The other day I was flipping past ch.25 in the Boeing 737-100/200 manual and noticed something. It named three options for the cabin style (overhead bins etc), the "Carry-All Compartment", "Wide-body Look", and the "ATI interior".
Now, in the diagrams one can clearly see the difference between the first two, but I couldn't find anything on the ATI interior. Also, many of the various sections say at the top of the page "all except ATI Interior", but few seem to actually apply to it. All I can really find on the ATI interior is how the passengers' emergency oxygen system is different than on other 737s.
I know I'm missing something here, but can anyone point out what this ATI interior is all about?