VU (Volume Unit) meters are located right above the Volume control sliders throughout the Mixer.  The calibration of the VU meters can be changed to suit your preference.  

Click the label below the Mute button in the Headphone control at left to open a small menu offering three options as follows:

  • dBVU – most familiar to users of typical analog audio mixers
  • dBFS – dB ‘Full Scale’ – the digital standard; see notes under the heading Audio Headroom in Section 3.12
  • dBu – based on a voltage of 0.775 VRMS (a shy scale rarely seen in public, supplied for completeness, comparison, and the amusement of audiophiles)


Section 15.4

For more information please download the entire document at

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