When you unzipped the driver, where did you install the hp34970A folder that was created? It should be under your LabVIEW\instr.lib folder. When there, after restarting LabVIEW, you should have a menu item called HP34970A DAQ/Switch Unit on the Instrument I/O>Instrument Driver palette. From there, there is submenu called Examples with 6 different functions listed.