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Trigger position in waveform record ........................................................................................................... 422

Trigger delay .............................................................................................................................................. 423

Advanced triggering ................................................................................................................................... 423

Bus triggering concepts ........................................................................................................................ 423

Pulse width trigger concepts ................................................................................................................ 424

Timeout trigger ..................................................................................................................................... 424

Runt trigger ........................................................................................................................................... 424

Window trigger ..................................................................................................................................... 424

Logic trigger concepts .......................................................................................................................... 424

Setup and Hold trigger concepts .......................................................................................................... 424

Rise/Fall time trigger concepts ............................................................................................................. 425

Sequential (A B) trigger concepts ......................................................................................................... 425

Visual Trigger concepts ........................................................................................................................ 425

Waveform display concepts

Waveform display overview ....................................................................................................................... 427

Waveform preview mode ........................................................................................................................... 427

Horizontal position and the horizontal reference point ............................................................................... 427

Measurement concepts

Measurement variables .............................................................................................................................. 429

Missing or out-of-range samples ................................................................................................................ 432

Math waveforms ......................................................................................................................................... 432

Math waveform elements ........................................................................................................................... 434

Math waveform sources ............................................................................................................................. 434

Guidelines for working with math waveforms ............................................................................................. 435

Math waveform editor syntax ..................................................................................................................... 435

Math waveform differentiation .................................................................................................................... 436

Math waveform offset, position, and scale ................................................................................................. 436

Waveform integration ................................................................................................................................. 437

FFT process ............................................................................................................................................... 438

FFT and aliasing ........................................................................................................................................ 438

Blackman-Harris FFT window concepts ..................................................................................................... 439

Flattop2 window ......................................................................................................................................... 440

Gaussian window ....................................................................................................................................... 440

Hanning FFT window ................................................................................................................................. 441

Hamming window ....................................................................................................................................... 442

Kaiser-Bessel FFT window ........................................................................................................................ 442

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