Tab DOP• DOP displayed in graph Tab Power Power display in graph8.7.3 DemoVarInfoThis VI starts a VISA session with a device (here: at port COM1 with115200 kBaud) and receives its model code. Afterwards the VI readsthe variable information from the specified tree and variable number andshows the results in the appropriate fields.9 GPIB/RS232 Command ReferenceThis chapter summerizes all available (ASCII-) commands with their syn-tax and parameter lists. ASCII commands can be used for device com-74 A1XXX/A2XXX/A3XXX User Guide