Sony ERS-210 Operating Instructions Manual page 24

2
Connect the AC adapter conversion plug to AIBO's charging
terminal.
3
Connect the AC adapter to the mains and place AIBO in the
posture shown below.
While the AC adapter is connected, AIBO will not change from pause mode
even if you press the pause button on its chest.
While charging
The chest light lights up orange.
When charging has finished
The chest light turns off.
24
Chest
light