How can you find out what "slot AC" is for example

Go to settings, click on the Custom Scenario link in the settings window and you'll find the distribution for all slots and the players who will be playing them

thanks so much!!

Worth noting, though, that the colors that show up in the scenario viewer are the slot code's default color (A = Blue, B = Teal, C = Purple, D = Green, E = Orange, F = Red... and so on). Some people oftentimes mistake the slot color in the scenario viewer with their own; for example, a newcomer using Yellow color might mistake his slot for Slot Q (Yellow) when checking the viewer.

Edited 8/31/2016 14:20:36