For me, just set the time and I'll try to be available. Usually, it's not too bad in cavern for me, but it seems I can only stay in so long. I always get either net 6'd, usually when there's a lot of people on, or after so many links I get stuck on the link transfer page and have to manually shut uruexplorer down.
I may have to be the picture taker again, so I can stand back and 'stay alive'. LOL