Note that a set of lights attached to O1, O2, O3 would display the numbers of full clock pulses which had been completed, in binary (modulo 8), from the first pulse.

• 注意，一组接在O1,O2,O3上的灯泡将以二进制（模8）形式显示第一个脉冲以来已完成的完整时钟脉冲数。