Keithley 2601B Reference Manual page 117

Series 2600B System SourceMeter® Instrument Reference Manual Section 2: General operation
Figure 43: Select Operation dialog box
3. Click Next. The Select Communication Bus dialog box is displayed.
Figure 44: Select Communication Bus dialog box
4. Select USB.
5. Click Next. The Select Instrument Driver dialog box is displayed.
2600BS-901-01 Rev. B / May 2013 2-93