Hold Off by Time
Sometimes you can achieve a stable display of complex, repetitive waveforms by placing a
condition on the time between each successive trigger event. This time would otherwise be
limited only by the input signal, the coupling, and the instrument's bandwidth. Select a positive or
negative slope, and a minimum time between triggers. The trigger is generated when the
condition is met after the selected holdoff time, counted from the last trigger. Any time between 2
ns and 20 s can be selected. The delay is initialized and started on each trigger.
Edge Trigger with Holdoff by Time. The bold edges on the trigger source indicate that a positive slope has been
selected. The broken upward-pointing arrows indicate potential triggers, which would occur if other conditions
are met. The bold arrows indicate where the triggers actually occur when the holdoff time has been exceeded.
78 SDA-OM-E Rev H
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