MIDI Functions
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You can enjoy using personal computer music software when you connect your DD-55’s MIDI ter-
minals to a personal computer. Make sure to use only special MIDI cables.
● Connect the MIDI terminals of the DD-55 to the MIDI terminals of the MIDI inter-
face installed to your computer.
● When using a MIDI interface with a Macintosh series computer, connect the RS-422
terminal of the computer (modem or printer terminal) to the MIDI interface, as shown
in the diagram below.
● When connecting to a computer with a USB interface, use the Yamaha UX256 USB/
MIDI Interface. Connect the UX256 and the computer with a standard USB cable,
then make the proper MIDI connections between the DD-55 and the UX256.
Connecting to a ComputerMIDI OUTMIDI IN
MIDI INMIDI OUT
DD-55
Computer
(sequencer software)
MIDI OUT
RS-422
MIDI IN
DD-55
Computer
(sequencer software)
MIDI
Interface
MIDI OUT
MIDI IN
DD-55
Computer
(sequencer software)
UX256
USB Cable
* When using a Macintosh series computer, set the MIDI interface clock setting in the application soft-
ware to match the setting of the MIDI interface you are using. For details, carefully read the owner’s
manual for the software you are using.