Table 4 Trigger Operators And Sources - HP 54620A User's And Service Manual

•
•
In Edge1, only one edge can be selected. Multiple edges may be
selected in Edge2; they are logically ORed.
Repeat step a for all channels you want to change.
b
Press Previous Menu to return to the Advanced Trigger menu.
c
To set up a pattern source:
Select a channel using the Select knob or the Entry knob.
a
•
•
Repeat step a for all channels you want to change.
b
Press
c
Table 4 Trigger Operators and Sources
Operator
Duration
Occurs
Entered, Exited
AND, OR, Then
In the table, entered means that the trigger qualifier is satisfied as soon as
the input waveforms have transitioned from a state not matching the pattern
to a state matching that pattern. Exited means that the trigger qualifier is
satisfied when the input waveforms transition out of a state matching the
pattern to a state not matching the pattern.
Advanced trigger can help you solve difficult data acquisition problems.
There are two things to remember when setting up an advanced trigger: first,
follow the setup rules; second, have a clear picture of the event sequence you
To set a channel to don't care (not part of the trigger specification),
press the softkey.
Don't Care
To clear all edge settings, press the
To set the condition for that channel, press one of the
softkeys.
Don't Care
To clear the condition settings for all channels, press the
softkey.
Pattern
to return to the Advanced Trigger menu.
Previous Menu
# of Sources
One
One
One
Two
Making Analyzer Measurements
To define an advanced trigger
softkey.
Clear Edge(s)
,
Low High
Clear
Valid Sources
Pat_1, Not = Pat_1, Pat_2, Not = Pat_2
Edge1, Edge2, Pat_1 AND Edge1, Pat_2 AND
Edge2
Pat_1, Not = Pat_1, Pat_2, Not = Pat_2
Pat_1, Not = Pat_1, Pat_2, Not = Pat_2,
Edge1, Edge2, Pat_1 AND Edge1, Pat_2 AND
Edge2
, or
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