Casio Lk55 Instruction Manual

							E-49
1Press the SETTING button until the TOUCH
RESPONSE SELECT screen appears.
2Use the [+] and [–] or [0] and [1] buttons to change
the setting.
Example: To select touch response 2.
•Touch response is on when touch response indicator
is on.
•Touch response is off when touch response indicator
is off.
NOTE
•Touch response not only affects the keyboard’s internal
sound source, it also is output as MIDI data.
•Song memory playback, accompaniment, and external
MIDI note data does not affect the touch response
setting.
About SETTING button
Each press of the SETTING button cycles through a total of
11 setting screens: the touch response screen, the
accompaniment volume screen, the tuning screen, and 8 MIDI
setting screens (page E-52). If you accidentally pass the screen
you want to use, keep pressing the SETTING button until
the screen appears again.
Touch
Touch
Keyboard Settings
642A-E-051A
Adjusting the Accompaniment
Volume
You can adjust the volume of the accompaniment parts as a
value in the range of 000 (minimum) to 127.
To adjust the accompaniment volume
1Press the SETTING button twice to display the
accompaniment volume adjustment screen.
2Use the number buttons or the [+]/[–] buttons to
change the current volume setting value.
Example: 11 0
NOTE
•The current accompaniment volume value that appears
in Step 1 automatically clears from the display if you do
not input anything within about five seconds.
•Pressing [+] and [–] buttons at the same time
automatically sets an accompaniment volume of 077.
Acompol V
Acompol V
Current accompaniment volume setting
Indicator appears
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Tuning the Keyboard
Use the following procedure to fine tune the keyboard to
match the tuning of another musical instrument.
To tune the keyboard
1Press the SETTING button three times to display
the tuning screen.
2Use the [+], [–], and the number buttons to adjust
the tuning value.
Example: To lower tuning by 20
NOTE
•The keyboard can be tuned within a range of –50 cents
to +50 cents.
*100 cents is equivalent to one semitone.
•The default tuning setting is “00” when keyboard power
is turned on.
•If you leave the tuning screen on the display for about
five seconds without doing anything, the screen is
automatically cleared.
•The tuning setting also affects playback from song
memory and Auto Accompaniment.
•To return the keyboard to its default tuning, perform the
above procedure and press the [+] and [–] buttons at
the same time in step 2.
Tune
Tune
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Keyboard Settings
SETTING
[+] / [–]
Number buttons
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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 makes it possible to
exchange musical data between musical instruments and
computers (machines) 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 machine to the MIDI IN terminal of another machine
over a MIDI cable. To send a message from this keyboard to
another machine, 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 machine. To send MIDI messages
back to this keyboard, you need to use a MIDI cable to connect
the other machine’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
machines in order send and receive data.
•To use the MIDI THRU function of a connected computer,
sequencer, or other MIDI device, be sure to turn this
keyboard’s LOCAL CONTROL off (page E-54).
Computer or other MIDI device
MIDI IN MIDI OUTMIDI IN MIDI OUT
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, pedal operation, etc.)
Both the sending machine and the receiving machine must
be set to the same channel for the receiving unit to correctly
receive and play data. If the receiving machine 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.
Keyboard and pedal operations performed on this keyboard
are sent out by selecting a MIDI channel (1 to 16) and then
sending the appropriate message.
Computer or other MIDI deviceMIDI OUT MIDI INMIDI IN
MIDI keyboard or MIDI sound sourcce
MIDI keyboard or MIDI sound sourcce MIDI Channel 1 Melody
MIDI Channel 2 Bass
MIDI Channel 10 Drums
MIDI ke
yboard or MIDI sound sourcce MIDI INReceive MIDI Channel = 1
Plays melody.
Receive MIDI Channel = 2
Plays bass.
Receive MIDI Channel = 10
Plays drum part.
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MIDI
General MIDI
As we have already seen, MIDI makes it possible to exchange
musical data between devices produced by different
manufacturers. This musical data does not consist of the notes
themselves, but rather information on whether a keyboard
key is pressed or released, and the tone number.
If tone number 1 on a keyboard produced by Company A is
PIANO while tone number 1 on a Company Bs keyboard is
BASS, for example, sending data from Company As keyboard
to Company Bs keyboard produces a result entirely different
from the original. If a computer, sequencer or other device
with auto accompaniment capabilities is used to produce
music data for the Company A keyboard which has 16 parts
(16 channels) and then that data is sent to the Company B
keyboard which can receive only 10 parts (10 channels), the
parts that cannot be played will not be heard.
The standard for the tone numbering sequence, the number
of pads, and other general factors that determine the sound
source configuration, which was arrived at by mutual
consultations by manufacturers, is called General MIDI.
The General MIDI standard defines the tone numbering
sequence, the drum sound numbering sequence, the number
of MIDI channels that can be used, and other general factors
that determine the sound source configuration. Because of
this, musical data produced on a General MIDI sound source
can be played back using similar tones and identical nuances
as the original, even when played on another manufacturers
sound source.
This keyboard conforms with General MIDI standards, so it
can be connected to a computer or other device and used to
play back General MIDI data that has been purchased,
downloaded from the Internet, or obtained from any other
source.
Changing MIDI Settings
You can use this keyboard in combination with an external
sequencer, synthesizer, or other MIDI device to play along
with commercially available General MIDI software. This
section tells you how to make the MIDI settings required
when connecting to an external device.
SETTING Button
Each press of the SETTING button cycles through a total of
11 setting screens: the touch response screen, the
accompaniment volume screen, the tuning screen, and 8 MIDI
setting screens. If you accidentally pass the screen you want
to use, keep pressing the SETTING button until the screen
appears again. Also note that leaving a setting screen is
automatically cleared from the display if you do not perform
any operation for about five seconds.
GM MODE (Default: Off)
on:This keyboard plays General MIDI data from a computer
or other external device. MIDI IN CHORD JUDGE
cannot be used when GM MODE is turned on.
oFF:MIDI IN CHORD JUDGE can be used.
1Press the SETTING button until the GM MODE
screen appears.
Example: When GM MODE is turned off
2Use the [+] and [–] or [0] and [1] buttons to turn
the setting on and off.
Example: To turn GM MODE on
GMMode
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GMMode
Indicator appears
SETTING
[+] / [–]
Number buttons
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NAVIGATE CHANNEL (Default: 4)
When MIDI messages are received from an external device
for play on this keyboard, the navigate channel is the channel
whose note data appears on the display. You can select one
channel from 1 to 8 as the navigate channel. Since this setting
lets you use the data on any channel of commercially available
MIDI software to light on the on-screen keyboard guide, you
can analyze how different parts of an arrangement are played.
1Press the SETTING button until the NAVIGATE
CHANNEL screen appears.
2Use the [+], [–], and the number buttons  [1]
through [8] to change the channel number.
Example: To specify channel 2
NOTE
•The navigate channel automatically changes to 1whenever you turn MIDI IN CHORD JUDGE on.
MIDI
KEYBOARD CHANNEL (Default: 1)
The keyboard channel is the channel used to send MIDI
messages from this keyboard to an external device. You can
specify one channel from 1 to 16 as the keyboard channel.
1Press the SETTING button until the KEYBOARD
CHANNEL screen appears.
2Use the [+], [–], and the number buttons to change
the channel number.
Example: To specify channel 4
KeybChd
KeybChd
NaivCh.
NaivCh.
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To turn off specific sounds before playing back MIDI data
that is being received

While playing MIDI data, press the TRACK 2 button.
•This cuts the sound of the navigate channel, but on-screen
keyboard guide keys continue to light in accordance with
the channel’s data as it is received. Press TRACK 2 button
again to turn the channel back on.

While playing MIDI data, press the TRACK 1 button.
•This cuts the sound of the channel whose number is one
less than the navigate channel, but on-screen keyboard
guide keys continue to light in accordance with the
channel’s data as it is received. Press TRACK 1 button again
to turn the channel back on.
Example:If the navigate channel is channel 4, the above
operation turns off channel 3. If the navigate
channel is channel 1 or 2, the above operation turns
off channel 8.
MIDI IN CHORD JUDGE (Default: Off)
on:When a chord specification method is selected by the
MODE switch, chords are specified by the keyboard
channel note data input from the MIDI IN terminal.
oFF:MIDI IN CHORD JUDGE is turned off.
1Press the SETTING button until the MIDI IN
CHORD JUDGE screen appears.
2Use the [+] and [–] or [0] and [1] buttons to turn
the setting on and off.
Example: To turn MIDI IN CHORD JUDGE on
Cho r d
LOCAL CONTROL (Default: On)
This setting determines whether or not the keyboard and
sound source of this keyboard are connected internally. When
recording to a computer or other external device connected
to this keyboard’s MIDI IN/OUT terminal, it helps if you
turn LOCAL CONTROL off.
on:Anything played on the keyboard is sounded by the
internal sound source and simultaneously output as a
MIDI message from the MIDI OUT terminal.
oFF:Anything played on the keyboard is output as a MIDI
message from the MIDI OUT terminal, without being
sounded by the internal sound source. Turn LOCAL
CONTROL off whenever you are using the MIDI THRU
function of a computer or other external device. Also
note that the no sound is produced by the keyboard if
LOCAL CONTROL is turned off and no external device
is connected.
1Press the SETTING button until the LOCAL
CONTROL screen appears.
Example: When LOCAL CONTROL is on
2Use the [+] and [–] or [0] and [1] buttons to turn
the setting on and off.
Example:To turn LOCAL CONTROL off
Cho r d
Loca l
Loca lc
MIDI
642A-E-056A
SETTING
TRACK1
TRACK2MODESTART/STOP[+] / [–]
Number buttons
NOTE
•MIDI IN CHORD JUDGE automatically turns off
whenever you change the navigate channel to any
channel besides 1.
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MIDI
MIDI OUT
Sound Source
MIDI OUT MIDI IN
MIDI THRU
MIDI INMIDI OUT
Sound Source
LOCAL CONTROL On
Notes played on the keyboard
are sounded by the internal
sound source and output as
MIDI messages from the MIDI
OUT terminal.LOCAL CONTROL Off
Notes played on the keyboard
are output as MIDI messages
from the MIDI OUT terminal, but
not sounded directly by the
internal sound source. The MIDI
THRU terminal of the connected
device can be used to return the
MIDI message and sound it on
this keyboard’s sound source.
ACCOMP MIDI OUT (Default: Off)
on:Auto Accompaniment is played by the keyboard and
the corresponding MIDI message is output from the
MIDI OUT terminal.
oFF:Auto Accompaniment MIDI messages are not output
from the MIDI OUT terminal.
1Press the SETTING button until the ACCOMP MIDI
OUT screen appears.
Example: When ACCOMP MIDI OUT is off
2Use the [+] and [–] or [0] and [1] buttons to turn
the setting on and off.
Example: To turn ACCOMP MIDI OUT on
Accmut Opo
o
o
o
o
Accmut Opo
o
o
o
o
ASSIGNABLE JACK (Default: SUS)
SUS(sustain):Specifies a sustain*1 effect when the pedal is
depressed.
SoS (sostenuto):Specifies a sostenuto*
2 effect when the
pedal is depressed.
SFt (soft):Specifies reduction of the sound’s volume when
the pedal is depressed.
rHy (rhythm):Specifies START/STOP button operation
when the pedal is depressed.
1Press the SETTING button until the ASSIGNABLE
JACK screen appears.
Example:When sustain is currently set
2Use the [+] and [–] or [0], [1], [2], and [3] buttons
to change the setting.
Example:To select rhythm
*1 Sustain
With piano tones and other sounds that decay, the pedal acts
as a damper pedal, with sounds being sustained longer when
the pedal is depressed. With organ tones and other continuous
sounds, notes played on the keyboard continue to sound until
the pedal is released. In either case, the sustain effect is also
applied to any notes that are played while the pedal is
depressed.
*2 Sostenuto
This effect performs the same way as sustain, except that it is
applied only to notes that are sounding already when the
pedal is depressed. It does not affect notes that are played
after the pedal is depressed.
Jack
Jack
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MIDI
Pedal depressed
Pedal released  When SUS is set
 When SoS is set
= Keyboard depressed.
= Sustained notes
Pedal depressedPedal released
SOUND RANGE SHIFT (Default: On)
on:Shifts low range tones one octave lower and 020
GLOCKENSPIEL/095 PICCOLO one octave higher.
oFF:Plays low range tones and 020 GLOCKENSPIEL/095
PICCOLO at their normal levels.
1Press the SETTING button until the SOUND RANGE
SHIFT screen appears.
2Use the [+] and [–] or [0] and [1] buttons to change
the setting.
Example:To turn SOUND RANGE SHIFT off
Shi f t
Shi f t
MIDI OUT TerminalNOTE ON
MIDI OUT Terminal • Note number (tone)
 • Velocity (volume)
NOTE OFF
 • Note number (tone)
 • Velocity (volume)
Release the key
Press the key
Messages
There is a wide variety of messages defined under the MIDI
standard, and this section details the particular messages that
can be sent and received by this keyboard. An asterisk is used
to mark messages that affect the entire keyboard. Messages
without an asterisk are those that affect only a particular
channel.
NOTE ON/OFF
This message sends data when a key is pressed (NOTE ON)
or released (NOTE OFF).
A NOTE ON/OFF message include a note number (to indicate
note whose key is being pressed or released) and velocity
(keyboard pressure as a value from 1 to 127). NOTE ON
velocity is always used to determine the relative volume of
the note. This keyboard does not receive NOTE OFF velocity
data.
Whenever you press or release a key on this keyboard, the
corresponding NOTE ON or NOTE OFF message is sent from
the MIDI OUT terminal.
NOTE
•The pitch of a note depends on the tone that is being
used, as shown in the Note Table on page A-1. Whenever
this keyboard receives a note number that is outside its
range for that tone, the same tone in the nearest
available octave is substituted.
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SETTING
[+] / [–]
Number buttons
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MIDI
*1 The BANK SELECT setting of PROGRAM CHANGE can be used
to access any of this keyboard’s 255 tones when selecting tones on
this keyboard from an external machine.
Bank 0: 128 General MIDI tones (PROGRAM CHANGE 0 to 127)
Bank 1: 118 panel tones (PROGRAM CHANGE 0 to 117)
Bank 120: 9 drum sets
(PROGRAM CHANGE 0, 8, 16, 24, 25, 32, 40, 48 and 62)
Immediately prior to sending the PROGRAM CHANGE message,
send two successive CONTROL CHANGE messages containing
the following data.
CONTROL NUMBER= 0, CONTROL VALUE= 
CONTROL NUMBER= 32, CONTROL VALUE= 0
Example: To select tone number 96 (panel tone “FLUTE 1”)
from an external MIDI machine.
CONTROL NUMBER= 0,
CONTROL VALUE= 1 (bank number)
CONTROL NUMBER= 32, CONTROL VALUE= 0
PROGRAM CHANGE= 96
*2 RPN stands for Registered Parameter Number, which is a special
control change number used when combining multiple control
changes. The parameter being controlled is selected using the
control values of control numbers 100 and 101, and then settings
are made using the control values of DATA ENTRY (control
numbers 6 and 38).
This keyboard uses RPN to control this keyboard’s pitch bend sense
(pitch change width in accordance with bend data) from another
external MIDI device, transpose (this keyboard’s overall tuning
adjusted in halftone units), and tune (this keyboard’s overall fine
tuning).
NOTE
•Sustain (control number 64), sostenuto (control number
66), and soft (control number 67) effects applied using
the foot pedal are also applied.
PROGRAM CHANGE
This is the tone selection message. PROGRAM CHANGE can
contain tone data within the range of 0 to 127.
A PROGRAM CHANGE message is sent out through this
keyboard’s MIDI OUT terminal whenever you manually
change its tone number. Receipt of a PROGRAM CHANGE
message from an external machine changes the tone setting
of this keyboard.
NOTE
•This keyboard supports 128 tones in the range 0 to 127.
However, Channel 10 is a percussion-only channel, and
Channels 0, 8, 16, 24, 25, 32, 40, 48, and 62 correspond
to the nine drum set sounds of this keyboard.
PITCH BEND
This message carries pitch bend information for smoothly
sliding the pitch upwards or downwards during keyboard
play. This keyboard does not send pitch bend data, but it can
receive such data.
CONTROL CHANGE
This message adds effects such as vibrato and volume changes
applied during keyboard play. CONTROL CHANGE data
includes a control number (to identify the effect type) and a
control value (to specify the on/off status and depth of the
effect).
The following is a list of data that can be send or received
using CONTROL CHANGE.
EffectControl Number
BANK SELECT*10, 32
Modulation 1
Volume 7
Pan 10
Expression 11
Hold1 64
Sostenuto 66
Soft Pedal 67
RPN*2100 / 101
Data Entry 6 / 38
 indicates receive-only messages
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ALL SOUND OFF
This message forces all sound being produced over the
current channel to turn off, regardless of how the sound is
being produced.
ALL NOTES OFF
This message turns off all note data sent from an external
device and currently being  sounded on the channel.
•Any notes being sustained using a sustain pedal or
sostenuto pedal continue to sound until the next pedal off.
RESET ALL CONTROLLERS
This messages initializes pitch bend and all other control
changes.
SYSTEM EXCLUSIVE*
This message is used to control system exclusives, which are
tone fine adjustments that are unique to a particular machine.
Originally, system exclusives were unique to a particular
model, but now there are also universal system exclusives
that are applicable to machines that are different models and
even produced by different manufacturers.
The following are the system exclusive messages supported
by this keyboard.
GM SYSTEM ON ([F0][7E][7F][09][01][F7])
GM SYSTEM ON is used by an external machine to turn on
this keyboard’s GM system. GM stands for General MIDI.
•GM SYSTEM ON takes more time to process than other
messages, so when GM SYSTEM ON is stored in the
sequencer it can take more than 100msec until the next
message.
GM SYSTEM OFF ([F0][7E][7F][09][02][F7])
GM SYSTEM OFF is used by an external machine to turn off
this keyboard’s GM system.
642A-E-060A
MIDI
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