16
Volume Up/Down:
Using rotary control on
front panel or VOL UP/VOL DN buttons
on remote, increases/decreases overall
volume level of both channels equally
for whichever input has been selected.
Caution: do not turn up volume beyond
normal listening levels when “Mute” is
engaged to avoid unexpected or possibly
damaging sound levels. It is a good idea to
reduce volume whenever changing program
sources, even when muted.
Input:
Moves the selection bar up or down
on the display. Turn the Input knob to the
left or right to highlight an input, and then
press the ‘Select’ button to choose that
input. Also use the Input knob to move
the selection bar to the desired function or
folder when navigating the settings menu
or music folders. Function also on remote
(Up and Down arrows on navigation pad).
Remote Control only Functions
Filter:
Selects between Sharp or Soft digital
filter algorithms.
Mono:
Sums L and R input for mono output
from any source selected.
Sample:
Selects between the native sample
rate of the incoming signal or integer-
based upsampling (Ethernet client board,
Media server, iPod, internet radio, USB
stick, max is 88.2 and 96kHz, SPDIF inputs,
max is 176.4 and 192kHz, and USB2.0HS,
upsampling is selected in the computer;
not done in hardware).
Invert:
Inverts absolute phase of the output
signal.
Input:
Toggles through the different digital
inputs.
Repeat:
Toggles the Reference DAC between
Repeat All and Repeat One track and no
repeat.
Shuffle:
Toggles the Shuffle feature on and
off. Shuffle instructs the Reference DAC
to randomly select tracks from a device or
folder.
Note
Repeat and Shuffle only function with the
following inputs: Media Server, Ipod Dock,
USB Input.
Hours:
When pressed, displays number of
operating hours vacuum tubes have been in
service.
Warning
After replacing tubes, this function should be
reset to ‘0’ only by a qualified technician.
Hours display can be reset to ‘0’ by pressing
black button labeled located on upper
right corner of circuit board directly behind
display window. The unit must be “On” to
reset function – the service technician must
be careful to avoid any contact with other
circuit components during reset operation.
Contact Audio Research customer service
(763-577-9700) for information regarding
this procedure.
Operation
Summary of Contents for reference dac
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