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E-89
735A-E-091B
MIDI
What is MIDI?
The letters MIDI stand for Musical Instrument Digital
Interface, which is the name of a worldwide standard for
digital signals and connectors that make it possible to
exchange musical data between musical instruments and
computers (devices) produced by different manufacturers.
MIDI compatible equipment can exchange keyboard key
press, key release, tone change, and other data as messages.
Though you do not need any special knowledge about MIDI
to use this keyboard as a stand-alone unit, MIDI operations
require a bit of specialized knowledge. This section provides
you with an overview of MIDI that will help to get you going.
MIDI Connections
MIDI messages are send out through the MIDI OUT terminal
of one device to the MIDI IN terminal of another machine
over a MIDI cable. To send a message from this keyboard to
another device, for example, you must use a MIDI cable to
connect the MIDI OUT terminal of this keyboard to the MIDI
IN terminal of the other device. To send MIDI messages back
to this keyboard, you need to use a MIDI cable to connect the
other device’s MIDI OUT terminal to the MIDI IN terminal
of this keyboard.
To use a computer or other MIDI device to record and
playback the MIDI data produced by this keyboard, you must
connect the MIDI IN and MIDI OUT terminals of both devices
in order to send and receive data.
If a MIDI THRU function provided by the software is being
run on a connected computer or other MIDI device, be sure
to turn this keyboard’s “Local Control Setting” off (page E-
82).
MIDI Channels
MIDI allows you to send the data for multiple parts at the
same time, with each part being sent over a separate MIDI
channel. There are 16 MIDI channels, numbered 1 through
16, and MIDI channel data is always included whenever you
exchange data (key press, pitch bend operation, etc.).
Both the sending device and the receiving machine must be
set to the same channel for the receiving device to correctly
receive and play data. If the receiving device is set to Channel
2, for example, it receives only MIDI Channel 2 data, and all
other channels are ignored.
This keyboard is equipped with multi-timbre capabilities,
which means it can receive messages over all 16 MIDI
channels and play up to 16 parts at the same time. Tone and
volume settings for each channel can be made using the
keyboard’s onboard Mixer, or by an external source that sends
required MIDI control messages.
Keyboard operations performed on this keyboard are sent
out by selecting a MIDI channel (1 to 16) and then sending
the appropriate message.
General MIDI
General MIDI standardizes MIDI data for all sound source
types, regardless of manufacturer. General MIDI specifies
such factors as tone numbering, drum sounds, and available
MIDI channels for all sound sources. This standard makes it
possible for all MIDI equipment to reproduce the same
nuances when playing General MIDI data, regardless of the
manufacturer of the sound source.
This keyboard supports General MIDI, so it can be used to
play commercially available pre-recorded General MIDI data
and General MIDI data send to it from a personal computer.
See the “Tone List” on page A-1 for details about the tones
that are available with GM tones numbered 000 to 127.
MIDI IN MIDI OUT
MIDI IN MIDI OUT
Computer etc.
WK3100_e_89-105.p65 04.3.26, 0:11 PM89