Triggers 10
Agilent InfiniiVision 3000 X-Series Oscilloscopes User's Guide 159
 
3 Press the Source softkey, and turn the Entry knob to select the input 
channel source.
4 Press the Positive, Negative, or Either Runt Pulse softkey to toggle between 
pulse types.
5 Press the Level Select softkey to select High; then, turn the Trigger Level 
knob to adjust the high level.
6 Press the Level Select softkey to select Low; then, turn the Trigger Level 
knob to adjust the low level.
You can also push the Trigger Level knob to toggle between High and 
Low selection.
7 Press the Qualifier softkey to toggle between "less than", "greater than", 
or  None.
This lets you specify that a runt pulse be less than or greater than a 
certain width.
8 If you selected the "less than" or "greater than" Qualifier, press the Time 
softkey; then, turn the Entry knob to select the time.