Instruction Manual

Applications: Digital to Analog Conversion
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D/A Conversion of ADAT Audio Using AES/SPDIF Clock
In this configuration, an incoming ADAT digital audio signal is converted to analog while the 2192 is
synchronized to the clock of an AES or SPDIF signal. (The audio portion [if any] of the external AES or
SPDIF signal is ignored.)
To perform ADAT D/A while synchronized to AES or SPDIF clock:
1. Connect the 2192 rear panel analog line outputs to the analog inputs of the destination
device (patch bay, mixer, DAW, etc).
2. Using an appropriate optical cable, connect the optical output of the external ADAT digital
audio source device to the 2192 rear panel ADAT input.
3. Using an appropriate digital cable, connect the digital output of the external AES/SPDIF device
that contains the digital clock signal to the desired 2192 rear panel digital input.
4. Set the 2192 Clock knob to AES/SPDIF. Use the AES/SPDIF switch to specify AES or SPDIF.
5. The 2192 Sample Rate is defined by the AES/SPDIF digital input (the Sample Rate knob is
ignored). The selected sample rate is used by all four 2192 rear panel Word Clock outputs to
enable synchronization of external devices.
6. Set the 2192 Analog Outputs knob to ADAT.
7. Set the external AES/SPDIF device to transmit digital clock.
8. Set the ADAT digital audio source device to transmit digital audio.
9. Set the ADAT audio source device to synchronize to either the external clock master, or to the
clock output of the 2192.
D/A conversion is performed only when the 2192 is locked (the external clock must be running) and
digital audio is present at the digital input. The Locked lamp glows green when the 2192 is
successfully synchronized to an external clock source.