HP 16550A User Reference page 79

100-mhz state/500-mhz timing logic analyzer
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I
The Trigger Menu
Modify Trigger Field
Break Down Macros I Restore Macros
When a pre-defined macro is broken down, the contents of that macro are
displayed in the same long form used in the User-level macro.
If
the macro
uses multiple internal levels,
all
levels are separated out and displayed in the
sequence level area of the Trigger menu. Once the macros
in
your trigger
specification are broken down, the Break Down Macros field changes to
Restore Macros. Use the Restore Macros field to restore
all
macros to their
original structure.
While in a broken down form, you can change the structure. However, when
the macros are restored,
all
changes are lost and any branching that is part of
the original structure is restored.
Use the Break Down Macros if you want to view a particular macro part in its
long form to see exactly what flow the sequencer is following. It can also be
used as an aid in creating a custom trigger specification. In this application,
you would start with a pre-defined macro, break it down, then customize the
long form to meet your needs.
When a macro is broken down, you have all the assignment fields and
branching options available as if you have configured a User-level macro. For
information on the assignment fields, branching, occurrence counters, and
time duration function, refer to the section, "Modifying the User-level Macro"
found later in this chapter.
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