Status and Events
Before reading
an event from the Event Queue, you must use the *ESR? query to
read the summary of the event from the SESR. This makes the events summarized
by the *ESR? read available to the EVENT? and EVMSG? queries, and empties
the SESR.
Reading the SESR erases any events that were summarized by previous *ESR?
reads but not read from the Event Queue. Events that follow an *ESR? read are
put in the Event Queue but are not available until *ESR? is u sed again.
Event Hand
ling Sequence
The figure below shows h ow to use the status and event handling system. In the
explanation that follows, numbers in parentheses refer to numbers in the figure.
DPO7000, DPO70000/B and DSA7000/B Series Programmer Manual 3-5
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