User's Manual

10 I 19
below. Tap the headphone symbol if you wish to pin point the leak, or the chart
symbol to filter the correlation manually.
The Correlation Filter screen on the right hand-side shows the correlation chart on the top
with the leak position as a peak over the length of the pipe. With the buttons in the middle
you can switch automatic or manual filtering on/off. The bottom chart shows the similarity of
the acoustic signal between the red and blue sensors over the frequency. A high value
indicates a good frequency range for filtering, which you can also select manually by moving
the handles.