Have you tried to download LabVIEW GPIB drivers for that instrument? follow this link, and you'll have the oportunity of doing almost anything and have a good start point.
http://zone.ni.com/idnet97.nsf/9b2b33e1993d877786256436006ec498/2a9b82d24c3c6e91862568ab005fbc82?OpenDocument
Hope this helps