Sony AIBO Life2 User Manual page 52

Face side lights
These face side lights indicate the emotions of AIBO. The examples are shown
below.
Face side light
52
Red (back)
(lights instantaneously)
Blue (center)
(lights instantaneously)
Blue (front)
(lights instantaneously)
Blue (center)/Red (back)
(alternately)
Blue (front)/Red (back)
(simultaneously)
Angry
Happy
Sad
Surprised
Reluctant