Pre-trigger time
Figure 20: Display area for triggering via spectrum - the SoundCam triggers on the
switching of a valve because the spectrum (red) exceeds the trigger line
(yellow)....
Figure 19: The SoundCam has not yet triggered - no frequency line of the spectrum
(red) exceeds the trigger line (yellow).
Manual SoundCam
Post-trigger time
Indicator line for
trigger operation /
"trigger curve"
Triggering time, set
by pre and post time
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