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The MIDI (Musical Instrument Interface)
is
a digital Interface
which allows different
types
of
musical instruments
(M
IDI com-
patible)
to
communicate with each other.
In
ttle
case
ofthe ER
33,
thisinterface permits the transmission
of
the data
of
all
the
outstanding features
of
this
synthesizer
mo-
du
le
to
otherInstruments andusingthe same techniquescan r
e-
ceive all the neces.sary MIDI information needed
to
controlthese
same functions from any other M
IDI
compatible instrument.
MIDI IN M
IDI
OUT and MIDI THRU are the three sockets
by
means
~f
which
the
ER
33
can
be
connected
to
a keyboard,
se-
quencer, synthesizer
etc
., as explained in
t
~
CONNECTIONS
section, F
or
some examples ofvanous M
IDI
connec-
tions,you should consult Fig. 1 MI
DI
CONNECTION EXAMP
LES
(below).
The
ER
33
canreceive
ttle
following information on theMIDI
bu
s
(MIDI IN):
1. KEYBOARD
OAT
A (Key On I Key Off).
2.
KEY
VELOCITY SENSITMTY (Keyboard Dynamics)
3. SECOND TOUCH (Pressure used on the
keys
after the note
has been played.
~
.
PROGRAM CHANGE (changing
of
thePRESET number).
5. MODULATION CONTROL
('WHEEL
, MODULATION,
SE
-
COND TOUCH).
6. PEDAL EFFECTS (Volume Pedal, Sustain Pedal, Portamento
Peda
l).
7. SYSTEM EXCLUSIVE
f)
s. 1 MIDI CONNECTION EXAMPLES
-
..
-.
.
--
-
0\11
•
EK44
i'
ll.
EK
22
OUT
•
=
OIO
IT
AL
aaoua..c
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. -
I
N.B. H
the
unit connectedto
the
ER
33
does
not
provide allthese
fu
nctions, then the ER
33
will only be concerned with the data
transmitted from
that
unit. For example,
If
the
Instrument
does
not
provide for dynamiccontrol,then
the
ER
33
will n
ot
be
able
to
have this function. When
the
SYSTEM EXCLUSIVE
is
activa-
t
ed,
the
connecting
of
two
ElKA Instruments
(EK
44 - E
K22
-
ER33-
EM44-
EM22) will
also
permit
the
n
umber
of
the
PER-
FORMANCE REGISTRATIONS
to
be transmitted.
By
means
of
SYSTEM
EXC
LUSIVE
it
is
possible to transm
it
and receive from
a computer, all t
he
lnfoonation regarding the ER
33
(PARAME-
TERS. MULTISPUT, MI
DI
CHANNELS. PERFORMANCE
REGI
-
STRATIONS,
ET
C.).
The ER
33
transmits
the
following M
IDI
data (MIDI OUT):
1.
PROGRAM
CHANGE
2. PEDAL
EF
FE
CTS
3. SYSTEM EXCLUSIVE
To connect
the
ER
33
to
another MIDI instrument you must use
a MIDI DIN Standard connecting cable, remembering the gene-
ral rule
that
two
instruments canreceive
or
transmitfrom and
to
one
another only
if
the
same
MIDI channel
has
been selected.
N.B.
USE
ONLY3-
PIN
MI
OI
CO
NN
ECTI
NG CA
BL
ES.
For further information on
the
MIDI, read SPLIT &MIDI EDIT in
the FUNC
TI
ON
PARAMEI
ER
section.
ER33
ER33
.C' £
;:
c.·
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