Introduction - If you have any usage issues, please Google them yourself
A direction for the main road, B direction of branch roads. Divided red (R), yellow (Y), green (G) and left (L) four lamps. 1 for light, 0 lights off. Four lights lit in the order: light green → yellow → turn left → red → yellow, A direction four times for 55 seconds (red), 40 seconds (green), 5 (yellow) and 15 seconds (left Abduction Lamp) seconds B direction four times 65 seconds (red), 30 seconds (green), 5 seconds (yellow) and 15 (left light) seconds. Time to change the number as long as you can predict the change counter.