La description

When the software program starts, the front panel image of the connected DL (M) Series appears on the monitor of your PC. You can control the DL (M) Series from your PC with the mouse to simulate operations using the front panel keys of the instrument.
XWirepuller enables the DL (M) Series to be controlled from your PC via the Ethernet, USB, or GP-IB interface. When the software program starts, the front panel image of the connected the DL (M) Series appears on the monitor of your PC. You can control the DL (M) Series from your PC with the mouse to simulate operations using the front panel keys of the instrument.''