Trigger type

There are several different trigger types:

Trigger typeDescription
edge trigger trigger on an rising, falling or any edge in the signal
window trigger trigger when the signal enters or leaves a certain window or range, optionally shorter/longer than a specified time
pulse width trigger trigger on a positive or negative pulse in the signal wider/narrower than a specified width, or inside/outside a specified time frame
interval trigger trigger on a periodical signal with a period time shorter/longer than a specified length, or inside/outside a specified time frame

Changing the trigger type of a channel in the Multi Channel oscilloscope software can be done in various different ways:

  • Opening the trigger properties dialog and selecting the required trigger type from the list of available trigger types.
  • Right-clicking the trigger symbol on an axis and selecting Trigger type and then the required value in the popup menu.
  • Double-clicking the trigger symbol to toggle between:
    Without Ctrl   With Ctrl
    Rising edge symbol Falling edge symbol   Rising edge symbol Falling edge symbol
    Inside window Outside window   Inside window Outside window
    Enter window Exit window   Enter window Exit window
    Pulse positive Pulse negative   Pulse positive Pulse negative
    Period rising Period falling   Period rising Period falling
  • Right-clicking the channel in the Object Tree and selecting Trigger type and then the required value in the popup menu.