Keithley 4200A-SCS Reference Manual page 1244

Model 4200A-SCS Parameter Analyzer Reference Manual Appendix G: Using a Cascade Microtech PA200 Prober
7. From the ProberBench NT window, double-click the PB-GPIB file.
Figure 638: ProberBench NT window
8. From the ProberBench GPIB Interface, from the Configure menu, select Interface Driver.
Figure 639: ProberBench: GPIB interface
4200A-901-01 Rev. C / February 2017 G-9