Getting Started • MIDI
48
Connecting the i40M to a digital piano
The digital piano can be used as a MIDI keyboard to
control the i40M. The keyboard is generally divided
into two parts; the left part is muted, to play the piano
with the right hand and the chords for the automatic
accompaniment with the left hand.
If the left part of the keyboard was not muted, the left
hand would have to play very low, compact chords
with a very bad sound. The Echo Back function of the
i40M allows you to divide the keyboard at the split
point of the module.
When the Echo Back function is active, the i40M sends
a Local Off message to the piano. This message discon-
nects the piano keyboard from its internal sound gen-
erator. The notes played on the keyboard are sent to
the i40M that uses the notes below the split point for
the chord detection and retransmits the notes above
the split point to the piano to allow it to play its inter-
nal sound. At this stage, the left hand only plays the
accompaniment chords and the right hand plays the
piano sound.
If you select the “Digital Piano 1” setup, the right hand
will only play the piano. If you select the “Digital
Piano 2” setup, the right hand can also play the Upper
1 and Upper 2 parts, where the left hand plays the
Lower part of the i40M.
Connection and settings
To connect the piano to the i40M follow this proce-
dure:
1 Connect the MIDI OUT connector of the piano to
the MIDI IN 1 connector of the i40M.
2 Connect the MIDI IN connector of the piano to
the MIDI OUT connector of the i40M.
In this way the i40M and the piano are connected in
a “MIDI loop”.
3 Turn the digital piano on.
Note: When the Echo Back function is active, when
turned on, the i40M transmits a Local Off message
over the MIDI OUT connector. Always turn on the
piano before the i40M.
4 Program the piano to transmit over channel 1
that corresponds to the special Chord 1 and (in
“Digital Piano 2”) Global channels in the i40M.
At this stage, the left hand will play the chords for
the accompaniment and the right hand will play
the digital piano. If you have selected “Digital
Piano 2”, you can use the buttons of the Keyboard
Assign sections to add the Upper 1, Upper 2 and
Lower section of the i40M to the piano.
5 Press DISK/GLOBAL to go to the Disk/Global
mode.
6 Press the PAGE [+] button repeatedly to get to
“Page 3: MIDI Settings” (see page 136).
7 Press CURSOR> to select SETUP, the press
ENTER/YES to enter the MIDI Setup page.
8 Select the desired setup using the TEMPO/
VALUE buttons. Select one of the “Digital piano”
setups and press ENTER/YES twice to confirm
the selection.
At this stage the Echo Back function will be acti-
vated (see page 135) and a Local Off message will
be sent to the piano. The piano keyboard will be
disconnected from its internal sound generation.
The MIDI messages will be sent to the i40M that
will send again them to the internal sound genera-
tor of the piano, taking the split point into consider-
ation.
This setup is illustrated below.
Note: The settings can change when new data is
loaded from disk. To protect the settings from loading,
use the PROTECT function (see page 136).
9 Press a button in the MODE section to go to the
desired operative mode.
CHORD 1
(GLOBAL)
MIDI OUT
MIDI OUT
Chords
(Lower)
Piano
(Upper 1)
(Upper 2)
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