FAQs from Rohde & Schwarz

How to connect HMExplorer to the instrument


My HMExplorer does not connect to the instrument

Error when adding a device. The interface could not be opened.


The latest version of the HMExplorer should be located at



Proceed as follows:

Open your device manager

Check the box for 'Load VCP'

Unplug the HAMEG device (e.g. the HMP4040)

Wait about 10 sec

Plug it back in

You should now see: