AYRE QB-9DSD - Manual (Page 16)

Display Brightness
The AyreLink communication system can control
the brightness level of the display on the QB-9
DSD .
Changing the brightness level on the display of
other linked components will cause a matching
change in all linked components, including the
QB-9
DSD D/A converter.
Display Off
The front panel display of the QB-9
DSD
may be
turned off if desired. Set the small toggle switch to
“Disp Off”, and only one blue LED will illuminate.
The blue LED will follow the behavior described
under the section “Power Mode” above. When
set to “Power A”, the LED will light when the
computer is turned on. When set to “Power B”,
the LED will light only when the QB-9
DSD is
receiving a music signal.
In either power mode, when the D/A converter first
receives an audio signal or when the sample rate
changes, it will display the sample rate of the music
file for two seconds and then revert to the single
blue LED.
USB Audio Input Speed
USB Audio devices may connect to the computer at
two different speeds. The first is known as “Class 1
Audio” and is supported by all operating systems
(e.g., Windows, Mac OS X, Linux). Class 1 Audio
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