Original sequence of iTunes Playlist

As soon as one sorts iTunes Playlist in DJ pro - they are sorted. Forever. Meaning I can ́t get back to the original sequence as it is possible in iTunes by clicking on the sequence number in the title view.

Or perhaps one can and I am just too dumb to find this. Can anyone help?

Thanks, G.

Press once to sort, then again to reverse the order, then once again to reset to original (itunes) order.