Classroom signal
Traffic Light
A classroom signal and voice-level display. Red for silent, amber for whisper, green for table talk.
Press 1, 2 or 3 to switch · the projector shows the same three lights.
Classroom signal
A classroom signal and voice-level display. Red for silent, amber for whisper, green for table talk.
Press 1, 2 or 3 to switch · the projector shows the same three lights.