2. Set the T
rigger Type to Runt.
Settings panel (Runt Trigger configuration menu) fields and controls
Field or control Description
Source
Lists the source channel or waveform to use to trigger.
Trigger When
• Occurs: A runt signal event occurs.
• < Limit: A runt signal event occurs that has a pulse width less than the specified time limit.
• > Limit: A runt signal event occurs that has a pulse width greater than the specified time limit.
• = Limit: A runt signal event occurs that has a pulse width that is equal to the specified time limit
(±5%).
• ≠Limit: A runt signal event occurs that has a pulse width that does not equal (is greater than or
less than) the specified time limit (±5%).
Polarity Sets the polarity of the pulse to detect (positive pulse only, negative pulse only, or a positive or
negative pulse).
Time Limit Sets the time period condition to be met.
Upper Threshold
Sets the upper amplitude level through which the signal must pass to be considered a valid transition.
Lower Threshold
Sets the lower amplitude level through which the signal must pass to be considered a valid transition.
Mode & Holdoff
Trigger Mode determines how the instrument behaves in the absence or presence of a trigger event.
Holdof
f sets the amount of time the oscilloscope waits after a trigger event before detecting and
triggering on the next trigger event.
For additional information on Trigger Mode, Holdoff, forcing a trigger, and the Trigger Frequency
Counter see Mode and Holdoff panel on page 226.
Act On Trigger
Set the actions the instrument takes when a trigger event occurs.
For additional information on the Act On Trigger panel see Act On Trigger configuration
menu on page 227.
Trigger types
Use the following links to see more information on specific trigger types.
• Edge T
rigger menu
• Pulse Width Trigger menu
• Timeout Trigger menu
• Runt Trigger menu
• Logic Trigger menu
• Setup & Hold Trigger menu
• Rise/Fall Time Trigger menu
• Video Trigger menu
• Bus Trigger menu
• Sequence Trigger menu
Menus and dialog boxes
3 Series Mixed Domain Oscilloscope Printable Help 221
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