Other than looking at the sources, passes or scheduled recordings.
I'm sure I'm not the only one that runs more than one Channels DVR server.
The display doesn't show the :port, but this one is 192.168.1.4:8190
My other servers are at
192.168.1.4:8089, 192.168.1.4:8189, 192.168.1.4:8289, 192.168.1.4:8389 and 192.168.1.4:8489