Using find – Teledyne LeCroy Merlin II - Users Manual User Manual
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Merlin II Protocol Analyzer User’s Manual
CATC
SW Version 2.50
Intersection is used to search for all selected events: "Find x and y." 
Intersection lets you tell the analyzer to search the trace for any packet 
having all of the selected events.
Exclusion is used to exclude selected traffic from the trace. Exclusion is 
used with Union and Intersection --i.e., you select Exclusion with Union or 
Intersection. 
•
Exclusion + Union -- tells Merlin II to exclude packets with any of the 
specified events. 
•
Exclusion + Intersection -- tells Merlin II to exclude packets with all of the 
specified events. 
Using Find
Step 1
Select the display level to be searched from the Search For 
box on the left side of the window. 
For example, to search through L2CAP messages, select L2CAP. The display 
level that you select will affect options presented in the Events Group box.
Step 2
Select a search direction and origin.
Step 3
Select one or more events from the Events Group box.
Your choices will affect options presented in the box on the right side of the 
screen.
Step 4
If you have selected two or more criteria, then select either :
•
Union: Find all packets that match ANY of the specified events. An
example would be to find packets with either X or Y.
•
Intersection: Find all packets that match ALL of the specified 
events. An example would be to find all packets with X and Y. 
If you want to selected events from the trace, then select:
•
Exclusion: Exclude all packets that match any of the specified 
events. This option works in conjunction with Union and Intersection. 
Select an exclusion plus one of the other two options. If you select 
Exclusion and Union, it means Exclude packets in any of the 
following events. An example would be to exclude packets with 
either X or Y. 
