Edirol UM-2 Mode D'emploi page 18

Installing & Setup the Driver
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Click "OK" button in the "SETUPINF" dialog box.
Then refer to Specifying the Output Destination for MIDI
Data (the section that follows), and make settings for the UM-
2 to be used from your computer. The UM-2 cannot be used
unless you make these settings.
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