Audacity software will not work with Digitech Audio model G

I have Windows 7 on a 64 bit operating system. Installed Audacity 2.0.3 plus the Lame plug-in. Supposed to work with Digitech Audio USB cassette player Model No. 4140. No way can I get it to work. The cassette player works OK with Roxio NXT. Won’t work with Audacity. Can anybody help as I like the look of the Audacity interface better than the Roxio.

Ensure that the Digitech Audio USB cassette player is connected to the computer before you open Audacity (close and restart Audacity if necessary).
Ensure that the USB cassette player is selected as the recording input in the device toolbar. Your usual sound card should be selected as the playback output device.