All hardware that is to be used with the Clinical Gait PAF module has to be installed by a qualified person. Its operation is verified during installation.
The recommended measurement frequency (frame rate) for the motion capture cameras (both marker-based and markeless) is 100 Hz.
Information about the recommended lab setup for the Clinical Gait PAF module can be found in "QCS - Installation guidelines". Contact Qualisys AB to receive a copy of this document, if required.
Another good source of information is online Getting Started Guide.