User manual

6
Troubleshooting
1. No sound
Do not boot your computer’s music player program if the power is turned off to the device with the
USB
port, or if the
USB
port has not been selected as the input source.
Boot your computer’s music playing program only after switching the input to the
USB
port.
For information about the name of inputs supported by the
USB
port, see the Operating
Instructions for this device.
1 Click on [System Preferences…]

[Sound].
2 Select the [Output] tab, then under [Select a device for sound output], select
[Pioneer USB D/A Converter].
If the [Pioneer USB D/A Converter] does not appear, confirm that the
USB
port has been
selected as input source. Then try reconnecting the cable or turning the power off and then
on again; when this is done, the [Pioneer USB D/A Converter] should be recognized.
2. To disable the operating system’s sound scheme
Under default OS settings, computer events may be accompanied by audio signals and beeps
that are audible through the speakers attached to the device. In the event you do not wish to
hear such non-music signals, follow the instructions listed below:
1 Click [System Preferences…]

[Sound].
2 Click on [Sound Effects] tab, and for the item [Selected sound output
device], click [Internal Speakers].
3 Select the [Output] tab, and for the item [Select a device for sound output],
click on [Pioneer USB D/A Converter].
Procedure finished.
Procedure finished.