User Manual

20
Troubleshooting
Problem Conrmation Resolution
Cannot select
or use UM-ONE
device
Have you congured “Audio MIDI
Setup”? (Mac OS X)
Congure Audio MIDI Setup (p. 12).
Cannot play back
or record
Is the driver installed? Install the driver (p. 9).
Is the software’s input device and output
device congured?
Select the UM-ONE as the input and output device
(p. 14, p. 15).
Is the UM-ONE’s USB indicator o?
Make sure that the UM-ONE is connected to the
computer correctly.
If the problem is not resolved, reinstall the driver
(p. 23).
Did you make a mistake when connect-
ing the MIDI IN cable (CONNECT TO MIDI
OUT) and MIDI OUT cable (CONNECT TO
MIDI IN)?
Connect the MIDI IN cable (CONNECT TO MIDI
OUT) to a MIDI OUT connector, and connect the
MIDI OUT cable (CONNECT TO MIDI IN) to a MIDI IN
connector.
Is the sound module connected to the
MIDI OUT cable receiving MIDI signals?
Conrm the settings of the sound module.
Did the computer enter standby
(suspend) mode, hibernate mode, or
sleep mode while the UM-ONE was
connected?
Exit all programs that are using the UM-ONE,
disconnect the UM-ONE’s USB cable, and then
reconnect it.
If the problem is not resolved, restart the computer.
Did you disconnect and reconnect the
USB cable while using the UM-ONE?
Exit all programs that are using the UM-ONE,
disconnect the UM-ONE’s USB cable, and then
reconnect it.
If the problem is not resolved, restart the computer.
Was the UM-ONE connected to the
computer while the computer was
starting up?
Connect the UM-ONE after the computer has
started up.
(For some computers, the UM-ONE cannot be
used if it is connected to the computer while the
computer is starting up.)
Did the computer handle a processor-
intensive task while you were using the
UM-ONE?
Stop playback or recording, and then try playing
back or recording again.
If the problem is not resolved, exit all programs that
are using the UM-ONE, disconnect the UM-ONE’s
USB cable, and then reconnect it.
Are you using the Media Player included
with Windows? (Windows 8/Windows 7/
Windows Vista)
Use dierent software.
MIDI devices cannot be selected in Media Player.