AFD Status Fix

Program Segment	AOT000175A
AFD	HD 16x9
AFDStart	2015-10-26 12:29:40.0
AFDFinish	2015-10-26 12:29:40.0
MXFAvailable	2016-04-19 16:15:13.0

Unknown means assumed SD-MXF 4x2

SD-MXF 4x3 means SD full-screen, HD pillar-box

SD-MXF 4x2 means SD letter-box, HD full-screen

HD-MXF 16x9 means SD letter-box, HD full-screen

HD-MXF 4x3 means SD full-screen, HD pillar-box

How to recongize and fix an AFD error.

Change to: If the picture is postage-stamp, change to: