Macintosh Users - Edirol UM-1X Manual Del Usuario

Macintosh Users

Case 1: An error dialog box is displayed
◆ Is the UM-1X driver installed?
An error dialog box will be displayed if the UM-1X is
connected to your computer before the UM-1X driver is
installed. If the display indicates "The software needed to
use the USB device "Unknown Device" cannot be found.
Please refer to the device documentation to install the
necessary software," click "OK."
If the display indicates "Software needed for the USB
device "Unnamed Device" is not available. Would you
like to look for the software on the Internet?," click
"Cancel."
After closing the dialog box, follow the procedure for "OMS
Settings (p. 27)" or "FreeMIDI Settings (p. 30)" to install the
UM-1 driver.
Case 2: Cannot install the UM-1X driver
◆ Could the UM-1X's ADVANCED DRIVER switch be OFF?
Disconnect the USB cable that connects the UM-1X to the
computer. Turn the UM-1X's ADVANCED DRIVER switch
ON, restart your Macintosh, and reinstall the driver.
Case 3: Cannot make USB connections correctly
◆ Was the UM-1X recognized?
• Disconnect the USB cable, and then re-connect it.
• If another USB device is connected, try connecting only
the UM-1X.
• It is possible that the computer did not correctly recognize
or initialize the UM-1X. Leave the UM-1X connected and
restart your Macintosh. If the connection is still not
achieved, exit your Macintosh and turn off the power of
the computer. Then turn on the power of the computer
once again, and start up your Macintosh.
• The computer cannot recognize the UM-1X when the USB
connector of Macintosh's keyboard is used. Re-connect the
USB cable to the USB connector of the main body.
◆ Are your computer or USB hub (*) supplying sufficient
current?
If insufficient current is being supplied to the UM-1X,
connection is not possible.
• Use a USB hub which contains its own power supply.
• The power conservation mode settings of your computer
may be limiting the current supplied to the USB, so check
these settings.
Troubleshooting
For details on the electrical
current that can be supplied by
your computer or USB hub
refer to the owner's manual for
your equipment. If you have
questions, please contact the
manufacturer or dealer for
your computer or USB hub.
When a USB device is
connected to a computer, the
USB device tells the computer
how much electrical current it
uses. If this value exceeds the
current that the computer is
able to provide (maximum 500
mA), the device cannot be
connected. The UM-1X will
request 70 mA of current when
it is connected to a computer.
Most computers or self-
powered USB hubs will have
no problem with this current
capacity. If you are using a
dual-mode USB hub (self-
powered / bus-powered), be
sure to connect its power
supply (AC adapter etc.) and
use it as a self-powered USB
hub.
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