Spider DSA User’s Manual
153
Recording with Exceeding Limit
Recording can automatically start and stop when limits of either time stream,
time block, or spectrum are exceeded. Signal exceeded event can be configured to
start recording or stop recording. This is very useful when user wants to capture
the data when abnormal signals (exceeded signals) are observed. At any point the
signal exceeds the red limit line as shown below, the signal exceeded event occurs.
When the “When limit exceeded” option under the begin recording event is
checked, such signal exceeded occurrence will automatically start the recording.
Unlike the trigger recording, there are high limit and low limit. When both limits
are bound to the signal, the signal may exceed the high limit (above), exceed the
low limit (below), or exceed both limit at different points. Limit can be bound to
all time block signal, APS signals, FRF signals, time stream signals including peak
and RMS stream. Refer to the Limit Test chapter for more information about how
to add, edit, remove, and bind limit to signals.
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