43983310_ParseCNV__Explanation
[RedFlag] ABFreq [Default Report Threshold] <1% values (0.1,0.4) or (0.6,0.9) [Explanation] 
For duplications, AB banding of BAF at 0.33 and 0.66 for CN=3 or 0.25 and 0.75 for CN=4 are very important observations given the relatively modest gain in intensity observed in duplications.
ParseCNV
Explanation