Roland UM-3EX Owner's Manual page 51

UM-3EX is not detected when making OMS or FreeMIDI settings
(Mac OS 9 users)
Is the UM-3EX detected?
• Reconnect the UM-3EX.
• If other USB devices are connected, connect only the UM-3EX.
• It is possible that the Macintosh did not correctly detect and initialize the UM-3EX. Leave the
UM-3EX connected, and restart your Macintosh. If it is still not detected, shut down your
Macintosh, and then restart it.
• In some cases, the UM-3EX will not be detected if you have connected it to the USB connector
located on the keyboard of the Macintosh. Please connect it to a USB connector on the
Macintosh itself.
51