XF86AudioMute
  pamixer --toggle-mute

XF86Audio{Lower,Raise}Volume
  pamixer --{decrease,increase} 1

@XF86AudioMicMute
  pamixer --source 2 --toggle-mute

XF86MonBrightness{Down,Up}
  light -{U,A} 0.5%

# XF86Display
# XF86WLAN
# XF86Tools
# XF86Search
# XF86LaunchA
# XF86Explorer