Agilent Technologies DSO-X 4022A, User Manual

Page: 173 / 488

Triggers
10
Agilent InfiniiVision 4000 X-Series Oscilloscopes User's Guide 173
3
Press the
Source
softkey; then, rotate the Entry knob to select a channel
source for the trigger.
The channel you select is shown in the upper- right corner of the
display next to the polarity symbol.
The source can be any analog or digital channel available on your
oscilloscope.
4
Adjust the trigger level:
• For analog channels, turn the Trigger Level knob.
• For digital channels, press the
[Digital]
key and select
Thresholds
to set
the threshold level.
The value of the trigger level or digital threshold is displayed in the
upper- right corner of the display.
5 Press the pulse polarity softkey to select positive ( ) or negative ( )
polarity for the pulse width you want to capture.