Answer: parade pattern
Explanation:
To evaluate condition of an ignition system, the primary tool that is typically used is the lab scope or the oscilloscope. While the time is being displayed in an horizontal manner, the voltage is being displayed in a vertical manner.
The pattern The pattern in which a lab scope shows all the cylinders firing in sequence is simply referred to as the parade pattern. It simply shows the amount of voltage that'll be needed to fire the spark plugs.
