Keithley 4200-SCS Reference Manual page 1554

Appendix I: Micromanipulator 8860 Prober
NOTE:
17. Set overdrive (user preference).
a. Click the DN button (pcNav window) then press the Set Z UP/DN button
b. Lower the platen to the point where you see good clean probe marks. At this point, click
c. Click the OVD button in pcNav to Ensure that the overdrive will be used
18. Click Done.
Figure I-24
Set Z UP/DN button
Figure I-25
SET Prb8860 Up/Down/Ovd window
Figure I-26
Down pushbutton
I-14
If the pins are not aligned to the same plane, excessive overdrive / scrub may result
(overdrive is the Z-height change necessary to exert adequate contact pressure on
the pad). Keep this as equal as possible when manually setting the pins on the
pads. Using uneven contact pressure to overcome planarization problems can
cause faulty test results or damage to the pad.
Once the SET Prb8860 Up/Down/Ovd window opens
Pt button.
the Set 2nd Pt button
Test the settings by pressing the UP and DN buttons
Return to
(Figure I-25).
Section Topics
Model 4200-SCS Reference Manual
(Figure
(Figure I-25), press the Set Base
(Figure
(Figure I-26) in pcNav.
4200-901-01 Rev. S / May 2017
I-24).
I-19).