Rapnas MF-1, Руководство пользователя

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Mode and initial display of DAC
• There are three modes depending on the usage conditions of the DAC, and this mode is displayed on the OLED at the
beginning of system startup.
◆
Release Mode
Condition under which the built-in USB-DAC is released to
the outside. (OLED display status is Figure1)
As shown in Figure4, nothing is connected to the DAC-IN.
Or when it is connected to an external personal computer
via a conversion cable. It is a mode to connect with
foobar2000 etc.
◆
USB-DAC Mode
Figure 4 Figure 5
As shown in Figure5, DAC-IN and USB port are connected
by conversion cable B. And the output device setting of the
volumio playback option described later is "RAPNAS USB
audio 2.0". (OLED display status is Figure2)
It is a mode that USB-DAC is preferentially used in volumio.
Playback of PCM and DSD (Native) sound source Is possible.
◆
I2S-DAC Mode
As shown in Figure5, DAC-IN and USB port are connected
by conversion cable B. And the output device setting of the
volumio playback option described later is “RAPNAS I2S-
DAC". (OLED display status is Figure3)
Bypass USB conversion and send I2S signal directly to DAC,
so pure playback is possible.
Although the playable format is limited to PCM, If DSD is
256 or less, it will automatically convert to PCM 384 KHz
and play it.
Figure 1
Figure 2
Figure 3