Gary,Yes, you can use WinScan780 without the scanner to design your frequency files. However, if you click on the Connect Scanner button, you may experience a lock up of the software.
If anyone has any further questions, please do not hesitate to ask!
Warmest Regards,
Adam Goldman
President
Pozilla Software
Tech Support - support@pozillasoft.com
Product Info - products@pozillasoft.com
Pozilla Software