Most likely "autoland" not outbound.

This is a caveat carved in to the rules allowing gate-to-gate PED use. In certain circumstances the conditions will necessitate that move. That is seemed unremarkable to you is a testament to the fact that this stuff is incredibly safe, day in and day out.

More in-depth conversation on the same topic from UA a couple days ago, including comments from pilots: http://www.flyertalk.com/forum/unite...ed-divert.html.