Time-sequence: Two-by-two grid with 4 wave designs, one particular in Every square. Every of the 4 wave forms changes color from purple on the remaining to red on the best. The wave pattern (the heights and spots of your peaks over the wave) is different in Each and every square. https://cartracker50370.blogoscience.com/34933563/the-single-best-strategy-to-use-for-hunter-spectrophotometer