B&K Reference 20 Plus Owner's Manual page 13

 
5. Status indicators - Displays current status of the processors audio processor. Indicators have been supplied
to show when the DSP is decoding Dolby Digital ' Digital', Dolby Pro Logic ' Pro Logic', or DTS audio.
There is an indicator to show the input to the S/PDIF digital receiver is 96kHz 24 bit data '96/24' or an analog
input that is being sampled using 96kHz/24bits. Finally, there is an indicator to show processed audio is sourced
from the selected analog input 'Analog'. See MODE OPERATION
6. Display - The processor display is a 16 character alphanumeric fluorescent display. Displays current status of
processor and any changes being performed.
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