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User's Guide Fireface UCX © RME
24. Examples
24.1 8-Channel AD/DA Converter
TotalMix' super-flexible routing functions make it easy to turn the UCX into an 8-channel AD/DA
converter. The easiest way to do this is by loading the Setup Ad while the UCX is offline. Read
above how to do this. Still easy and giving many more options is to build the setup yourself. For
a clean start perform a Total Reset from the Options menu. Then select the ADAT Output 1/2 in
the third row, and pull up the faders of the Mic input 1/2 in the first row. Then select ADAT 3/4,
pull up Analog 3/4 and so on until all 8 analog inputs are routed to the corresponding 8 ADAT
channels. Now do the same for the analog outputs, route all ADAT inputs to these one after the
other. A monitoring of all or selected I/Os can be easily set up for the SPDIF output, or as ana-
log mixdown on one of the analog outputs.
24.2 2-Channel Mic Preamp
Use TotalMix to route the two microphone inputs directly to the analog outputs. This turns the
Fireface UCX into a 2-channel microphone preamp. The AD- and DA-conversion will cause a
small delay of the audio signal of around 0.086 ms (at 192 kHz, see chapter 37.2). But this is
nothing to worry about, as it is the same delay that would be caused by changing the micro-
phone's position by about 2.5 centimeter (1 inch).
24.3 Monitor Mixer
TotalMix allows ANY configuration of all I/Os of the Fireface. For example, set up the device as
monitor mixer for 8 analog signals, 8 digital via ADAT and 2 via SPDIF. Additionally, TotalMix
lets you set up ANY submixes, so all existing outputs can be used for different and independent
monitorings of the input signals. The perfect headphone monitor mixer!
24.4 Digital Format Converter
As TotalMix allows for any routing of the input signals, the Fireface UCX can be used as ADAT
to SPDIF/AES converter, ADAT to two SPDIF splitter, two SPDIF to ADAT converter, and
SPDIF coax to optical converter.
24.5 Analog / Digital Routing Matrix
The Matrix in TotalMix enables you to route and link all inputs and outputs completely freely. All
the above functionalities are even available simultaneously, can be mixed and combined in
many ways. Simply said: the Fireface UCX is a perfect analog/digital routing matrix!
24.6 External Interface for Apple’s iPad
®
and iPhone
®
In Class Compliant mode the UCX performs as analog and digital front-end for Apple’s iPad (all
versions), and since iOS 7 also for the iPhone. With this not only flexible high-grade inputs for
line and microphone are available for these devices, but also high-quality analog outputs. Se-
quencer or synthesizer apps can be played with normal keyboards via MIDI. The sounds gen-
erated within the mobile devices are directly PA compatible when played over the balanced line
outputs of the UCX. See chapter 29 for more details.
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