5.3.2 Audio


  • Master volume – set the master volume based on the desired call volume, then adjust other sound volumes as needed. This setting affects the volume of all sounds.


  • Adaptive volume – enable Adaptive Volume mode, which gradually increases the device volume based on the difference between the measured Current Noise Level and selected Sensitivity Threshold, up to the set Maximum Gain value. This setting further increases Master Volume.
  • Maximum gain – set the Maximum Gain that can be applied on top of the Master Volume once the Current Noise Level surpasses the Sensitivity Threshold.
  • Sensitivity threshold – set the ambient noise threshold that determines when the volume starts increasing.
  • Current noise level – display the current ambient noise level.
  • Current adaptive gain – display the current adaptive gain of the master volume. The value is determined by the difference of the Current noise level and Sensitivity threshold and never exceeds the Maximum gain value.



  • Button Press Volume – set the Button Press Volume. The volume values are relative against the set master volume.
  • Warning tone volume – set the volume of warning and signaling tones described in the Signaling of Operational Statuses section. The value is relative to the master volume.
  • Switch activation tone volume – set the volume of switch activation tone. The value is relative to the master volume.
  • User sounds volume – set the volume of user sounds played by automation. The value is relative to the master volume.



  • Noise Detection Enabled – switch on automatic detection of noise or microphone noise level threshold exceeding. Process the threshold exceeding alarm using Event.NoiseDetected and assign it to other user actions. 



  • Noise Level Threshold – set the microphone noise level threshold for alarm setting.
  • Alarm Start Delay – set the time interval during which the signal must be above the threshold to start alarm. 
  • Alarm End Delay – set the time interval during which the signal must be below the threshold to stop alarm.

  • Noise Level Graph – display the signal level history. Red designates alarm activation.