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S:\HP8924C\USRGUIDE\BOOK\chapters\hpibstat.fb
Chapter 4, Status Reporting
Status Reporting
2 Query Error 1 = An error has occurred while trying to read the Test Set’s Out-
put Queue. The following events cause a query error:
a An attempt is being made to read data from the Output Queue
when no data is present or pending.
b Data in the Output Queue has been lost. An example of this
would be Output Queue overflow.
1 Request Control 1 = The Test Set is requesting permission to become the active
controller on the HP-IB bus.
0 Operation Complete 1 = The Test Set has completed all selected pending operations
and is ready to accept new commands. This bit is only generated
in response to the *OPC IEEE 488.2 Common Command.
Table 19 Standard Event Status Register Group Bit Assignments (Continued)
Bit
Number
Event Comment