<append key="input.keymap.data" type="strlist">0x43:brightnessdown</append> <!-- Backlight Down (F9) -->
<append key="input.keymap.data" type="strlist">0x44:brightnessup</append> <!-- Backlight Up (F10) -->
<append key="input.keymap.data" type="strlist">0x57:volumedown</append> <!-- Volume Down (F11) -->
<append key="input.keymap.data" type="strlist">0x43:brightnessdown</append> <!-- Backlight Down (F9) -->
<append key="input.keymap.data" type="strlist">0x44:brightnessup</append> <!-- Backlight Up (F10) -->
<append key="input.keymap.data" type="strlist">0x57:volumedown</append> <!-- Volume Down (F11) -->