ADV_Start()

function ADV_Start()
%ADV_START Launches the Advanced Data Visualization program.

global g_ADVVendor
global g_ADVAddress

% Check to see if the I/O configuration file exists
if exist( 'AgilentADVConfig.mat', 'file' ) == 0
    g_ADVVendor = 'agilent';
    g_ADVAddress = 'TCPIP0::localhost::inst0::INSTR';
    IOConfig;
else
    vars = load( 'AgilentADVConfig.mat', 'vendor', 'visaAddress' );
    g_ADVVendor = vars.vendor;
    g_ADVAddress = vars.visaAddress;
end

% Display the ADV figure
retry = 1;
while retry
    try
        ADVFigure;
        retry = 0;
    catch
        resp = questdlg( 'Could not connect to the spectrum analyzer.  Would you like to edit the I/O configuration?', ...
            'I/O Error', 'Yes', 'No', 'Yes' );
        if strcmp( resp, 'Yes' )
            IOConfig;
        else
            retry = 0;
        end
    end
end