Chick-fil-A girl uses push button! #trafficlight #educational
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@TrafficLightDoc I presume "RED RST" means "rest in red", i.e. the red signal will remain displayed until demand is present? And for the status letters, 'C' means "call", 'R' means "recall", and 'O' means "override"? I'm still learning, so please forgive me in advance...