The keyboard is so far okay, except that someone has come with Logitech on the stupid idea to put F key as an extra key.
Nice that there are extra functions that enable key you have with the FN, but why the F keys that you frequently need?
In order to press Alt + F4 now I have to press Alt + Fn + F4, fast acting eg in Game, you can forget it, just like simple functions such as F5 to refresh are cumbersome because you always until the FN needs to press button.
Any other keyboard with FN key functions are built when you press the FN, only activates the special functions, but not the F key, that's pretty much the stupidest thing I've ever seen on keyboards.
I can not tell that he needs the special function keys more than the F keys.
Well okay, I've then thought simply kleb the FN key fixed so that it is permanently activated and I can press the F key easy, but is the FN key is activated, you can not use other shortcuts such as Ctrl + T.
Either I can just use the F keys or other codes can not have both. A normal use of the keyboard, such as at 99% of all keyboards is not possible. Largest scrap I have ever seen from Logitech, I am disappointed.