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Status Reporting
Bit Definitions
MAV - message available. Indicates whether there is a response in the
output queue.
ESB - event status bit. Indicates if any of the conditions in the
Standard Event Status Register are set and enabled.
MSS - master summary status. Indicates whether the device has a
reason for requesting service. This bit is returned for the *STB? query.
RQS - request service. Indicates if the device is requesting service.
This bit is returned during a serial poll. RQS is set to 0 after it is read via
a serial poll (MSS is not reset by *STB?).
URQ - user request. Indicates whether a front-panel key has been
pressed.
CME - command error. Indicates whether the parser detected an
error.
EXE - execution error. Indicates whether a parameter was out of
range, or inconsistent with the current settings.
DDE - device specific error. Indicates whether the device was unable
to complete an operation for device dependent reasons.
QYE - query error. Indicates whether the protocol for queries has
been violated.
RQC - request control. Indicates whether the device is requesting
control. The logic analyzer never requests control.
OPC - operation complete. Indicates whether the device has
completed all pending operations.
TRG - trigger. Indicates whether a trigger has been received.
6–4
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