The resulting shock can be filtered by any of the threshold variables.
Select the Threshold variable to filter by.
Set the Threshold filter to remove the portion of the shock surface or region that is greater or less than the specified threshold value.
Enter a Threshold value.
OR
Slide the slider to a new threshold value.
The shock is usually defined in a very narrow band, so the slider min/max values may need to be adjusted by either entering new values in the Min/Max fields.