Hmmm... you use the F Keys often?! :P
What I would do is, if it isn't in the controls for the Keyboard which came in the software then e-mail them about it. They'll probably know a quick and easy way.
A Knight is sworn to Honour. His heart knows only Virtue. His blade defends the helpless. His might upholds the Weak. His word speaks only truth. His wrath undoes the Wicked.