Space - toggles top lamp modes Down Arrow - toggles bottom lamp modes Z - Mute sound X - Unmute sound
Credits - railroadsignals.us for the image https://railroadsignals.us/basics/basics4.htm Soundimage.org for the ambient sound http://soundimage.org/wp-content/uploads/2016/08/Street-Ambience.mp3 Programmed by me.
