1.  Turn off the GDS-200/300. 
2.  When the PC is on, connect the USB cable from 
the GDS-200/300 to the PC.  
3.  Turn the GDS-200/300 on. 
4.  Access the Menu tray by pressing the title bar. 
Go to Utility>USB device port and set the 
device port to Communication. 
5.  The PC will now recognize the unit as a new 
device and ask to search for the driver.  
6.  Direct the driver installation wizard to the USB 
device driver (dso_vpo.inf) on the User Manual 
CD.