Hello,
I installed Manjaro the other day but cannot build easy-slow-down-manager to get make the key work as i use to do with Debian. Any clue? I'm not really familiar with arch so it might be the reason too ...
http://pastebin.com/pqYgnSv4
Arch & brightness FN keys
[FIXED] Arch & brightness FN keys
I still can't install easy slow down manager but manage to make the backlight work : xbacklight didnt allowed small value work with 13 instead of 10