signal sender=:1.3 -> dest=(null destination) path=/com/nokia/mce/signal; interface=com.nokia.mce.signal; member=tklock_mode_ind
   string "unlocked"
signal sender=:1.0 -> dest=(null destination) path=/org/freedesktop/Hal/devices/platform_kb_lock; interface=org.freedesktop.Hal.Device; member=PropertyModified
   int32 1
   array [
      struct {
         string "button.state.value"
         boolean false
         boolean false
      }
   ]
signal sender=:1.3 -> dest=(null destination) path=/com/nokia/mce/signal; interface=com.nokia.mce.signal; member=display_status_ind
   string "on"
signal sender=:1.0 -> dest=(null destination) path=/org/freedesktop/Hal/devices/platform_kb_lock; interface=org.freedesktop.Hal.Device; member=Condition
   string "ButtonPressed"
   string "cover"
signal sender=:1.0 -> dest=(null destination) path=/org/freedesktop/Hal/devices/platform_kb_lock; interface=org.freedesktop.Hal.Device; member=PropertyModified
   int32 1
   array [
      struct {
         string "button.state.value"
         boolean false
         boolean false
      }
   ]