User's Guide Fireface UFX © RME
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10. Operation under ASIO
10.1 General
Start the ASIO software and select ASIO Fireface USB as the audio I/O device or the audio
driver.
The Fireface UFX supports ASIO Direct Monitoring (ADM).
The Fireface UFX MIDI I/O can be used with both MME MIDI and DirectMusic MIDI.
10.2 Channel Count under ASIO
At a sample rate of 88.2 or 96 kHz, the ADAT optical input and outputs operate in S/MUX mode,
so the number of available channels per port is reduced from 8 to 4.
At a sample rate of 176.4 and 192 kHz, the ADAT optical input and output operates in S/MUX4
mode, so the number of available channels is limited to 2.
Note
: When changing the sample rate range between Single, Double and Quad Speed the
number of channels presented from the ASIO driver will change too. This may require a reset of
the I/O list in the audio software.
Single Speed Double Speed Quad Speed
Fireface Analog 1 to 12 Fireface Analog 1 to 12 Fireface Analog 1 to 12
Fireface AES L / R Fireface AES L / R Fireface AES L / R
Fireface ADAT 1 to 16 Fireface ADAT 1 to 8 Fireface ADAT 1 to 4
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