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MIDI Functions
■ Program Change ON/OFF
Normally the PDP-400 will respond to MIDI program change numbers received from an external keyboard or other
MIDI device, causing the correspondingly numbered PDP-400 voice to be selected. The PDP-400 will normally also
send a MIDI program change number whenever one of its voices is selected, causing the correspondingly numbered
voice or program to be selected on the external MIDI device if the device is set up to receive and respond to MIDI pro-
gram change numbers.
This function makes it possible to cancel program change number reception and transmission so that voices can be
selected on the PDP-400 without affecting the external MIDI device, and vice versa. Program Change is automatically
turned on when the power is initially turned on.
ZHold [MIDI/TRANSPOSE] and press [HARPSI].
XRelease [MIDI/TRANSPOSE].
■ Control Change ON/OFF
Normally the PDP-400 will respond to MIDI control change data received from an external MIDI device or key-
board, causing the selected PDP-400 voice to be affected by pedal and other “control” settings received from the con-
trolling device. The PDP-400 also transmits MIDI control change information when either of its pedals or the
modulation wheel are operated.
This function makes it possible to cancel control change data reception and transmission if you do not want the PDP-
400 voices to be affected by control change data received from an external device or vice versa. Control Change is auto-
matically turned on when the power is initially turned on.
■ Local Control ON/OFF
“Local Control” refers to the fact that, normally, the PDP-400 keyboard controls
its internal tone generator, allowing the internal voices to be played directly from
the keyboard. This situation is “Local Control ON” since the internal tone
generator is controlled locally by its own keyboard.
Local control can be turned off, however, so that the PDP-400 keyboard does
not play the internal voices, but the appropriate MIDI information is still transmit-
ted via the MIDI OUT connector when notes are played on the keyboard. At the
same time, the internal tone generator responds to MIDI information received via
the MIDI IN connector. This means that while an external MIDI sequencer, for
example, plays the PDP-400’s internal voices, an external tone generator can be
played from the PDP-400 keyboard. Local Control is automatically turned ON
when the power is initially turned on.
ZHold [MIDI/TRANSPOSE] and press [E. PIANO].
XRelease [MIDI/TRANSPOSE].
= local control OFF.
= local control ON.
= program change reception/
transmission OFF.
= program change reception/
transmission ON.
MIDI Sequencer
MIDI IN
MIDI OUT
Tone Generator
MIDI OUT
MIDI IN
Played from PDP-400
keyboard.
PDP-400
Local control OFF. Played from MIDI Sequencer.
E.PIANO
E.PIANO
ZHold [MIDI/TRANSPOSE] and press [VIBES].
XRelease [MIDI/TRANSPOSE].
= control change reception/
transmission OFF.
= control change reception/
transmission ON.
HARPSI
HARPSI
VIBES
VIBES