Edirol SD-80 - Manual (Page 12)

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Names of things and what they do
■ Rear Panel
fig.1-02
17 AC IN Connector
Connect the supplied AC cable here. Never use any AC cable other than the one provided, since doing so
may cause malfunction.
18 Grounding Terminal
In some cases, depending on the environment in which the unit is installed, the surface of the panel may
sometimes feel rough and grainy. This is due to an infinitesimal electrical charge, which is absolutely
harmless. However, if you are concerned about this, connect the ground terminal (see figure) with an
external ground. When the unit is grounded, a slight hum may occur, depending on the particulars of
your installation. If you are unsure of the connection method, contact the nearest Roland Service Center,
or an authorized Roland distributor, as listed on the “Information” page.
● Unsuitable places for connection
• Water pipes (may result in shock or electrocution)
• Gas pipes (may result in fire or explosion)
• Telephone-line ground or lightning rod (may be dangerous in the event of lightning)
19 OUTPUT Jacks
These jacks output audio signals to your audio playback system or amplified speakers.
The output destination setting of a part will determine whether its sound is sent to
OUTPUT jacks 1 or 2 .
Normally, the sound will be sent to the OUTPUT 1 jacks.
The front panel VOLUME knob affects only the OUTPUT 1 jacks.
20 DIGITAL OUT Jacks
These jacks can be connected to digital audio devices such as CD players and MD players to transfer
digital audio signals.
Use a coaxial cable for
COAXIAL , and an optical digital cable for OPTICAL .
* The digital output transmits the OUTPUT 1 signal.
* The signal that is sent from the SD-80's DIGITAL OUT jack may be digitally copied for one or more generations.
21 MIDI OUT/THRU Switch
If this is set to [IN1 THRU] , the MIDI messages sent to the MIDI IN 1 connector will be retransmitted
without change from the MIDI OUT 2 connector.
22 MIDI Connectors
These connectors can be connected to other MIDI devices, such as a sequencer, allowing the exchange of
MIDI messages (
"Controlling the SD-80 via MIDI" (p. 53)).
IN1/IN2 : These connectors receive MIDI messages from other devices. The received MIDI
messages are sent to the computer (in USB mode) or to the internal sound generator (in
MIDI mode).
OUT1/OUT2 : These connectors transmit MIDI messages to other devices.
23 USB Connector
A USB cable can be used to connect the SD-80 to your computer.
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