# Pulse Width

The Pulse Width trigger mode triggers on pulses narrower or wider than a specified time or pulses within or outside a specified time range.

- Source — Select one of the analog input channels.

- Level — Enter the trigger threshold level in the field or use the increase, 50%, or decrease buttons. Other ways to set the trigger level include dragging the "T" trigger level indicator on the left side of a waveform content window or turning the front panel Trigger Level knob .

- Slope — Select positive or negative pulses.

- Trigger Condition — Selects what kind of pulses will cause a trigger:

  - < Time — Pulses narrower than the specified Time. This is the same as the Glitch trigger mode.
  - > Time on Pulse End — Pulses wider than the specified Time, triggering when the pulse ends.
  - > Time on Timeout — Pulses wider than the specified Time, triggering when the width is exceeded. This is the same as the Timeout trigger mode.
  - Range Inside — Pulses within the range specified by the > Time and < Time values.
  - Range Outside — Pulses outside the range specified by the < Time and > Time values.