ocr: File Edit Format Controis Functions DindOws NATIONAL E S A SE INSTRUMENTS AFrequency Sweep Diagram N 1234 DDDE High U 1234 HzMA FGen rur y L E K Low u 1234 Ramp Hmp U VS F increment XYgraph Amplitude 5E The block diagram uses a FOR loop to step through each frequency. The Ramp VI outputs the array of test values (note wire style). This array is automatically indexed across the FOR loop boundary, and the dimensionality' 18 used by default as the number of iterations since nothing is wired to N.