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Roland EM-305 - Channel Messages; System Messages; MIDI Implementation Chart

Roland EM-305
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MIDI
OUT
MIDEIN
=
=MIDIETHRU
Sound
Module
A
Receiving
channel:2
§
Transmitting
channel:1
Sound
Module
B
MIDI
IN,
Receiving
channel:1
¥
Main
Types
of
MIDI
Messages
There
are
a
variety
of
different
kinds
of
MIDI
messages,
and
each
has
information
about
a
particular
kind
of
MID!
performance
nuance.
MIDI
messages
are
broadly
divided
into
Channel
Messages
(those
that
have
information
specific
to
a
channel),
and
System
Messages
(information
that
applies
to
the
system
as
a
whole).
Channel
Messages
The
MIDI
messages
that
transmit
the
actual
performance
data
are
Channel
Mes-
sages,
and
these
are
the
ones
that
do
most
of
the
actual
work
of
controlling
the
instrument.
Since
there
are
so
many
different
kinds
of
MIDI
instruments,
what
ex-
actly
is
controlled
by
MIDI
messages
depends
on
the
design
of
the
individual
instru-
ment.
Note
Messages
These
contain
information
about
keyboard
performances.
Pitch
Bend
Messages
These
transmit
data
about
how
the
Bender/Modulation
lever
(EM-305)
or
Pitch
Up/
Down
switch
(EM-303)
has
been
manipulated.
Program
Change
Messages
These
transmit
tone
switching
commands.
Control
Change
Messages
These
transmit
data
about
performance-enhancing
features.
On
the
EM-305/303,
this
includes
vibrato
added
using
the
Bender/Modulation
lever
(EM-305),
manipula-
tion
of
the
Modulation
switch
(EM-303),
and
pedal
operations.
System
Messages
System
Messages
include
SysEx
(System
Exclusive)
messages
and
messages
needed
for
timing,
synchronization,
and
troubleshooting.
These
messages
affect
the
system
as
a
whole
and
are
not
broken
up
into
specific
channels.
Realtime
Messages
These
messages
are
sent
to
synchronize
the
opezation
of
several
MIDI
instruments,
such
as
for
starting
or
stopping
a
performance.
System
Exclusive
Messages
SysEx
messages
are
used
for
controlling
special
features
of
a
particular
MIDI
device.
(~
;
‘
MIDI
Implementation
Chart
MIDI
allows
many
different
musical
instruments
and
devices
to
exchange
data.
It
is
not
neces-
—-
MIDI
device
A
MIDI
device
B
sarily
the
case,
however,
that
all
MIDI
messages
can
be
received
by
all
MID!
devices.
For
;
{Faman"|
aienien
|"
peapete’
|
amen
example,
you
may
set
up
your
keyboard
to
send
Aftertouch
messages,
but
if
the
sound
module
eae
ae
ieee
ie
you
have
connected
doesn’t
respond
to
Aftertouch,
you
will
not
hear
the
effect
you're
looking
In
general,
you
can
swap
SysEx
data
with
the
same
model.
for
when
you
press
harder
on
the
keys.
The
only
way
two
devices
can
exchange
a
given
MIDI
a
ee
eee
message
is
if
that
function
is
available
on
both
instruments.
Each
instrument
has,
in
it’s
owner’s
manual,
a
MIDI
Implementation
Chart
that
will
help
you
eee
ae
eae
|
determine
at
a
glance
what
features
will
be
compatible
with
other
instruments
(pages
44
and
Eo
pe
45).
The
dimensions
of
these
charts
are
standardized,
so
you
can
fold
them
as
shown
and
a
a
a
|
i
physically
match
them
to
see
if
the
MIDI
messages
of
one
device
will
be
received
by
the
other.
SS
35

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