Aug 28, 2008 · There are 62 keys that are broadcast with the Shift+Control+Alt modifier, with the intended use to be with X-Keys Pro. I use these for my G15's 18 macro keys. There are no broadcasts using two combined modifiers, so that could be added for extra broadcasted keys if you have a full X-Keys keyboard you'd like to use alongside a regular keyboard.
Find the Start menu or Start Orb on your screen, usually in the lower left. Click Programs or All Programs. Find AutoHotkey in the list. You should then see AutoHotkey Help File.