What is Analog Edge Triggering?

What is Analog Edge Triggering?

VirtualBench can generate a trigger on an analog signal. You must specify a source and an edge. An analog edge trigger occurs when a signal crosses a trigger threshold that you specify. You can specify the slope as either positive (on the rising edge) or negative (on the falling edge) to the trigger. Analog edge triggering is possible on all of the scope's analog input channels. The following figure shows edge triggering.