Multichannel Systems MC_Rack Manual - Manual (Page 125)

MC_Rack Features
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4.9.4 Triggering on Biological Signals
You can define a threshold for triggering on biological (analog) signals from Analog Raw Data,
Electrode Raw Data, or Filtered data streams.
 Select the appropriate data stream and channel from the Channels list.
 If you select the option Negative Slope, the fall of the curve is regarded. If you select
Positive Slope, the rise is considered.
The following picture illustrates how the trigger detection works.
If you use the Trigger data stream that is generated by the Trigger Detector to control other
virtual instruments, the trigger event is considered at the time point = 0. You can then define how
long before the trigger event (pre-trigger time) the instrument (an Analyzer, for example) will
start and how long after the trigger event (post-trigger time) the instrument shall stop. The total
time gives you the window extent. You define these settings on the Window page of an
instrument. See also "Triggered Data".