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Prism Sound Atlas
· USB 2.0 device port for connection to host computer (cable supplied).
· Wordclock output and input BNC sockets: the Wordclock output can supply base-clock or 256x
clock if required. See the
· MDIO module slot: allows connection to a non-USB host via an optional MDIO (multi-channel IO)
expansion module, as described in the
· MIDI output and input DIN connectors: allows connection of MIDI equipment.
· TOSLINK output and input: can be used for S/PDIF (up to 192kHz sample rate) or ADAT
(44.1kHz/48kHz, or 88.2kHz/96kHz in SMUX mode). See
· S/PDIF output and input RCA sockets: these can also be operated as AES3 interfaces (RCA-XLR
and XLR-RCA adapter cables supplied). See
· Line output TRS jacks 1-8: switchable +4dBu/-10dBV level, can operate in balanced or unbalanced
mode. See
Analogue
· Mic/Line input combos 1-8: with 10dB to 65dB finely-adjustable gain and switchable -20dB pad
phantom power for microphones, switchable +4dBu/-10dBV sensitivity in balanced or unbalanced
mode for line inputs. See
5.4.1
Fuses and ratings
TO PREVENT SHOCK HAZARD, THE ATLAS HARDWARE SHOULD ONLY BE
OPENED BY QUALIFIED PERSONNEL. REMOVE THE POWER LEAD FROM THE
UNIT BEFORE REMOVING THE TOP COVER.
Fuse locations and ratings are as follows:
FUNCTION
Mains
Note that no fuses or any other user-serviceable parts or options are located inside the Atlas
unit.
5.5
Stand-alone operation
It is possible to operate Atlas without a connection to a host computer. This is done by setting up the
unit as required using the Atlas Control Panel app whilst it is connected to a host computer via its
USB interface, then placing the unit in standby by pressing the standby button, before disconnecting
the unit from the host and power source. When the unit is re-powered, and detects that no USB
connection is active, it reloads the settings which were previously stored.
Since all of the outputs have optional mixers within the Atlas hardware whose inputs include all of
Atlas's input connectors, it is possible, for example, to connect the digital input pair to one or more
analogue output pairs, and to connect the analogue input pairs to the digital output pair. The
synchronization source and sample rate can be set in the usual way. Thus stand-alone mode can be
used to configure a stand-alone D/A converter and A/D converter, with static mixing if required.
NOTE: If, during stand-alone operation, Atlas is set to use an external synchronization source,
i.e. DI, Wordclock or ADAT (only available in ADAT modes), then the sample rate is
automatically changed to follow the sample rate of the external synchronization source. If the
© 2014 Prism Media Products Ltd
Synchronization
section.
MDIO expansion slot
outputs.
Analogue
inputs.
LOCATION
Rear panel
Operation Manual
section.
Digital inputs
Digital inputs
and
Digital
500mA(T), 20mm, glass
Revision 1.00
and
Digital
outputs.
outputs.
TYPE
1.32
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