To set the FN system to request the download from your modem:

Select Investments | Navigator Access
Type in date
Select View | IDC Settings
Change "Connection Type" to "modem"
Type in access phone numbers
(obtain by calling FT Interactive Data 800-432-5463)
Select modem type
Select line speed based on your modem type
Select OK

This will direct FN to go to FT Interactive Data site for prices directly via your modem.