Optimus MD-1600 - Manual (Page 44)

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• This message takes more time to
process than other messages;
when you program GM Mode On
in the sequencer, leave at least a
100 msec pause before the next
message.
• GM Mode Off ([F0][7E][7F][09]
[02][F7]) — used to turn off the MD-
1600’s GM mode.
• Reverb Change ([F0][44][0E][09][yy]
[F7]) — switches the keyboard’s
reverb function. yy determines the
type of reverberation effect.
Note: The contents of the System Ex-
clusive message affect the entire key-
board. Other messages affect only the
current MIDI channel.
CHANGING MIDI
SETTINGS
The MD-1600 lets you change a number
of MIDI parameters, including turning
General MIDI mode on/off and selecting
a MIDI channel.
Follow these steps to change MIDI pa-
rameters.
1. Repeatedly press TRANSPOSE/
TUNE/MIDI until oFF GM Mode
appears.
2. Within 5 seconds, repeatedly press
or to select the parameter you
want to change.
GM Mode on/off (Default: Off): set to
on when you want to have the key-
board receive GM data from another
MIDI device. Turning GM mode on
automatically turns
CHORD off,
since GM mode and MIDI In Chord
Judge cannot be used at the same
time.
Set to oFF to turn GM mode off.
The tone, volume and other param-
eter settings of each channel are ini-
tialized. When playing received
MIDI data, bass tones are lowered
one octave and the piccolo tone is
raised one octave.
Keybd Ch (Keyboard Basic Chan-
nel) (Default: 01): sets the channel
for sending MIDI data to an external
device.
Chord (MIDI In Chord Judge)
(Default: Off): when set to on, the
keyboard determines basic channel
note data as auto accompaniment
chords per the current chord finger-
ing method. Turning GM mode on
automatically turns
Chord off,
since GM mode and MIDI In Chord
Judge cannot be used at the same
time.
yy Value Reverb
00 Room
01 Stage
02 Hall
0F Off
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