The pictures are placed in the order of the stations from the south (the
Tokyo area) to the north (the Shin-aomori, Akita and Yamagata area).
"Down train" is from the south (the Tokyo area) to the north
(the Shin-aomori, Akita and Yamagata area).
"Up train" is from the north (the Shin-aomori, Akita and Yamagata
area) to the south (the Tokyo area).
An official explanation of FASTECH 360
http://www.jreast.co.jp/e/press/20050302/