Rear Panel
fig.rear
Power Switch
AC Adaptor Jack
H
INPUT Jack
H. Power Switch
Provides for selection of either ON, OFF, or BUS as the setting for the power supply.
BUS POWER
The SD-20 can be operated on bus power.
"Bus power" refers to power that is supplied to the SD-20 from a computer via a USB cable. In this
case, it is not necessary to connect the AC adaptor.
* Depending on the manner in which your computer supplies power to the USB connector, you may not be able
to run the SD-20 on bus power. In this case, please use the supplied AC adaptor.
I. AC Adaptor Jack
Connect the supplied AC adaptor to this jack.
J. INPUT Jack
Connect the audio output jack of your computer sound card or audio device to this jack. The sound
that is input here will be mixed with the sound of the SD-20, and output from the OUTPUT jacks
and the headphone jack.
K. OUTPUT Jacks
These jacks output the sound produced by the SD-20 sound generator in combination with the
sound that is input through the INPUT jack.
L. OPTICAL OUT Jack
This jack outputs the sound of the SD-20 sound generator. Sound being input through the INPUT
jack will not be mixed in.
M. MIDI IN Connector
Connect your MIDI keyboard or MIDI controller to this connector.
N. SERIAL Connector
Use this connector if you want to connect the SD-20 to your computer via a computer cable.
I
K
OUTPUT Jacks
J
OPTICAL OUT Jack
L
M
MIDI IN Connector
SERIAL Connector
Names of things and what they do
Computer Switch
O
N
USB Connector
N
11