I guess it was too good to be true. Those things are selectable but nothing comes out of them.

[update] - looks like I spoke too soon. I am able to get direct guitar as well as rig out to my DAW. Very cool indeed. It's a shame that connecting the USB interrupts or somehow messes with the tap tempo delay. I may not worry about it because the whole point of recording a dry signal would be to re-amp it later anyway so it's less critical that it be recorded 100% properly regarding the processed output.

Most of the time I would probably want to record the amp output without any delay or reverb, then add those in the DAW. Part of me likes to print effects just to reduce the number of decisions later on, but I've found recently that too much reverb on a rhythm guitar part reduces its punchiness.