In addition, I was confusing Exposee (what is now called Application Windows) with Mission Control, which displays a flyout of running apps on the current Desktop, a list of desktops across the top, and the dock. Set your keyboard equivalent for Mission Control, which I am used to doing the 4-finger up-swipe from the touchpad.
I actually came across this thread because I am using Synergy 2 to remotely control my Mac, from a PC with a standard PC keyboard. The "CTRL-1", etc. settings in System Preferences actually translate to Alt-1, etc. from the PC keyboard.