK\CHAPTERS\advoper.fb
Chapter 5, Advanced Operations
Status Reporting
Error Message Queue Group
The Error Message Queue Group is an implementation of the status queue model
described in “Status Queue Model” on page 250. The Error Message Queue queue
type is a first-in, first-out (FIFO) queue that h ol ds up to 20 messages. The Error
Message Queue Group includes a FIFO queue but no Message Available (MAV)
Summary Message. Refer to the “Status Reporting Structure Overview” on page
239 for an overview of status queue operation. Figure 11 shows the structure of the
Error Message Queue Group.
Figure 11 Error Message Queue Group
Last Message Entered
Next Message Enter ed
First Message Entered
Last Message
to be Read
First Messag e
to be Read
SYSTem: ERRor?

Error Message Queue