Roland U-20 Owner's Manual page 194

I
How
to read a MIDI Implementation Chart
O
:MIDI
data that
can be
transmitted or
received
X :MIDI
data that cannot be
transmitted or
received
•
:
Transmission or
reception can be turned
on
or
off.
The
setting
is
remembered even
when
the
power
is
turned
off.
•
Basic
Channel
The
MIDI
channel
for transmitting
(receiving)
MIDI
data
can be
specified over
this
range.
The MIDI
channel
settiog
is
remembered
even
when
the
power
is
turned
off.
•
Mode
Most
recent synthesizers use
mode
3 (omni
off,
poly).
Reception
:
Data
is
received only on
the
specified
channels
,
and
played polyphonically.
Transmission
:
All
musical
data
is
transmitted
on
the specified
MIDI
channel
* "Mode"
refers to
MIDI
Mode
messages.
•
Note Number
This
is
the range
of
note
number
that
can
be transmitted
(received.
Note
number
60
is
middle
C
(C4)).
•
Velocity
This
is
the
range over which
velocity
can
be transmitted
(received)
by
Note
On
and
Note
Off messages.
I
Aftertouch
Key's
:
polyphonic aftertouch
Ch's
:
channel aftertouch
k
Pitch
Bender
The
bender range
setting of each
Timbre
detennines the range
of pitch
change
caused
by
pitch
bender
data.
When
set to
0,
pitch bender data
will
be
ignored.
k
Control Change
This
indicates the control
numbers
that
can
be transmitted
(received),
and what
they
will control.
For
details, refer to
the
MIDI
implementation.
k
Program Change
The program
change
ntmibere
in the chart
indicate the actual
data.
(This
is
one
less
than
the Pitch
and Timbre program
numbers.)
t
Exclusive
Exclusive message
reception
can be turned
on
/off
by
the exclusive switch
(setup).
>
Common,
Realtime
These
MIDI
messages
are used
to
synchronize
sequencers and
rhythm
machines.
The U-20
does not use
these
messages.
»
Other
These messages
are
mainly used
to
keep a
MIDI system running
correctly.
Active
sensing transmission can be turned on/
off.
192