Korg CX-3 Combo Organ Owner's Manual: Connecting A Midi Keyboard

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Local Control On setting
If you make connections as shown on the preceding page,
you must turn on the Echo Back setting of the external
MIDI sequencer or computer (so that the data it receives
at MIDI IN will be retransmitted without change from
MIDI OUT), and turn off the Local Control setting of the
CX-3 (to disconnect the keyboard section from the tone
generator section).
When you play the keyboard of the CX-3, the data will be
sent to the external MIDI sequencer or computer, and will
be echoed back to sound the tone generator of the CX-3.
In other words by turning the CX-3' s Local Control off,
you can prevent notes from being sounded in duplicate;
once from the keyboard and again from the echo-back.
To turn off Local Control, set the Global mode Group 4
"MIDI Local Cntrl" parameter to Of f.
If you are using the CX-3 by itself, you must turn Local
Control on. (If this is of f , playing the CX-3's keyboard will
produce no sound.)
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Connecting a MIDI keyboard

If you want to connect an external MIDI keyboard to the
CX-3's MIDI IN connector so that you can play the CX-3
as a two-manual instrument, turn the Global mode Group
3 "MIDI IN to Lower" parameter On.
Regardless of their channel, the incoming note messages
will be handled as note messages for the lower keyboard.
These incoming note messages will not only play the
lower keyboard, but will also be transmitted via MIDI as
note messages on the specified lower channel. This is the
same operation as when the "Merge Lower Message"
parameter is turned On. Also, all program changes and
control changes received via MIDI will be ignored, and
the Split function will not operate even if you press the
[SPLIT] key.
If you want to use your connected external MIDI key-
board to perform program changes and control the CX-3
panel keys, turn the "MIDI IN to Lower" parameter Of f,
and set the Global mode Group 2 "MIDI Global ch"
parameter so that the global MIDI channel matches the
transmit channel of your connected MIDI keyboard. MIDI
control change numbers can be edited in Group 4 and 5.
If you are recording your CX-3 performance on a se-
quencer, and want the state of all panel keys to be repro-
duced, perform the following steps.
Since Drawbar 1, 2, and DRA WBAR SELECT operations
are not reproduced by a program change, use DRA WBAR
SELECT to select the drawbar settings with which you
will start your performance. Then execute the Global
mode Group 7 "Drawbar Scan" parameter to transmit the
state of Drawbar 1 and 2.
Immediately after you begin recording, select the pro-
gram that you will use for your performance, to transmit
the corresponding program change.
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When using a velocity-sensitive MIDI sound
With the factory settings, the CX-3 is set to transmit note
messages with a fixed velocity.
If you are using a velocity-sensitive MIDI sound module,
you will need to set the following parameters.
Set the Global mode Group 2 "MIDI Upper 2nd ch" and
"MIDI Lower 2nd ch" parameters to other than Of f. This
will cause note messages with velocity to be transmitted
on the specified MIDI channel.
However in this state, two sets of note messages (one
with variable velocity , and another with fixed velocity)
will be transmitted, so you should also set the Global
mode Group 2 "MIDI Upper Tx ch" and "MIDI Lower Tx
ch" parameters to Off, so that the fixed-velocity note
messages will not be transmitted.
Alternatively , you could set "MIDI Upper 2nd ch" and
"MIDI Upper Tx ch," and "MIDI Lower 2nd Tx Ch" and
"MIDI Lower Tx Ch," to dif f erent channels so that they
do not conflict, and then make settings on the connected
MIDI sound module so that it receives the note messages
with variable velocity .
If Global mode Group 1 "Key Trigger" is set to
Shallow, the note message with fixed velocity will be
transmitted when you have only pressed the key
lightly . However, the note message with variable
velocity will not be transmitted until you have
pressed the key all the way. This means that if you
have made settings to transmit note messages with
variable velocity , it is possible for the CX-3 to
produce sound without a note message being
transmitted. In order to match the timing at which
the CX-3 sounds with the timing at which your MIDI
sound module will sound, set the "Key Trigger"
parameter to Deep.
MIDI data dump
Exclusive data (internal settings) can be transmitted from
the CX-3 to a connected MIDI data filer or another CX-3.
While data is being transmitted, do not touch the
keys, drawbars, or knobs of the CX-3. Also, never
turn of f the power of the CX-3 while data is being
The following four types of data dump can be transmitted.
• Dump one program
• Dump all programs
• Dump global data
• Dump all data (programs and global data)
To transmit a data dump
1. Connect the MIDI OUT connector of the CX-3 to
the MIDI IN connector of the device that will
receive the data dump.
2. Enter Global mode.
The key LED will light.


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