I’m extremely sure you won’t be able to demonstrate that the 
does crossfades on its captured loops in connection with Fin Fout
Here’s a screen grab from an edit of a captured loop with a pre-existing Fin & Fout - it is re-sampled in the OctaTrack and gets a new Fout of the same value (file start is not shown here) - you can see that the looped file is not applying crossfades - as Fin and Fout of a captured loop don’t overlap
