Precision Flight USB C2 Professional Flight Console and X-Plane 9 - Manual (Page 11)

Calibration of the Cirrus 2 Professional (C2 Pro)
1. If computers are already on, make sure that X-Plane is not running
2. Go to Start then PFC, then, choose PFCHardwarecalibration.exe.
3. Under Available Devices, choose C2 Pro. After choosing this, the Available Items to Calibrate, will list
the items that can be calibrated in the C2 Pro.
4. From the Available Items to Calibrate, choose the Elevators.