PZn data is low pass filtered in Synapse
Tech Note: TN0984
Product: Synapse
Version: 84.0.34769
Date Added: 2017-06-12
Issue
If using a PZ2, PZ3, or PZ4, there is an erroneous 1 kHz low pass filter applied to the signal.
Solution
Update to the latest version of Synapse from the downloads page.