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Pulse width trigger
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The pulse width is measured on the level specified by a user. The pulse triggering can be both positive and negative:
 - positive polarity pulse width is less than the specified value;
 - positive polarity pulse width is more than the specified value;
 - positive polarity pulse width is equal to the specified value;
 - negative polarity pulse width is less than the specified value;
 - negative polarity pulse width is more than the specified value;
 - negative polarity pulse width is equal to the specified value.
The present trigger type can be used to detect anomalies in the pulse width flow (the width differs from the one required) and also to organize the signal area record beginning from the pulse occurrence of a certain width.
The animated picture below shows specified duration pulse triggering and undefined duration pulse triggering:
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