The casino is divided into two sections; the old part is called Four Seasons, the new part is called Dream Catcher.   There is a lettering system that determines the section of slots with numbers that follow which determines the bank and finally the position of the machines.  The following are the letters that correspond to the sides:

Old side: Alpha, Beta, Delta, Edward, Foxtrot, Golf, Hotel
New side: Papa, Quebec, Romeo, Sierra, Texas, Uniform
10 codes and C codes are also used.