Edirol SD-80 Manual De Usuario

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Using the internal sound generator
Using the internal 
sound generator
Specifying the function of the MIDI connectors
The SD-80 has two modes in which MIDI data is transferred differently: 
USB mode
 and 
MIDI mode
.
The mode is switched automatically depending on the connector you use.
USB mode
fig.7-2
MIDI messages received at the MIDI IN connectors 
will not be passed directly to the internal sound 
generator. They will be sent via USB to the computer 
(sequencer software).
This means that if you have started up in 
USB 
mode
, playing an external MIDI keyboard 
connected to a MIDI IN connector will not play the 
SD-80’s internal sound generator. In order for the 
MIDI messages received at the MIDI IN connectors 
to be passed to the internal sound generator, you 
must turn on the Thru function of your software 
running on your USB-connected computer. “Thru” 
is a function by which MIDI messages received from 
the SD-80’s USB connector are retransmitted back to 
the SD-80’s USB connector. If the Thru function is 
turned on, the MIDI messages received at the MIDI 
IN connectors will pass through the computer and 
be passed to the SD-80’s internal sound generator, 
causing sound to be produced.
*
The number of internal sound generator parts that can be 
controlled from the USB connector will depend on the 
capabilities of your sequencer software. This means that 
even if you connect the SD-80 to your computer via USB, 
you will not necessarily be able to use all 32 parts. Please 
carefully read the owner’s manual for your sequencer 
software.
*
The USB indicator will light.
THRU function : ON
MIDI OUT 2
USB
MIDI OUT 1
SD-80
MIDI IN 2
MIDI IN 1
Part group A
Part A1 - A16
Part group B
Part B1 - B16