Operation
Accessing Trigger Parameters
1.
Click
Trig
to open the Trigger control
panel.
2.
As shown in the following steps, click
one of the tabs in the Trigger control
panel to de
fi
ne the trigger parameters.
3.
Use the Event tab to set parameters that
de
fi
ne trigger events. The parameters
vary depending on the trigger Source
and Type selections.
4.
Use the Time Quali
fi
ed tab to set
parameters that qualify trigger events
based on their time duration.
5.
Use the Advanced tab to select whether
to trigger on each segment while in
Swept acquisition mode and to set
parameters that control the position of
the trigger event.
Quick Tip
Other ways to access the Trigger control panel:
Push the Trigger button on the front panel.
Select
Trigger.
from the Setup menu.
Setting Up a DPX Density Trigger
The DPX Density trigger captures transients partially obscured by other higher-amplitude or more frequent signals. If you
can see it in the DPX bitmap, you can trigger on it. The DPX Density area measurement is used to select the region of
interest in the display and to measure its current density. You set a density threshold, and the instrument triggers when the
density measurement exceeds your threshold.
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