The following portion of code shows a typical use case for Rectangular Eye Scan. This code measures a single channel and updates the Bit Error Ratio graph once per 100 milliseconds.

Figure 21. Rectangular Eye Scan

Use the Horizontal Step Size and Vertical Step Size properties to control the density of your Eye Scan plot. The points to be measured are computed based on step size starting from 0, up to the largest absolute value closest to, but not exceeding, the maximum value.