How to Display Heading or Direction of Travel in Gauges?

For sailboat racing videos, I'd like to display three data points:

Speed; Roll and; Heading.

Speed and Roll are no problem. Although I've seen heading in the gauges of other people's videos, I can't seem to find it among the data options. 

I just need a number (e.g. 270 degrees), not a compass. With all the crazy data points available, Heading must be there somewhere.

Any help will be appreciated.

And another weird question: Does virb Edit autosave? Because I don't see a Save button.