Yes, it is mentioned every 5-10 minutes on the the last night at sea. They mention it often enough that people shouldn't foget..
As for losing the money, well, the only true way to lose it is to walk away from the machine before you check to see if you have no credits left to play. The key to look is for the COL to flash in the credits part of the machine. It will let you know that the money is on the sail and sign card....
2007 Victory & Triumph
2008 Conquest & Liberty
2009 Valor, Freedom, and Splendor
2010 Glory and Liberty
I gotta go where it's warm.....
Over 40 victim of fate.....