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Cyrus DAC XP Signature
MC-BUS
MC-BUS operation
Connecting the MC-BUS sockets c of the DAC XP Signature
in an MC-BUS system provides unified system power control.
With MC-BUS connections established the power function
of all connected Cyrus components may be controlled from
the DAC XP Signature front panel or remote control. Refer
to the following table for Cyrus components that will be
activated by the DAC XP Signature when the inputs have
been named as listed -
Input name Power on response
cd
CD players, power amplifiers
TuNeR
Tuners, power amplifiers
AV
DVD players, power amplifiers
cyRus AV
DVD players, surround decoders, power
amplifiers
dVd
DVD players, power amplifiers
Follow the instructions in section 'Setting up the DAC XP
Signature' to set the listed input names.
All connected components will also set to Standby when the
DAC XP Signature is set to Standby.
MC-BUS connection
An MC-BUS loop is established by connecting single phono
cables from the MC-BUS output of one unit to the MC-BUS
input of another. Complete the loop by returning the MC-
BUS output of the final component to the MC-BUS input of
the first. The diagram shows an example of MC-BUS wiring
for a Cyrus DAC XP Signature with a CD player, tuner and
power amplifier.
Cyrus CD player
MC-BUS out
Cyrus DAC XP
Signature
MC-BUS out
MC-BUS in
Cyrus Streamer
MC-BUS out
MC-BUS in
Cyrus
Power Amplifier
MC-BUS out
MC-BUS in
External Power Supply - PSX-R/PSX-R
The PsX-R is a unique dc power supply that will upgrade
the sonic performance of compatible products in the Cyrus
range. The PsX-R
is a performance upgraded version of
2
the PSX-R. Both of these power supplies are compatible for
connection to the DAC XP Signature.
The following text refers to the use of the PSX-R, but applies
also to the PsX-R
.
2
To connect a PSX-R, disconnect both components from the
mains, then plug the connector on the umbilical cord of the
PSX-R into the Multi-Pole socket on the back panel. You will
need a mains supply for both units.
NOTE: Connection of a PSX-R is detected automatically, so
no internal adjustments are required.
How it works
When a PSX-R is connected to a Cyrus product, the power
feeds to the internal circuitry are split two ways with the
clean, stable power source of the PSX-R feeding sensitive
circuit sections while other requirements are supplied
internally. This ensures complete isolation of control circuits
and sensitive analogue sections reducing AC mains-borne
noise and power supply ripple.
Connecting to the AC Mains Supply
Connect the socket on the AC Power cable to the Power inlet
1@ on the rear panel. Now connect the cable to a suitable AC
power point.
NOTE: The means to disconnect this product from the
mains supply is the mains plug. Ensure that the mains plug
is accessible at all times.
5
User Instructions
2
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