Originally Posted by DTW-Reserve
green: off is sterile/on is non-sterile flight deck
blue: passenger has pressed the FA call button
pink: crew call via the interphones
amber: someone in the lavatory has pressed the FA call button
hope this answers.
One change.
Amber: Someone in the lavatory likes to press things out of pure wonder, the yells at me when I knock on the door to see if they need help.