KeyboardType = PLA-DSP500
AudioLowerVolume = /usr/bin/amixer set PCM 2-
AudioLowerVolume+shift = /usr/bin/amixer set Mic 2-
AudioMute =
AudioRaiseVolume = /usr/bin/amixer set PCM 2+
AudioRaiseVolume+shift = /usr/bin/amixer set Mic 2+