I understand,however since the OP is looking into this specific system himself I would have thought that he would have started by having a look while in flight and that it would be a normal thing to do...
Look how it works from the outside and see if you can get some out of it..
When I have an Fo staring at a panel,if not snoozing with his eyes open,I am asking 'whats up?' and then they normally fire away the question...