promiscuous mode. scanner

Hi all, just got a GD-77 this week, but the manual sucks. Anybody know if this radio has a promiscuous mode?

Hey everybody, this is just a quick question. I don't really care about being able to put the entire csv file into the GD-77 as you can the 380 for the DMR users. The main feature I'm interested in is the promiscuous mode, I don't have either radio but it seems that the experimental firmware...