I've noticed that all the various NerveGear iterations in Sword Art Online have three LED's on the left side, labeled POW, WAN, and BLK.
I think it's safe to say that POW is the power, and WAN is the internet connection. What is BLK?
Anime & Manga Stack Exchange is a question and answer site for anime and manga fans. It only takes a minute to sign up.Sign up to join this community