4 Calibration, Verification, and Service
7. After the STMicroelectronics software has installed, you must also install the USB driver.
If you have a 64-bit operating system, go to C:\Program Files (x86)\STMi-
croelectronics\Software\DfuSe v3.0.5\Bin\Driver\Win7\x64. Then run dpinst_amd64.exe
If you have a 32-bit operating system, follow the same path except go to the x86 folder and run
dpinst_x86.exe
8. Turn off the ac source and remove the two screws that hold the optional interface board or slot cover
in place on the instrument's rear panel. Set the interface board or slot cover aside.
9. Push the switch at the back, bottom of the slot into the down position.
10. On your PC desktop, find and open the DfuSeDemo application. When the screen shown below
appears, click Choose... in the Upgrade or Verify Action section of the screen.
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Keysight AC6800B Series Operating and Service Guide