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ADD-one MANUAL
SECTION
3
3.2 The
Control and Trigger Inputs
There are two control inputs, CONTROL INPUT
1
and
2,
and eight
TRIGGER
INPUTS.
a)
CONTROL INPUT
1
and
2
CONTR. INPUT
1
adjusts PITCH modulation,
i.e.
moving pitch
up or down.
It
is
possible
to
use either controls, foot pedals,
etc. or to
apply
DC
voltages
CONTR. INPUT
2
adjusts DURATION modulation,
i.e.
the
length
of the
sound.
It is
possible
to
use either controls, foot pedals,
etc. or to
apply
DC
voltages
For
further details, refer
to
Section
8.1
(Technical Specifications).
b)
TRIGGER INPUT
1
to
8
These eight 6.3mm mono
jack
sockets are used
for
connecting trigger
pads,
microphones
or
other trigger sources
to
activate
the
instruments
in
the
assigned channels. The input sensitivity can
be
adjusted using
the "SENS"
trim controls
on the
front panel. The range
of
adjustment
is
extremely
wide enabling the use of
a
magnitude
of
trigger sources.
3.3
MIDI
Connections MIDI
IN
-
OUT
-
THRU
MIDI
is
short
for
"MUSICAL INSTRUMENT DIGITAL INTERFACE"
and
designates
the
capability
of
exchanging information between units
run
in
the MIDI
compound. This means that MIDI
is a
standardised interface with
MIDI
signals being sent and received
at its
5-pole DIN
jacks. The
ADD-one
has
three different MIDI jacks
designated
as
follows:
MIDI OUT:
this
is
where MIDI data are output
(sent)
MIDI
IN:
this
is
where MIDI
data are
received
MIDI THRU:
this
is
where
the
received MIDI data
are
forwarded
(
looped through
)
The MIDI
interface
is
defined
in
such
a
way that via one MIDI
line,
in
the
form of
a
5-pole standard diode cable (stereo copy
line),
16
different channels can
be
transmitted almost simultaneously
.
In
order
to
enable
the
complete and profitable
use
of
all the
imaginable
variations resulting from
the
possibility
of
sending and receiving
16
different pieces
of
information simultaneously,
the MIDI
SYSTEM offers
three different modes
of
operation
(MIDI
MODES): OMNI MODE, POLY MODE and
MONO
MODE. As far as the
transmitted information
is
concerned,
a
distinction must
be
made between channel commands (CHANNEL) and voice
commands (VOICES). The channel command determines
the
number
of the
transmission channel,
the
voice command determines
the
sound (duration,
tone colour
,
etc
.
)
.
-
79
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