signal edges change relative to the Data Strobes (clock input) and this will be close the valid eye openings for all the Data signals. Run Auto Sample Position Setup and/or Auto Threshold as required to establish correct Threshold settings, valid eye openings, and sample positions for these signals. Move the sample positions for all the Read_Data labels (rising and falling) to the center of the valid windows.

4.Once the Sampling positions have been correctly set for all labels in the configuration file, save the sample positions by saving the configuration file.

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Agilent Technologies FS2334 user manual