Help APPLICATION STATUS BARP Station ID Shows the current configured BARP protocol station ID. Current Status Shows the current application status. AUDIO LEVELS Input Level Shows the current audio input level, measured at the encoding stage, in dB full-scale, max. value is 0 dB. Output Level Shows the current audio input level, measured at the decoding stage, in dB full-scale, max. value is 0 dB. KEYBOARD LAYOUT Shows a picture with the location and the functionality of the buttons, for the current device.