1. Damage control team: I leave it blank until I need it. Then click and drag crew to the positions. You can activate/deactivate it w/out there being anyone in the control team. After the damage has been fixed, put them back into their respective positions.
2. Not sure. I think everyone is at battlestations. I've never thought about where and what everyone else is doing. It may be watch #1, though I'll check this to make sure. Like try to remember what everyone looks like.
3. Yes, its a percent. If its really good, it's 1 out of 1, or something. .5 or something is 50%, I guess. I read this somewhere and will try to edit the link later.
4. That's strange. How's their fatigue? They should sleep when everyone else on that watch sleeps.
5. I dont play at manual TDC. Too difficult to understand. But I'm 100% certain there's a post about it here. I'll edit the link.
edit: #4:
http://www.subsim.com/radioroom/showthread.php?t=112858
edit: #1:
http://www.subsim.com/radioroom/showthread.php?t=112718
edit: #3:
http://www.subsim.com/radioroom/showthread.php?t=112353
for #3 you have to read down a little...