setup MMSSTV & icom 756 pro 2


hey ya'll so this is my setup i have a home-built PC running win 10 and a Icom IC-756 Pro 2 connect to the PC via a USB cable and a audio cable going into a USBĀ  sound card with the sound out patched into a mix board i con not for the life of me figure out how to rx into my rig any help would rockĀ