Data pattern mask and match – Teledyne LeCroy USB Protocol Suite User Manual (Voyager_Advisor T3_Mercury) User Manual
Page 294
Teledyne LeCroy Corporation
Recording Rules ‐ USB 2.0
294
USB Protocol Suite User Manual
Therefore, to ensure Babble and Turnaround triggers have the correct default values, you
should follow this procedure:
1. Set the Recording Speed to the explicit value you are going to be capturing (Hi, Full,
or Low) in the 2.0 Misc tab. Do not use Auto‐Detect.
2. Delete any error triggers from the Rec Rules tab.
3. Save your recording options as Default.
4. Close the Recording Options dialog.
5. Open the Recording Options Dialog.
6. Select the Errors trigger in the Rec Rules Tab.
7. If capturing Hi Speed, verify that the default value for Babble trigger is 7435.
8. If capturing Full or Low Speed, verify that the default value for Babble trigger is
759840.
If you always leave the speed set to a specific value due to testing the same device or
class of devices all the time, the values will remain correct when you open the Rec Rules
dialog.
Data Pattern Mask and Match
If you select Data Pattern as the Event, you can set Data Pattern event properties in the
Event Properties dialog.
Click the ... button at the right of the first line to display the Data Pattern dialog (see