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The Compare Menu
Difference Listing Field
The controls that roll the listing in all three menus, the normal State listing,
the Reference listing, and the Difference listing are synchronized unless the
number of pretrigger states differ between the Reference listing and the
acquired data.
This means that when you change the current row position
in
the Difference
listing, the analyzer automatically updates the current row
in
the acquired
State listing, Reference listing and vice-versa.
If
the three listings are synchronized and you re-acquire data, the Reference
listing may have a different number of pretrigger states depending on the
state trace trigger criteria. The Reference listing can be resynchronized to
the State and Difference listings by entering the desired state (acquisition
memory) location from the pop-up keypad.
This allows you to view corresponding areas of
all
lists, to cross check the
aligrnnent, and to analyze the bits that do not match.
9-7
I
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