Cambridge Audio Upsampling Digital to Analog Converter azur DacMagic User Manual page 11

azur DacMagic
Indicates the output phase selected. Press and the Filter/Phase select button for approximately
two seconds to select normal or inverted phase output. When the LED lights up, the phase is inverted
by the DacMagic.
If you suspect that your source material or amplifier, etc., is inverting the phase of the musical signal,
you can use this function to re-invert the audio and regain absolute positive phase.
In the presence of an incoming digital stream, the relevant LED will light up to indicate the incoming
digital sampling frequency (between 32kHz and 96kHz LPCM).
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