ALESIS QSR 64 - Manual (Page 21)

Connections: Chapter 3
QSR Reference Manual
C HAPTER 3
C
ONNECTIONS
B
ASIC
MIDI H
OOKUP
MIDI is an internationally-accepted protocol that allows musical-related data to be
conveyed from one device to another. See the MIDI Supplement in Appendix B if
you are not familiar with how MIDI works.
The QSR has three MIDI connectors which provide the following functions:
• MIDI IN This port is for receiving MIDI information (notes, program
changes, etc.) from a source such as another QSR or MIDI
keyboard, controller, or computer.
• MIDI OUT This port is for transmitting MIDI SYSEX information to another
MIDI keyboard, sound module, or computer.
• MIDI THRU This port is for passing on (echoing) MIDI information received
by the MIDI IN port. In simple MIDI setups, the THRU port is
used to connect additional devices that will all be “listening” to
the same source.
To play the QSR from a MIDI control device (keyboard, drum pad, guitar or bass
controller, sequencer, etc.), connect the control device’s MIDI OUT to the QSR’s
[MIDI IN]. The illustration below depicts a master QS8 connected to a slave QSR.
When both are set to a common MIDI channel (see page 14), you can hear both when
playing the master keyboard.
MIDI In MIDI Out
If you are using the QSR in the middle of the MIDI chain (example: as the second
unit of a three device chain), connect the QSR’s [MIDI THRU] to the third device’s
MIDI IN connector in order to route the first device’s MIDI out information to the
third device.
MIDI In MIDI Out
MIDI In
MIDI Thru
The QSR’s [MIDI OUT] connector sends System Exclusive data (see the MIDI
supplement) to a storage device for later recall, or to another QSR. When the [MIDI
OUT] connector’s mode is switched to “Thru” (Global Edit mode, page 12), it can
function as a second [MIDI THRU] connector and resend MIDI data received on the
[MIDI IN] from the controller to other MIDI devices.