diff --git a/Home.md b/Home.md
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@@ -98,3 +98,15 @@ By default the windows might be absolutely tiny.  If they are, click on one of t
 ![image](https://user-images.githubusercontent.com/4240543/162875585-14dcbacd-0f9b-4de2-8af9-28892c2a4c13.png)
 
 ![image](https://user-images.githubusercontent.com/4240543/162875639-5b26e9e1-1b0c-4a6e-ae8a-5d7e42557355.png)
+
+You should now notice that moving the mouse vertically in the main window changes the time value in `cursor time`.  If you click and drag vertically you will notice the values in `delta selected` changing.  
+
+Find a burst that looks like the image from earlier, and click just above it in the main window.  Clicking will lock the cursor in place.  Note the time that the burst starts.
+
+![image](https://user-images.githubusercontent.com/4240543/162875844-ca836b42-e066-4c76-92dc-5b6558b6d685.png)
+
+Now, click and drag until you have highlighted the entire signal (going over is fine) and note the value of `delta selected`
+
+![image](https://user-images.githubusercontent.com/4240543/162875953-c1e8f633-24cf-408e-8aac-4ad4b1891646.png)
+
+You now know when the burst starts in the collect, and for how long it stays active.  This will be used in later steps to extract just the samples that you care about.
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