Hi,

  This usage really depends on Cubase and it's ability to have those functions MIDI mapped.

  It would also require an extra MIDI interface.

  Having said that, the HD500 will send MIDI CC messages so it is possible:

  http://l6c.scdn.line6.net/data/l/0a06434dc7704ca4b3b26b924/application/pdf/POD%20HD500%20Advanced%20Guide%20%28Rev%20F%29%20-%20English.pdf

  Page B.1

  Thanks,

  David

  Line 6 Customer Support