Got it to work on radio channel. On 101 KU, 12000 V 20000, WRAL scans in on a blind scan, however it has no audio. Change VPID to 0, change APID to a Muzak/Mood APID, change PCR PID to 0, hit Save. The audio will then change when you exit the menus.
HOWEVER, if you change away from that channel...