1.2 Realtime (without trigger)

knock thresh: 

- Knock threshold value, if exceeded then knock is detected

signal level: 

- The actual signal level from the knock sensor

signal peak: 

- Holds the peak signal level value, can be reset by pressing the "UP" button

knock level:

- Shows how much the signal level exceeds the threshold value

knock count: 

- Records the number of detected knock events (resets by pressing the "UP" button)