Yamaha Musical Instrument CBX K2 User Manual

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PRECAUTIONS

PLEASE READ CAREFULLY BEFORE PROCEEDING

* Please keep these precautions in a safe place for future reference.

WARNING

Always follow the basic precautions listed below to avoid the possibility of serious injury or even death from electrical shock,

short-circuiting, damages, fire or other hazards. These precautions include, but are not limited to, the following:

• Do not open the instrument or attempt to disassemble the internal parts

or modify them in any way. The instrument contains no user-serviceable

parts. If it should appear to be malfunctioning, discontinue use immedi-

ately and have it inspected by qualified Yamaha service personnel.

the power switch, disconnect the adaptor plug from the outlet, and have

the instrument inspected by qualified Yamaha service personnel.

• Use the specified adaptor (PA-1D or an equivalent recommended by

Yamaha) only. Using the wrong adaptor can result in damage to the in-

strument or overheating.

• Do not expose the instrument to rain, use it near water or in damp or wet

conditions, or place containers on it containing liquids which might spill

into any openings.

• Before cleaning the instrument, always remove the electric plug from the

outlet. Never insert or remove an electric plug with wet hands.

• If the AC adaptor cord or plug becomes frayed or damaged, or if there is

a sudden loss of sound during use of the instrument, or if any unusual

smells or smoke should appear to be caused by it, immediately turn off

• Check the electric plug periodically and remove any dirt or dust which

may have accumulated on it.

CAUTION

Always follow the basic precautions listed below to avoid the possibility of physical injury to you or others, or damage to the

instrument or other property. These precautions include, but are not limited to, the following:

• Do not place the AC adaptor cord near heat sources such as heaters or

radiators, and do not excessively bend or otherwise damage the cord,

place heavy objects on it, or place it in a position where anyone could

walk on, trip over, or roll anything over it.

• Do not expose the instrument to excessive dust or vibrations, or extreme

cold or heat (such as in direct sunlight, near a heater, or in a car during the

day) to prevent the possibility of panel disfiguration or damage to the

internal components.

• When removing the electric plug from the instrument or an outlet, always

hold the plug itself and not the cord.

• Do not use the instrument near other electrical products such as televi-

sions, radios, or speakers, since this might cause interference which can

affect proper operation of the other products.

• Do not connect the instrument to an electrical outlet using a multiple-

connector. Doing so can result in lower sound quality, or possibly cause

overheating in the outlet.

• Do not place the instrument in an unstable position where it might acci-

dentally fall over.

• Unplug the AC power adaptor when not using the instrument, or during

electrical storms.

• Before moving the instrument, remove all connected adaptor and other cables.

• When cleaning the instrument, use a soft, dry cloth. Do not use paint

thinners, solvents, cleaning fluids, or chemical-impregnated wiping cloths.

Also, do not place vinyl, plastic or rubber objects on the instrument, since

this might discolor the panel or keyboard.

• Always make sure all batteries are inserted in conformity with the +/-

polarity markings. Failure to do so might result in overheating, fire, or

battery fluid leakage.

• Always replace all batteries at the same time. Do not use new batteries

together with old ones. Also, do not mix battery types, such as alkaline

batteries with manganese batteries, or batteries from different makers, or

different types of batteries from the same maker, since this can cause

overheating, fire, or battery fluid leakage.

• Do not rest your weight on, or place heavy objects on the instrument, and

do not use excessive force on the buttons, switches or connectors.

• Do not operate the instrument for a long period of time at a high or uncom-

fortable volume level, since this can cause permanent hearing loss. If you

experience any hearing loss or ringing in the ears, consult a physician.

• Do not dispose of batteries in fire.

Yamaha cannot be held responsible for damage caused by improper use or modi-

fications to the instrument, or data that is lost or destroyed.

• Do not attempt to recharge batteries that are not intended to be charged.

• If the instrument is not to be in use for a long time, remove the batteries

from it, in order to prevent possible fluid leakage from the battery.

Always turn the power off when the instrument is not in use.

Make sure to discard used batteries according to local regulations.

• Keep batteries away from children.

• Before connecting the instrument to other electronic components, turn off

the power for all components. Before turning the power on or off for all

components, set all volume levels to minimum.

The LED display and diagrams in this owner’s manual are for instructional pur-

poses only, and may be different from the ones on your instrument.

(4)-2

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Welcome to the CBX-K2

Congratulations and thank you for purchasing the Yamaha CBX-K2 MIDI Key-

board!

The CBX-K2 is a sophisticated, yet compact MIDI keyboard controller, for use

with computers and MIDI music systems. It allows you to play connected tone

generators and rhythm machines, and enter performance data to sequencers and

computers. It features a sophisticated touch-sensitive keyboard that can be ad-

justed to cover the full 128-note MIDI range. It also provides a wealth of MIDI

controls that allow you to send virtually any MIDI message directly from the

keyboard. Moreover, the CBX-K2 has three built-in assignable controllers: Assign-

able Wheel, Assignable Slider and Assignable Footswitch. The Assignable Wheel

and Assignable Slider can be set to control virtually any parameter on your con-

nected tone generator or sequencer in real time, while the Assignable Footswitch

can be used for sustain, certain sequencer controls, or as an alternate SHIFT button.

Because of its portable size, convenient battery/AC adaptor power supply, com-

patibility with General MIDI (GM) and XG, and extraordinarily powerful and

comprehensive MIDI control functions, the CBX-K2 is an invaluable tool — a

MIDI Swiss army knife, of sorts — for all MIDI musicians and performers.

IMPORTANT ■ The CBX-K2 does not contain an internal tone generator. In order

to play sounds from the CBX-K2, you need an external tone generator, such as the

Yamaha MU series or TG series tone generators.

NOTE ■ The many MIDI functions and features of the CBX-K2 may not be sup-

ported by your particular MIDI device. Be sure to refer to the owner’s manual of

your particular MIDI device when using it with the CBX-K2.

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Contents

The CBX-K2 — What It Is and What It Can Do............... 6

Assignable Wheel & Slider

What It Is ................................................................. 6

What It Can Do ........................................................ 6

— Controller Number List^{.............................................. 30}

About MIDI ...................................................................... 31

MIDI Messages Transmitted by the CBX-K2 .............. 31

CHANNEL MESSAGES........................................... 31

SYSTEM MESSAGES ............................................. 33

How to Use This Manual ................................................. 7

Panel Controls and Terminals......................................... 8

■

Note Range of the CBX-K2 (with Octave Shift ) .... 9

■

Default Settings of the CBX-K2 ........................... 10

MIDI Data Format ........................................................... 34

MIDI Reception ....................................................... 34

MIDI Transmission ................................................... 34

MIDI Implementation Chart ...................................... 36

Guided Tour

Troubleshooting .............................................................. 37

Error Messages ............................................................... 38

Specifications ................................................................. 39

About RPN and NRPN ....................................................... 39

Index ................................................................................ 40

Power Supply .................................................................. 12

■

Using a Power Adaptor ....................................... 12

Using Batteries .................................................. 12

When to Replace the Batteries............................ 12

Setting Up Your CBX-K2 ................................................. 13

What You’ll Need ..................................................... 13

Setup Examples ...................................................... 13

■

With Computer and Tone Generator .................... 13

■

With Sequencer ................................................. 14

■

With Tone Generator........................................... 14

■

With Main Keyboard and Tone Generator ............ 15

Making the Connections .......................................... 15

Playing and Using Your CBX-K2 .................................... 16

Selecting and Playing Voices.................................... 16

Changing the Voice Banks ....................................... 17

Changing the Octave Range .................................... 17

Using the Pitch Bend Wheel, Assignable Wheel, and

Assignable Slider .................................................... 18

Re-assigning the Assignable Wheel and Slider ......... 18

Changing the Touch Sensitivity of the Keyboard ........ 19

Reference

Using the SHIFT-Related Functions .............................. 20

Basic Operations ..................................................... 21

■

Selecting Group A and Group B Functions .......... 21

■

Entering Values .................................................. 21

■

Value Entry — Some Specific Examples

and Anomalies .................................................. 21

Setting the Functions...................................................... 22

Group A Operations................................................. 22

Group B Operations................................................. 24

Group A Functions — List .............................................. 26

Group B Functions — List .............................................. 28

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The CBX-K2 — What It Is and What It Can Do

What It Is

What It Can Do

The CBX-K2 is a compact, highly portable 49-key MIDI

keyboard, designed especially for use with computers and

MIDI music systems. The CBX-K2 does not generate any

sound itself, but can be used as a keyboard controller for

playing sounds on a connected tone generator or rhythm

machine. It’s also ideal for recording to sequencers and

computers. The keyboard is touch-sensitive and its octave

range can be changed to cover the full 128-note MIDI

range.

Here are a few application ideas on how you can use the

CBX-K2. The list below is not comprehensive, but is

meant to be a general guide to the possibilities and provide

a starting point or springboard for your own creative ideas

and explorations.

● Using With a MIDI Tone Generator

In one of the most basic setups, you can play a connected

tone generator from the CBX-K2. Because it’s so compact

and portable, you can even use it as a hand-held keyboard

for live performance.

The true power and flexibility of the CBX-K2 is in its

comprehensive MIDI controls. The CBX-K2 allows you to

send virtually any type of MIDI message to connected

MIDI devices. Pre-programmed commands provide easy

control of basic sequencer/rhythm machine functions such

as Start, Stop, Tempo and Song Select, while comprehen-

sive program change commands let you easily select

program banks and voices.

● Using as a Second Keyboard or Dedicated

MIDI Controller

The CBX-K2 is small enough to fit on top of nearly any

keyboard, making it perfect as a second keyboard. Since

the CBX-K2 has a MIDI IN terminal, you can connect it

between your main keyboard and your tone generator, and

use the extensive MIDI capabilities of the CBX-K2 for

greater expressive control during your performance.

Most importantly, though, the CBX-K2 has an Assignable

Wheel and Slider that can be set for control of any control-

ler number. This means that you can use the Assignable

Wheel to control a wide variety of parameters on your

connected tone generator — such as Volume, Pan, Bright-

ness, and the Depth of various effects — in real time. This

gives you expressive control over different aspects of the

sound in live performance.

● Using in a MIDI Music System

Combined with a laptop computer and a compact tone

generator (like the General MIDI/XG-compatible Yamaha

MU100R), the CBX-K2 gives you comprehensive music

making power — for recording, composing, arranging,

practicing, and editing — in a portable system that’s ready

to go wherever you go. The CBX-K2 is an ideal addition

to larger MIDI studios as well, since it provides far greater

MIDI control and flexibility than nearly any other keyboard

controller. Use it along side your main MIDI keyboard as a

kind of MIDI Swiss army knife — sending necessary MIDI

messages, working the real-time controllers, or editing

already recorded sequencer tracks.

The CBX-K2 is also the latest instrument in the Yamaha

line to support the XG format, a new addition to the

General MIDI standard. In short, XG provides for more

instrument sounds and variations, and greater expressive

control over voices and effects. With the use of the Assign-

able Wheel or Slider on the CBX-K2, you have direct real-

time control over many of these newly supported functions

and parameters.

● Multimedia

Since it’s portable and compatible with the General MIDI

and XG formats, the CBX-K2 is a natural for multimedia

applications. Because of its ease of use and comprehensive

functions, it’s the only keyboard you’ll ever need for

recording and editing MIDI data on your multimedia

creations.

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How to Use This Manual

By and large, the CBX-K2 is very easy to use and this manual is self-explanatory. However, we strongly recommend that you

take time to read the manual — especially before trying some of the more sophisticated MIDI functions. Read through all of

the initial sections first, then go on to the “Guided Tour” to set up your CBX-K2, learn how to use its various functions, and

try out some of the practical application examples to help you become more familiar with its operations. For those who need

to delve deeper, the “Reference” section provides at-a-glance information and important details on all functions.

The following conventions are used throughout this manual:

Panel buttons and controls are indicated as they appear on the actual instrument. (For example, C and

The functions and features assigned to the keyboard are shown like this: T and {.

Unless indicated otherwise, L refers to either of the ENTER keys, J or K. However,

when you wish to enter a decimal value, make sure to press K. Likewise, when entering a hexadecimal

number, make sure to press J.

Actual MIDI data messages (in hexadecimal) are indicated as follows: <<FE>> and <<En 00 40>>, etc.

Operation steps are indicated as follows:

Example

Actual Operation

C + E

C + U → L

While holding down the C button, press E (D1).

While holding down the C button, first press U (Fm1), then

press L (either J or K).

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Panel Controls and Terminals

■ Front Panel

t u y

CONTROLLER

NUMBER LIST

CONTROL CHANGE

MODULATION

BREATH

NRPN

OTHERS

11 EXPRESSION

64 HOLD1(DAMPER)

65 PORTAMENTO

71 HARMONIC

91 REVERB

93 CHORUS

94 VARIATION

123 VIBRATO RATE

124 VIBRATO DEPTH

125 VIBRATO DELAY

126 LP FILTER CUTOFF

131 EQ LO FREQUENCY

132 EQ HI FREQUENCY

133 EG ATTACK TIME

134 EG DECAY TIME

139 DRUM EG DECAY RATE 147 DRUM HP FILTER CUTOFF

152 CH PRESSURE

153 KEY PRESSURE

154 MASTER VOLUME

156 MASTER TUNING

157 VELOCITY

140 DRUM PITCH COARSE

141 DRUM PITCH FINE

142 DRUM LEVEL

148 DRUM EQ LO GAIN

PORTA TIME

DATA ENTRY

VOLUME

149 DRUM EQ HI GAIN

150 DRUM EQ LO FREQUENCY

151 DRUM EQ HI FREQUENCY

RPN

72 RELEASE TIME

73 ATTACK TIME

74 BRIGHTNESS

84 PORTA CTRL

127 LP FILTER RESONANCE 135 EG RELEASE TIME

143 DRUM PAN

TIME SIGNATURE

BOTTOM MEASURE

SEQUENCER

SONG

VOICE

MAP

POLY/

RESET SOUND OFF TG300B CHANNEL DEVICE TOUCH

DATA

MSB 1ST/ FOOT SW

DATA

10 PANPOT

120 PB SENSITIVITY

121 FINE TUNE

128 HP FILTER CUTOFF

129 EQ LO GAIN

130 EQ HI GAIN

136 DRUM LP FILTER CUTOFF

137 DRUM LP FILTER RESONANCE

138 DRUM EG ATTACK RATE

144 DRUM REVERB

145 DRUM CHORUS

146 DRUM VARIATION

158 TEMPO

SELECT TOP

MONO CONTROL ALL CH RESET

MERGE NUMBER SENSITIVITY

SYSTEM

RPN CONTROLLER NRPN

WHEEL ASSIGN

DENSITY LSB 1ST ASSIGN

TRANSPOSE

DENSITY DENSITY

122 COARSE TUNE

PROGRAM

RESET

SLIDER ASSIGN

ENTER

BANK PROGRAM

SOUND

OFF

MERGE

ON/OFF

MIDI

FIXED

DRUM

NUMBER

DRUM

RPN CONTROLLER NRPN NUMBER

HEXA

STOP CONTINUE START

TEMPO SELECT CHANGE

CH VELOCITY

RPN CONTROLLER NRPN

DECIMAL

w e

The right section of the keyboard serves as value entry

and is used for those functions whose names are under-

lined on the panel and require value entry, such as

Program Change and Tempo.

q Keyboard

The CBX-K2 has a 49-key, 4-octave keyboard (C1 to C5),

featuring initial touch (velocity) control. All note on, note

off and velocity data is transmitted via the MIDI OUT

terminal. When used with the C button, the keys are

used for changing various settings and sending special

MIDI messages. (Page 20.)

TIME SIGNATURE

SONG

SELECT TOP

BOTTOM MEASURE

SEQUENCER

STOP CONTINUE START

TEMPO

About the Functions of the CBX-K2: The functions are

divided into two groups: Group A and Group B. The

Group A and B functions are shown on the panel, above

the left section of the keyboard. Several functions can be

used by pressing only the relevant key; in other words,

pressing L is not necessary. These functions, such

as Sequencer Stop and Start, are shown on the panel

without underline.

These underlined functions require

value entry and pressing L.

Functions whose names appear with a dashed underline

on the panel (for example, GM ON and XG ON) require

pressing L.

RESET SOUND OFF TG300B

CONTROL ALL CH RESET

TIME SIGNATURE

SONG

RESET

SELECT TOP

BOTTOM MEASURE

SOUND

OFF

SEQUENCER

STOP CONTINUE START

TEMPO

These functions with dashed underline

need no value entry, but require pressing

These non-underlined functions can be

used without pressing L.

Value entry on the CBX-K2 can be done in two number

systems: Decimal and Hexadecimal. The keys labeled A

through F are for Hexadecimal entry.

NOTE ■ The normal (default) velocity range of the

CBX-K2 is from 1 to 127. The range differs according

to the Touch Sensitivity setting (pages 19, 28).

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Panel Controls and Terminals

Whenever turned on, the program number is set to 001.

Used with the keys of the keyboard, it allows you to access

the sophisticated MIDI control functions. (Page 20.)

w Pitch Bend Wheel (Pitch Bend)

This spring-loaded Wheel controls Pitch Bend. (Page 18.)

e Assignable Wheel

y N / M Buttons

These buttons are used to change the octave range of the

keyboard, allowing you to play across the entire range of

MIDI notes (C-2 to G8). When the octave setting is

modified, the current octave setting is momentarily dis-

played on the LED. (Page 17.) Press both of these buttons

together to restore the normal octave setting (C1 to C5).

When the CBX-K2 is turned on, this Wheel (with center

detent) is set to control Modulation Depth of the connected

MIDI device. It can be set to control other functions; see

on pages 18 and 26 for details. Turning the Wheel will

momentarily show the currently assigned controller number

in the LED display.

r Assignable Slider

u N / M Lamps

These lamps provide several indications:

• During normal playing conditions, these (along with the

LED display) indicate the octave setting of the key-

board, up (M) or down

When the CBX-K2 is turned on, this Slider is set to control

the data entry of the connected MIDI device. It can be set

to control other functions; see on pages 18 and 26 for

details. Moving the Slider will momentarily show the

currently assigned controller number in the LED display.

(N). Both light together for the normal

octave setting. When changing the octave setting, these

flash to indicate the number of octaves, up or down.

(Page 17.)

t C Button

This button is used to access the “hidden” functions of the

CBX-K2. Used with the N /

• When using some of the “hidden” functions, these flash

when a MIDI message is transmitted or when a function

is executed.

M buttons (when the LED display is set to

Program Change, Bank MSB, or Bank LSB), it allows you

to step up or down through program numbers. (Page 16.)

Note Range of the CBX-K2 (with Octave Shift)

Middle C

(C3 or MIDI note number 60)

C-2

(0)

C-1

(12)

(24)

(36)

(48)

(60)

(72)

(84)

(96)

(108)

(120) (127)

1 octave down

2 octaves down

3 octaves down

4 octaves up

3 octaves up

2 octaves up

1 octave up

This section is outside

the “legal” MIDI range

and plays notes Gm7

(116) through C8 (120).

Normal octave range

(default: when power is turned on)

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Panel Controls and Terminals

• The right lamp flashes quickly when a MIDI error

happens. The lamp flashes until you press any one of

the panel buttons.

o CONTROLLER NUMBER LIST

This is a list of some of the main controller numbers (and

their names) that can be used with the Assignable Wheel

and Slider. (For a complete list, see on page 30.)

i LED Display

In normal playing conditions, this displays the currently

selected program number (when Y is

selected in ·; see on page 22).

When moving the Assignable Wheel or Slider, this flashes

the currently active Controller number. (When assigned to

RPN or NRPN, the display does not flash.) For the Wheel,

the default is 001 - Modulation; for the Slider, the default

is 006 - Data Entry.

When changing the octave setting, this momentarily indi-

cates the number of octaves, up or down, from the normal

octave setting. The range is -3 (3 octaves down) to 0

(normal) to 4 (4 octaves up).

The display also indicates the status of the MIDI control

operations. Depending on the operation performed, the

display may:

• Flash rapidly, indicating the selected MIDI message has

been sent. (Ex.: When pressing C + Q.)

• Show the current condition or value. (Ex.: When

pressing C + R.) It also displays the entered

value when changing a function’s setting.

Default Settings of the CBX-K2

The CBX-K2 has no internal memory backup. As a result, all settings are returned to the factory default when turning

the power off. The basic factory default settings are listed below.

• Merge: on

• MIDI transmit channel: 1

• Octave range: C1 – C5

■ User-configurable Defaults:

You can change certain power-on default settings of the

CBX-K2. These include:

• Transpose: normal (no transposition)

• Fixed velocity: off (keyboard is velocity sensitive)

• Assignable Wheel: Modulation

• Assignable Slider: Data entry MSB

Reversing the MSB, LSB order. Hold down

N and turn the power on. (Pages 28,

29.)

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Panel Controls and Terminals

■ Rear Panel

POWER Switch

MIDI OUT Terminal

Push this switch in to turn on the power. Each time the

power is turned on, the CBX-K2 returns to the default

condition. (See boxed section on page 10.)

This is for connection to the MIDI IN terminal of another

MIDI device (such as a MIDI tone generator, sequencer or

computer that has a MIDI interface), for sending MIDI

messages to that device.

DC IN Terminal

FOOT SWITCH Jack (1/4” phone)

This is for connection to a PA-1D AC adaptor or another

adaptor recommended by Yamaha.

This is for connection of a pedal switch (such as the

optional Yamaha FC4 or FC5). The default control for the

Footswitch is sustain on/off (Controller #64). It can be set

to control other functions; see on page 28 for details.

MIDI IN Terminal

This is for connection to the MIDI OUT terminal of another

MIDI device (such as a MIDI keyboard, sequencer or

computer that has a MIDI interface), for input of that

device’s data. By using the MIDI Merge function, received

data can be combined with the data generated by the CBX-

K2 and transmitted via the MIDI OUT terminal.

NOTE ■ Make sure that the Footswitch plug is properly

connected to the FOOT SWITCH terminal before

turning on the power.

■ Do not press the Footswitch while turning the power

on. Doing this changes the recognized polarity of the

Footswitch, resulting in reversed Footswitch operation.

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Guided Tour

Setting Up the CBX-K2 in Your Music System

Whatever your system, you should follow the basic instructions below when setting up your CBX-K2. Use

the example illustrations as a general guide when making the connections with your own system.

Power Supply

Your CBX-K2 will run from the included power adaptor,

Using Batteries

PA-1D or an equivalent. Batteries can also be used (see

To use the CBX-K2 on battery power, remove the battery

below). However, we strongly recommend that you use the

compartment cover (as shown below) and insert six 1.5V

power adaptor.

AA size (SUM-3, R-6 or equivalent) batteries in the battery

compartment. Make sure to follow the polarity indications

on the bottom case.

NOTE ■ Before making any connections, make sure that

all equipment to be connected is turned off.

Battery compartment cover

Using a Power Adaptor

Connect one end of the power adaptor (PA-1D) to the DC

IN jack on the rear panel, and the other end to a suitable

electrical outlet.

CAUTION!

■ Do not attempt to use a power adaptor

other than the PA-1D (or another adaptor recom-

mended by Yamaha) . The use of an incompatible

adaptor may result in irreparable damage to the CBX-

K2, and even pose a serious shock hazard.

■ Be sure to disconnect the power adaptor from the

outlet when the CBX-K2 is not in use.

Securely replace the battery compartment cover when done

installing the batteries.

When to Replace the Batteries

DC IN

When the battery power runs too low to properly operate

the CBX-K2, an “E1” message appears in the LED display.

When this happens, replace all batteries with a complete set

of six new batteries of the same type.

CAUTION!

■ NEVER mix old and new batteries or

different types of batteries! Also, to prevent possible

damage due to battery leakage, remove the batteries

from the instrument if it is not to be used for a long

time.

STANDBY (?)

Power adaptor

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Setting Up Your CBX-K2

All the devices must be turned off before making connections.

In this introductory section, you’ll learn how to set up the

CBX-K2 for use in your music system. A variety of setups

are covered here; read through the one that most closely

matches your own setup.

With Computer and Tone Generator

In the small MIDI system below, the CBX-K2 is connected

to a computer and a single tone generator. With the proper

sequencing software on the computer, the CBX-K2 can be

used both for recording performance data to the computer

and playing the sounds of the connected tone generator.

You can also conveniently use the CBX-K2 to start and stop

the sequencer.

What You’ll Need

Since the CBX-K2 is strictly a MIDI controller and does

not generate any sound by itself, you’ll need other data-

receiving and sound-producing equipment. Basically, you

will need:

For tone generators with a built-in MIDI interface (such as

the Yamaha MU100R)

The CBX-K2 and PA-1D AC power adaptor (or a set of

batteries).

A MIDI device (such as a tone generator, keyboard or

computer) which can receive and play back MIDI data,

and at least one MIDI cable.

MIDI OUT

CBX-K2

(Optional) An amplifier/speaker system, preferably

stereo, with proper audio connecting cables. Alter-

nately, you can use a set of stereo headphones.

Setup Examples

Tone generator

MU100R

MIDI IN

TO HOST

NOTE ■ All devices must be turned off before making

connections.

■ The setup examples below show only the MIDI

connections. The audio connections would vary

according to the particular equipment you use. Refer

to the owner’s manuals of your other equipment for

audio connection instructions.

Serial port

When connecting the instrument to other MIDI devices, be

sure to use only high-quality MIDI cables. Also, avoid

using cables longer than 15 meters, since long cables can

result in data errors.

The HOST SELECT switch

on the MU100R allows you

to match the type of

computer, when connecting

directly to a computer.

Computer

Connect the MIDI OUT terminal on the CBX-K2 to the

MIDI IN terminal on the MU100R. The MU100R should be

connected to the proper port on the computer. (For

complete connection instructions, refer to the owner’s

manual of your particular tone generator.)

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Setting Up Your CBX-K2

For tone generators without a built-in MIDI interface

With Sequencer

The CBX-K2 can be used with a stand-alone sequencer, for

recording and editing performance data.

CBX-K2

MIDI OUT

CBX-K2

MIDI OUT

MIDI IN

MIDI OUT

MIDI

Interface

MIDI IN

Tone generator

Serial port

Sequencer

Connect the MIDI OUT terminal on the CBX-K2 to the MIDI

IN terminal on the sequencer.

Computer

Connect the MIDI OUT terminal on the CBX-K2 to the MIDI

IN terminal on the computer’s MIDI interface. The tone

generator should be connected to a MIDI OUT on the

interface.

With Tone Generator

In the simple system below, the CBX-K2 is used to play the

voices of the MU100R Tone Generator. This setup could

also serve as a simple, yet powerful live performance rig,

with the CBX-K2 being used as a portable keyboard

controller.

NOTE ■ Set the MIDI Thru (or Echo Back) setting on

the sequencer software to ON.

As for the required MIDI settings for the computer and

sequencer software, refer to the respective manuals.

MIDI OUT

CBX-K2

MIDI IN

Tone generator

MU100R

Connect the MIDI OUT terminal on the CBX-K2 to the MIDI

IN terminal on the MU100R.

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Setting Up Your CBX-K2

With Main Keyboard and Tone Generator

Making the Connections

In this system, the CBX-K2 effectively serves as a second

keyboard. The main keyboard (in this case, the Clavinova)

is used to play both its own internal sounds and the sounds

of the connected multi-timbral tone generator on one

channel, while the CBX-K2 is used to play the sounds of

the tone generator on another channel. This lets you play

two sounds at once from the Clavinova, and play a third

sound from the CBX-K2.

CAUTION!

■ Before making any connections, make

sure that all equipment to be connected is set to

minimum volume and turned off.

Operation

Connect the MIDI OUT terminal of the CBX-K2 to the

MIDI IN terminal of the tone generator, sequencer or

computer MIDI interface (as shown in the illustrations

above).

MIDI IN

MIDI OUT

Make all necessary audio connections, making sure first

that all level controls on those devices are set to the

minimum. (Refer to the owner’s manuals of the devices

you are using for more information on connections.)

CBX-K2

MIDI IN

Turn the power on for the various equipment in the

following order:

MIDI OUT

1) CBX-K2

2) Computer

3) Tone generator(s)

4) Audio devices (mixer, amplifier, etc.)

When turning off the power, simply reverse the above

order, turning off the CBX-K2 last.

Tone generator

MU100R

MIDI keyboard

Connect the MIDI OUT terminal on the main keyboard to

the MIDI IN terminal on the CBX-K2. Also connect the

MIDI OUT terminal on the CBX-K2 to the MIDI IN terminal

on the tone generator.

In a variation of the above setup, set the Clavinova and

CBX-K2 to transmit on the same channel, and set the CBX-

K2’s MIDI Merge function to ON. This lets you play the

tone generator from either keyboard and use the versatile

MIDI functions of the CBX-K2 to control the tone genera-

tor — for example, changing the brightness of the sound in

real time with the Assignable Wheel.

NOTE ■ When an external MIDI device is connected to

the MIDI IN of the CBX-K2, the LED display may

indicate a MIDI error. This is probably due to a

longer-than-normal interval between active sensing

messages received from the device, or could be the

result of an improper connection. In such a case, the

CBX-K2 automatically resets to Merge Off (pages 26,

34). Check the connected device or cable before

continuing.

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Playing and Using Your CBX-K2

This section of the manual guides you through some of the

basic features and functions of the CBX-K2. It also

provides some advanced operation examples, so that you

can get a feel for what the CBX-K2 is capable of, and how

you can best use it. Master the basics in this section, and

you’ll have the experience and know-how to easily and

confidently use any of the more advanced functions covered

later in the Reference section.

In this section, you’ll learn how to:

•

Transmit program change messages and play the

keyboard.

•

Select a voice bank.

Change the octave setting of the keyboard.

Use the Pitch Bend and Assignable Wheels.

Re-assign the controller for the Assignable Wheel

and Slider.

•

Change the Touch Sensitivity of the keyboard.

Selecting and Playing Voices

The CBX-K2 lets you select voices (or program numbers)

When the CBX-K2 is turned on, the starting point for

program change is 001. This means that when you first

hold down C and press M, program

number 002 will be selected.

on your connected MIDI device in two ways: stepping up

or down through the program numbers, or directly selecting

a specific program number.

•

To step up or down through the program numbers:

First, make sure that the program number is shown

in the display (see the Display Program Change

function, page 26). Then, simultaneously hold down

C and press M (to advance one

program number), or press N (to go

back one program number).

IMPORTANT! ■ Always release C before playing

the CBX-K2 keyboard. Holding down C accesses

the secondary A or B group or other functions, and you

may inadvertently execute one of these functions by

playing the keyboard while continuing to hold down

NOTE ■ This function does not “wrap around.” In

other words, you cannot go back to program number

128 when at 001, or advance to program number 001

when at 128.

•

To change the program number:

While holding down C, press the key corre-

sponding to Y (F1), then the keys

corresponding to the desired number, then the key

corresponding to K.

For example, to select program number 017, continue

holding down C and press Y, 1,

7, then K. Release C, and play the key-

board to hear the newly selected Voice.

The program number in the LED display changes accord-

ingly, and the OCTAVE SHIFT lamps quickly flash on and

off. Release C, and play the keyboard to hear the

newly selected voice.

To quickly move up or down through the program numbers,

continuously hold down C and the appropriate OC-

TAVE SHIFT button.

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Playing and Using Your CBX-K2

Changing the Voice Banks

Many currently available tone generators feature multiple

banks of voices. The CBX-K2 can be used to quickly and

easily select these additional banks. Some banks may not

be available on your particular tone generator; check the

manual for details.

While continuing to hold down C, enter the

number 64 (press 6, then 4), then press

Operation

Simultaneously hold down C and press

MSB value

LSB value

The LED display indicates the current Bank setting by

alternately flashing the MSB and LSB values. (In this

case, the default setting, both of these values are 000.)

This sets the Bank to 064 (LSB value). The LED

display alternately flashes the MSB and LSB values,

000 and 064.

To restore the original Bank (or select other Banks), hold

down C, press T, 0 (or another number

for a different Bank), and K.

MSB value

LSB value

The display alternately flashes the

MSB and LSB values.

Changing the Octave Range

The range of the 4-octave keyboard can be easily shifted up

or down to cover the full 10-1/2-octave (128-note) range of

MIDI notes. (See on page 9 for the note range.)

You can instantly restore the normal octave range by

pressing both N/M buttons

simultaneously.

Operation

NOTE ■ At the highest octave setting, keys outside the

legal MIDI note range will repeat a previous octave.

To shift the keyboard up one octave, press

M. To shift the keyboard down one

octave, press N.

When the octave range is changed, the LED display briefly

indicates the new setting. The OCTAVE SHIFT lamps

also rapidly flash one or more times, according to the

selected octave range. For example, when the setting is

changed to two octaves below normal, the left lamp flashes

twice.

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Playing and Using Your CBX-K2

Using the Pitch Bend Wheel, Assignable Wheel, and Assignable Slider

These two wheels and slider let you control different

aspects of the sound in realtime as you play. These con-

trols affect the connected MIDI instrument.

pitch up. The Pitch Bend Wheel is spring-loaded for

returning to center (normal pitch).

Move the Assignable Wheel as you play to change the

modulation of the sound (MIDI Controller #1). Moving the

wheel away from you increases the modulation. Moving

the Assignable Slider changes the Data Entry value (MIDI

Controller #6). (Notice that the “006” flashes in the

display, indicating data for Controller #6 is being transmit-

ted.) The Assignable Wheel and Assignable Slider can also

be set to control other functions; see the section below for

details.

Move the Pitch Bend Wheel as you play to change the pitch

of the sound. Moving the wheel away from you bends the

Depending on the connected device and the selected voice,

there may be no response or change in the sound. Refer to

the owner’s manual of the particular device for details.

Re-assigning the Assignable Wheel and Slider

As mentioned above, the Assignable Wheel and Slider can

be used to control a variety of different functions. The

default setting for the Wheel is modulation (MIDI Control-

ler #1), and the default for the Slider is data entry (MIDI

Controller #6). However, either can be set to control

volume, pan position, attack or release time, coarse tuning

or fine tuning, and reverb or chorus depth, among other

Controllers. (For a complete list of the available Control-

lers and their numbers, see on page 30.)

suited to control numbers such as #10 (Pan) and #73

(Attack Time) because of its center detent.

Try entering other Controller numbers, repeating steps 1

and 2 above. (A short list of Controllers is printed on the

panel. Try entering some of these; many—but not all—of

these will have an obvious effect on the sound as you move

the wheel.)

Assignable Slider / Operation

Assignable Wheel / Operation

Simultaneously hold down C and press

S in the ‡ section.

Simultaneously hold down C and press

S in the ﬁ section.

The LED display indicates the current Assignable

Slider’s Controller number.

The LED display indicates the current Assignable

Wheel’s Controller number.

While continuing to hold down C, enter the

desired Controller number (for example, “7” for

While continuing to hold down C, enter the

number 10 (press 1, then 0), then press

MIDI volume control), then press K.

Play the keyboard and move the Assignable Slider as

you play, and hear how the volume of the sound

changes (if you are using Controller #7).

This sets the Assignable Wheel to Controller number 10

(Pan). Play the keyboard and move the Assignable Wheel

as you play, and hear how the sound moves left and right in

the stereo image as you move the Wheel. As you move the

Wheel, the currently assigned Controller number appears in

the LED display. The Assignable Wheel is particularly

You can also assign RPN and NRPN numbers to the

Assignable Wheel or Slider. (Pages 26 and 30.)

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Playing and Using Your CBX-K2

Changing the Touch Sensitivity of the Keyboard

The Touch Sensitivity function lets you change how the

Voices respond to your playing strength.

While continuing to hold down C, enter the

number 1, then press K.

This sets Touch Sensitivity to 1 (easy). Now, when you

play the keyboard, even playing softly results in a

reasonably loud sound.

NOTE ■ Touch Sensitivity is a “Group B” function. The

“Group A” functions (such as Program Change, Bank

Select, and Controller, which were covered above) are

shown on the panel and explained in detail on pages 26

– 27. The Group B functions (listed and explained on

pages 28 – 29) are also shown on the panel but are

accessed differently than Group A functions.

Try entering other values (the range is 1–10), and hear how

they affect the response of the keyboard. The default value

is 10, and can also be restored by simply turning the CBX-

K2 off and on again.

Operation

NOTE ■ When Fixed Velocity is set to a value other

Simultaneously hold down C, press ç,

then ˙.

than 0 (off), the Touch Sensitivity setting has no effect.

For more information on Touch Sensitivity, see footnote #5

on page 28.

Pressing ç first (before any function key) calls

up the Group B functions. The LED display indicates

the current Touch Sensitivity value.

This concludes the basic tour of some of the important functions of the CBX-K2. To find out more about

how to use your CBX-K2, look through the Reference section that follows and try out some of the func-

tions and operations that interest you.

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Reference

Using the SHIFT-Related Functions

The enormous flexibility and power of the CBX-K2 is in its

“hidden” or SHIFT-related functions — allowing you to

send virtually any kind of MIDI message directly from the

keyboard or use the Assignable Wheel/Slider for real-time

control change.

Many of the functions can be done with one or two key-

strokes, while others require you to enter a number value

and press one of the L keys to execute the function.

All functions can be accessed or executed by using one of

the operations described below.

Displays current setting or value.

CONTROLLER

NUMBER LIST

CONTROL CHANGE

MODULATION

11 EXPRESSION

NRPN

OTHERS

91 REVERB

93 CHORUS

94 VARIATION

123 VIBRATO RATE

124 VIBRATO DEPTH

125 VIBRATO DELAY

126 LP FILTER CUTOFF

131 EQ LO FREQUENCY

132 EQ HI FREQUENCY

133 EG ATTACK TIME

134 EG DECAY TIME

139 DRUM EG DECAY RATE 147 DRUM HP FILTER CUTOFF

152 CH PRESSURE

153 KEY PRESSURE

154 MASTER VOLUME

156 MASTER TUNING

157 VELOCITY

BREATH

64 HOLD1(DAMPER)

65 PORTAMENTO

71 HARMONIC

72 RELEASE TIME

73 ATTACK TIME

74 BRIGHTNESS

84 PORTA CTRL

140 DRUM PITCH COARSE

141 DRUM PITCH FINE

142 DRUM LEVEL

148 DRUM EQ LO GAIN

PORTA TIME

DATA ENTRY

VOLUME

149 DRUM EQ HI GAIN

150 DRUM EQ LO FREQUENCY

151 DRUM EQ HI FREQUENCY

RPN

127 LP FILTER RESONANCE 135 EG RELEASE TIME

143 DRUM PAN

TIME SIGNATURE

SONG

VOICE

MAP

POLY/

RESET SOUND OFF TG300B CHANNEL DEVICE TOUCH

DATA

MSB 1ST/ FOOT SW

DATA

10 PANPOT

120 PB SENSITIVITY

121 FINE TUNE

128 HP FILTER CUTOFF

129 EQ LO GAIN

130 EQ HI GAIN

136 DRUM LP FILTER CUTOFF

137 DRUM LP FILTER RESONANCE

138 DRUM EG ATTACK RATE

144 DRUM REVERB

145 DRUM CHORUS

146 DRUM VARIATION

158 TEMPO

SELECT TOP

BOTTOM MEASURE

MONO CONTROL ALL CH RESET

MERGE NUMBER SENSITIVITY

SYSTEM

RPN CONTROLLER NRPN

WHEEL ASSIGN

DENSITY LSB 1ST ASSIGN

TRANSPOSE

DENSITY DENSITY

122 COARSE TUNE

SEQUENCER

PROGRAM

RESET

SLIDER ASSIGN

ENTER

BANK PROGRAM

SOUND

OFF

MERGE

ON/OFF

MIDI

FIXED

DRUM

NUMBER

DRUM

RPN CONTROLLER NRPN NUMBER

HEXA

STOP CONTINUE START

TEMPO SELECT CHANGE

CH VELOCITY

RPN CONTROLLER NRPN

DECIMAL

MIDI functions

(Group A and Group B)

Display

Value entry

(Decimal and Hexadecimal)

keys

ç key

The MIDI functions can be generally divided into three

types, according to their operation.

In using the SHIFT-related functions, remember

Keep holding down C until the end of the

operation. If C is released in mid-operation,

you’ll have to start the operation all over again.

Holding C and pressing the function’s key. For

these functions, such as Sequencer Stop and Start,

pressing L is not necessary. These functions are

shown on the panel without underline.

Holding C, pressing the function’s key and then

L. These functions are indicated with a dashed

underline on the panel (for example, GM ON and XG

ON) and require pressing L to execute.

Holding C, pressing the function’s key, entering

a value and then pressing L. These functions

are indicated with an underline on the panel (for ex-

ample, PROGRAM CHANGE and TEMPO), and

require that a value (Decimal or Hexadecimal) be

entered.

In the instructions that follow, “L” refers to either of

the ENTER keys, J or K. In other

words, this means that either key can be used, unless

indicated otherwise.

NOTE ■ Both N / M

lamps flash briefly when a function is executed. The

LED display flashes briefly when a MIDI message is

sent.

When changing a function, the LED display indicates

the on/off status or the value of the function.

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Using the SHIFT-Related Functions

Basic Operations

Selecting Group A and Group B Functions

● Selecting Group A Functions:

* 1 → 0 → 0 → 3 → K: results in a value of

MSB = 001, LSB = 003.

* 0 → 1 → 0 → 0 → 3 → K: results in a

value of MSB = 001, LSB = 003.

Hold down C and press the appropriate key. (See

on pages 26 – 27 for specific Group A functions and

how to use them.)

● Entering MSB/LSB Values with J (2 digit

bytes for MSB, 2 digit bytes for LSB; 4 digits total

message). For messages beginning with zeroes, the

first zeroes can be omitted.

● Selecting Group B Functions:

Hold down C and press ç. The Group B

functions are available as long as you continue to hold

down C. (See on pages 28 – 29 for specific Group

B functions and how to use them.)

Examples:

* 3 → J: results in a value of MSB = 00, LSB = 03.

* 0 → 3 → J: results in a value of MSB = 00,

LSB = 03.

Entering Values

* 1 → 0 → 3 → J: results in a value of MSB

= 01, LSB = 03.

Value entry on the CBX-K2 can be done in two number

systems: Decimal and Hexadecimal. The keys labeled A

through F are for Hexadecimal entry.

* 0 → 1 → 0 → 3 → J: results in a value

of MSB = 01, LSB = 03.

● Entering a decimal value:

When entering MSB and LSB values, the LED display

alternately flashes the MSB and LSB values in hexadecimal

or decimal form.

Hold down C, press the appropriate function key,

enter the desired value in decimal format, then press

Display alternately flashes MSB and LSB

● Entering a hexadecimal value:

Hold down C, press the appropriate function key,

enter the desired value in hexadecimal format, then

press J.

Dot in this position

indicates MSB.

Dot in this position

indicates LSB.

Example — Setting the MIDI Transmit Channel to 12:

Decimal:

C + { → 1 → 2 → K

Hexadecimal:

NOTE ■ The order of MSB and LSB entry can be

C + { → c → J

reversed. (See MSB 1ST/LSB 1ST on page 28.)

Also see the Decimal-Hexadecimal Conversion Chart

on page 33.)

NOTES ON THE BASIC OPERATION

■ If you inadvertently press two or more function keys

while performing a function, the last pressed key has

priority.

Value Entry — Some Specific Examples

and Anomalies

■ If, after entering a value, you press another function

key before pressing L, the value will be can-

celled.

■ If you enter a value that is outside of a function’s

range, it will be ignored. Legal messages can be one

byte in length (a value from 0 – 255) exception for

Tempo value and Measure Number.

● Entering MSB/LSB Values with K (3 digit bytes

for MSB, 3 digit bytes for LSB; 6 digits total message).

For messages beginning with zeroes, the first zeroes

can be omitted.

Examples:

* 3 → K: results in a value of MSB = 000, LSB = 003.

* 0 → 3 → K: results in a value of MSB = 000, LSB =

003.

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Setting the Functions

This section shows by example the operations for the basic

functions.

ever, when you wish to enter a decimal value, make sure

to press K. Likewise, when entering a hexadeci-

mal number, make sure to press J.

Unless indicated otherwise, L refers to either of

the ENTER keys, J or K. How-

Group A Operations

● Numbers

numbers below.

–

in the illustration correspond to the operation

Group A function names are shown on the panel above the

corresponding keys. For the list and explanations of Group

A functions, refer to pages 26 – 27.

TIME SIGNATURE

SONG

VOICE

MAP

POLY/

RESET SOUND OFF TG300B CHANNEL DEVICE TOUCH

DATA

MSB 1ST/ FOOT SW

DATA

SELECT TOP

BOTTOM MEASURE

MONO CONTROL ALL CH RESET

MERGE NUMBER SENSITIVITY

SYSTEM

RPN CONTROLLER NRPN

WHEEL ASSIGN

DENSITY LSB 1ST ASSIGN

TRANSPOSE

DENSITY DENSITY

SEQUENCER

RESET

SLIDER ASSIGN

DISPLAY

PROGRAM

BANK PROGRAM

SOUND

OFF

MERGE

ON/OFF

MIDI

FIXED

DRUM

NUMBER

DRUM

PROGRAM BANK BANK

STOP CONTINUE START

TEMPO SELECT CHANGE

CH VELOCITY

RPN CONTROLLER NRPN

RPN CONTROLLER NRPN NUMBER

CHANGE

MSB

LSB

Sending a Simple Command

Setting a Simple Command with L

Operation: C + Function Key

Operation: C + Function Key → L

Relevant Functions: Sequencer Stop/Continue/Start; Sound

Off

Relevant Functions: GM Mode On; XG System On; Display

● Example: Setting the tone generator to XG Mode

C + O → L

● Example: Sending a Start command to a sequencer or rhythm

machine

NOTE ■ Either L key can be used for these

C + E

commands.

You can use the Q and W keys in the same

way, to stop the sequencer or continue playback from the

stopped point.

Setting a Specific Value for a Function

Operation: C + Function Key → Value → L

Setting a Simple Command (on/off)

Operation: C + Function Key

Relevant Functions: Tempo; Program Change; MIDI Channel;

Fixed Velocity; Controller; Drum Number; Transpose

Down/Up

Relevant Functions: Merge On/Off

● Example: Switching the MIDI Merge function of the CBX-K2 on or off

C + P

● Example: Changing the tempo value on a sequencer or rhythm

machine

C + R → 1 → 4 → 0 → K

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Setting the Functions

Setting a Specific Value for a Function

(MSB, LSB)

Operation: C + Function Key → MSB value → LSB

value → L

Setting a Specific Value for a Specific

Controller

Operation: C + Function Key → Controller Number →

L → {Value(s) → L}

Relevant Functions: Bank Select; RPN; NRPN

Relevant Functions: RPN*; Controller; NRPN*

Functions marked with an asterisk (*) above require

that you enter two values: an MSB (Most Significant

Byte) and an LSB (Least Significant Byte). (See

● Example: This example shows how to use the Bank Select function to

select different banks. This example also shows you how to use

the functions that require entry of two values: MSB and LSB.

operation

, this page.)

In this example, we’ll enter a value of 012 (MSB) 034 (LSB)

C + T → 0 → 1 → 2 → 0 → 3

→ 4 → K

● Example: Changing the Portamento Time to 25.

C + S → 5 (Portamento Time) → L →

{2 → 5 → L}

C + T → 0 → c → 2 → 2 →

The operation steps enclosed in braces ({}) can be repeated

or re-entered as long as C is held.

NOTE ■ Decimal values of MSB and LSB are 3 digits

each (6 digits total); hexadecimal values are 2 digits

each. Zeroes must be entered, unless they occur at the

beginning of the value. For example, for the decimal

value of 001 (MSB) 012 (LSB), the first two zeroes may

be omitted, but the third must be entered. In other

words, the value could be entered as 1 → 0 →

1 → 2.

NOTE ■ This operation assigns a controller number for

the Assignable Wheel or Slider, and sends a specific

value for that controller number. You can also send a

specific value for the controller (in the Group B func-

tions) without altering the controller assignment.

Selecting a Drum Number (when editing

a specific drum number with controller

numbers 136 – 151)

Transpose Setting

Operation: C + G / H

You can use operation

above to set the drum number

To transpose up one semitone, use the H key

(F2). To transpose down one semitone, use the

G key (E2). Each repeated pressing of the

key while holding C transposes the pitch by an

additional semitone. To restore the normal default trans-

pose setting, hold down C and press both

for editing a specific drum number with controller numbers

136 – 151. However, the following operation lets you set

the Drum number by playing it from the keyboard. This

allows you to hear the drum sound you’ll be editing, since

the last note played on the keyboard determines the drum

sound to be changed.

G / H keys simultaneously.

Without pressing C, find the desired drum number by

sound — by pressing keys on the keyboard. Next, hold

down C, press F, then L. This sets

the drum number to the last key pressed. Then (to set the

controller number for that drum sound), hold down C

and press S, then enter the controller number

(136 through 151). This sets the Controller Number for the

Drum parameter you wish to control with the Assignable

Wheel or Slider.

NOTE ■ You can also enter transpose values directly by

using operation

above.

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Setting the Functions

Unless indicated otherwise, L refers to either of

the ENTER keys, J or K. How-

ever, when you wish to enter a decimal value, make sure

to press K. Likewise, when entering a hexadeci-

mal number, make sure to press J.

Group B Operations

Group B function names are also shown on the panel above

the Group A function names. For the list and explanations

of Group B functions, refer to pages 28 – 29.

● Numbers

operation numbers below.

–

in the illustration correspond to the

TIME SIGNATURE

SONG

VOICE

MAP

POLY/

RESET SOUND OFF TG300B CHANNEL DEVICE TOUCH

DATA

MSB 1ST/ FOOT SW

DATA

SELECT TOP

BOTTOM MEASURE

MONO CONTROL ALL CH RESET

MERGE NUMBER SENSITIVITY

SYSTEM

RPN CONTROLLER NRPN

WHEEL ASSIGN

DENSITY LSB 1ST ASSIGN

TRANSPOSE

DENSITY DENSITY

SEQUENCER

RESET

SLIDER ASSIGN

DISPLAY

PROGRAM

BANK PROGRAM

SOUND

OFF

MERGE

ON/OFF

MIDI

FIXED

DRUM

NUMBER

DRUM

PROGRAM BANK BANK

STOP CONTINUE START

TEMPO SELECT CHANGE

CH VELOCITY

RPN CONTROLLER NRPN

RPN CONTROLLER NRPN NUMBER

CHANGE

MSB

LSB

Sending a Simple Command

Setting a Simple Command (on/off)

Operation: C + ç → Function Key

Relevant Functions: Time Signature Top*; Time Signature

Bottom*; Poly/Mono; Reset Controll; Sound Off (all

channels); MSB/LSB Invert; Footswitch Assign*

Operation: C + ç → Function Key → Value

Relevant Function: Merge On/Off (each channel)

● Example: Switching the MIDI Merge function of the CBX-K2 on or off

for MIDI channel 12

* Repeatedly press function key to select the various

values/settings for these functions.

C + ç → ƒ → c (hexadecimal for

MIDI channel 12)

● Example: Sending a Reset All Controllers command to a sequencer or

tone generator

Keys 1 – f and 0 correspond to MIDI channel 1–

15 and 16, respectively. Pressing each key toggles the on/

off status of each channel.

C + ç → å

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Setting the Functions

NOTE ■ Decimal values of MSB and LSB are 3 digits

each (6 digits total); hexadecimal values are 2 digits

each. Zeroes must be entered, unless they occur at the

beginning of the value. For an example of MSB = 012,

LSB = 034 above, the first zero may be omitted, but the

second must be entered. In other words, the value

could be entered as 1 → 2 → 0 → 3 →

4 → K.

Sending a Simple Command with L

Operation: C + ç → Function Key → L

Relevant Function: TG300B Reset

● Example: Sending the current CBX-K2 settings to a MIDI storage

device or sequencer with the Bulk Dump Out function

C + ç → ™ → L

Setting a Specific Value for a Function

Sending a Single-Byte Data Message

This function allows you to quickly and easily

send a non-standard MIDI message of a single

byte. The effective range of this function is from

0–255; values outside of this range will be

ignored.

Operation: C + ç → Function Key → Value →

Relevant Functions: Song Select; Voice Map; Device

Number; Touch Sensitivity; Data Density (Wheel); PB

Density; Data Density (Slider); Measure Number

● Example: Changing the touch sensitivity of the CBX-K2 to 10

C + ç → ˙ → 1 → 0 →

Operation: C + ç → {Value → L}

● Example: Sending a (decimal) value of 252

C + ç → {2 → 5 → 2 → K}

Setting a Specific Value for a Specific

Controller

The operation steps enclosed in braces ({}) can be repeated

or re-entered as long as C is held.

Operation: C + ç → Function Key →

Controller Number → L → {Value(s) → L}

Relevant Functions: RPN Direct Data Send*; Controller

Direct Data Send; NRPN Direct Data Send*

Functions marked with an asterisk (*) above require

that you enter two values: an MSB (Most Significant

Byte) and an LSB (Least Significant Byte). (See on

page 21 and operation

, page 23.)

● Example: Changing the Portamento Time of the tone generator’s voice

to 25.

C + ç → S → 5 (Portamento Time) →

K → {2 → 5 → K}

The operation steps enclosed in braces ({}) can be repeated

or re-entered as long as C is held.

NOTE ■ This operation transmits a value for the

specified controller number WITHOUT altering the

current controller assignment for the Assignable Wheel

or Assignable Slider.

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Group A Functions — List

Key

Panel Name

Function name

Stop

Operation (press and hold [SHIFT])

C + Q

Operation Examples

SEQUENCER

STOP

C#1

CONTINUE

START

Continue

Start

C + W

C + E

D#1

TEMPO

Tempo

C + R → (tempo value) → L

PROGRAM

RESET

BANK SELECT

Bank Select

C + T → (MSB) → (LSB) → L

PROGRAM CHANGE

Program Change

C + Y →

(program change number) → L

F#1

GM ON

GM System On

C + U → L

ALL SOUND OFF

XG ON

All Sound Off

(current channel)

C + I

G#1

XG System On

C + O → L

SYSTEM

MERGE ON/OFF

Merge On/Off(all channel)

C + P

A#1

MIDI CH

MIDI Transmit channel

Fixed Velocity

C + { → (channel number) → L

FIXED VELOCITY

C + } → (velocity value) → L

WHEEL ASSIGN

RPN

Wheel Assign (RPN)

C + A → (MSB) → (LSB) → L

C#2

CONTROLLER

Wheel Assign

(controller number)

C + S → (controller number) → L

NRPN

Wheel Assign (NRPN)

Drum Number (Wheel)

C + D → (MSB) → (LSB) → L

D#2

DRUM NUMBER

Select the desired drum sound from the keyboard (page 23)

then press C + F → L

TRANSPOSE

Transpose Down

Transpose Up

C + G → {G} →

....(press repeatedly)

C + H → {H} →

....(press repeatedly)

F#2

SLIDER ASSIGN

RPN

Slider Assign (RPN)

C + A → (MSB) → (LSB) → L

CONTROLLER

Slider Assign

(controller number)

C + S → (controller number) → L

G#2

NRPN

Slider Assign (NRPN)

Drum Number (Slider)

Display Program Change

C + D → (MSB) → (LSB) → L

DRUM NUMBER

PROGRAM CHANGE

Select the desired drum sound from the keyboard (page 23)

then press C + F → L

D#3

DISPLAY

C + Y → L

BANK MSB

BANK LSB

Display Bank Select MSB

Display Bank Select LSB

C + ¢ → L

C + ¶ → L

function other than Tempo, the current value is effective. The range

for this function is 20 – 300 bpm; when the Wheel or Slider is set to

control Tempo, the range is slightly narrower: 28 – 282 bpm. When

this is set to 0, “oFF” is shown in the display.

● Footnotes

*1 The operation steps in braces ({}) can be repeated or re-entered as

long as C is held.

*2 Depending on the selected message or the particular device that is

connected to the CBX-K2, there may be no response. Refer to the

owner’s manual of the device for details.

*5 The entry order of the MSB and LSB values can be changed by using

the MSB 1ST/LSB 1ST in Group B.

*6 The actual program change number transmitted by the CBX-K2 is the

displayed number minus one. For example, program number 001 on

the display is actually transmitted as 000.

*3 Be careful not to press the connected footswitch when footswitch is

assigned to “SUS”; the operation cannot be executed while the

footswitch is pressed.

*7 The value can also be easily increased or decreased. First, make sure

that the display is set appropriately (to Program Change or Bank

*4 When Tempo is assigned to the Assignable Wheel or Slider, this

setting is ignored. When the Assignable Wheel or Slider is set to a

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Group A Functions — List

Range (Hexadecimal Default

Explanation

in parentheses)

setting

MIDI Code

<<FC>>

<<FB>>

<<FA>>

Notes

Stop command for sequencer/rhythm machine.

Continue command for sequencer/rhythm machine.

Start command for sequencer/rhythm machine.

Tempo entry for sequencer/rhythm machine. Setting to 0 disables the MIDI clock transmission.

When Assignable Wheel or Slider is set to Tempo (158), this is inactive.

0, 20-300(0, 14-12C)

0(oFF)

<<F8>>

*2, *4

This allows selection of voice banks on tone generators that support multiple banks. This

message must include both MSB and LSB values.

MSB:000-127(00-7F)

LSB:000-127(00-7F)

MSB:000

LSB:000

<<Bn 00 msb, Bn 20 LSB, Cn pp>>

<<Cn pp>>

*5, *7

*6, *7

Transmits the selected program change number. Stepping up or down through program

numbers is also possible by holding down C and using the N/

M buttons (page 16).

1-128(1-80)

This resets the connected tone generator to GM operation. Caution: Be careful when using

this, since it automatically changes whatever settings you’ve made on the tone generator.

(Only GM compatible tone generators respond to this message.)

<<F0 7E 7F 09 01 F7>>

This turns all sounds off over the current MIDI channels. To turn all sounds off for all MIDI

channel, use All Sounds Off in Group B.

<<Bn 78 00>>

This resets the connected tone generator to XG operation. Caution: Be careful when using

this, since it automatically changes whatever settings you’ve made on the tone generator.

(Only XG compatible tone generators respond to this message.)

<<F0 43 1s 4C 00 00 7E 00 F7>>

When set to ON, this merges all data received at MIDI IN with the data generated by the

CBX-K2. Merge can be set independently for each channel in the Group B. (For details about

MIDI Merge, refer to page 34.)

on, oFF

This determines the MIDI transmit channel for the CBX-K2. This should be set to match the

MIDI receive channel of the connected MIDI device.

1-16(1-10)

This sets a fixed velocity value for the keyboard; in other words, playing the keyboard at any

strength results in a certain velocity value. When this is set to 0 or “oFF”(initial touch on),

Touch sensitivity can be set in the Group B .

0, 1-127(0, 1-7F)

0(oFF)

When the Assignable Wheel or Slider is set to Velocity(157), this is inactive.

This determines the RPN (Registered Parameter Number) controller for the Assignable Wheel.

The message must include both MSB and LSB values.

MSB:000-127(00-7F)

LSB:000-127(00-7F)

<<Bn 64 LSB, Bn 65 MSB, Bn 06 vv>>

Refer to the Controller list on page 30.

*5, *10

*10

This determines the Controller number for the Assignable Wheel. Though not all are listed on

the panel, any of the standard Control Change numbers (0 - 119) can be assigned. (For a

complete list of the available controllers and their numbers, see on page 30.)

0-158(0-9E)

<<Bn gg vv>>etc..

Refer to the Controller list on page 30.

This determines the controller by using NRPN ( Non-Registered Parameter Number) for the

Assignable Wheel. Refer to the Controller list on page 30. The message must include both

MSB and LSB values.

MSB:000-127(00-7F)

LSB:000-127(00-7F)

<<Bn 62 LSB, Bn 63 MSB, Bn 06 vv>>

Refer to the Controller list on page 30.

*5, *10

This determines the drum number for use with the Wheel and the assigned drum-related

control number (136 - 151). The following alternate operation can also be used: C +

F → [note number (of desired drum sound)] → L

0-127(00-7F)

This lowers the key transposition by the specified amount (in semitones).

0-12(0-C)

*11

This raises the key transposition by the specified amount (in semitones).

*11

This determines the RPN (Registered Parameter Number) controller for the Assignable Slider.

The message must include both MSB and LSB values.

MSB:000-127(00-7F)

LSB:000-127(00-7F)

<<Bn 64 lsb, Bn 65 msb, Bn 06 vv>>

Refer to the Controller list on page 30.

*5, *10

*10

This determines the Controller number for the Assignable Slider. Though not all are listed on

the panel, any of the standard Control Change numbers (0-119) can be assigned. (For a

complete list of the available controllers and their numbers, see on page 30.)

0-158(0-9E)

<<Bn gg vv>>etc..

Refer to the Controller list on page 30.

This determines the NRPN (Non-Registered Parameter Number) controller for the Assignable

Slider. The message must include both MSB and LSB values. (Refer to the Controller list on

page 30.)

MSB:000-127(00-7F)

LSB:000-127(00-7F)

<<Bn 62 lsb, Bn 63 msb, Bn 06 vv>>

Refer to the Controller list on page 30.

*5, *10

This determines the drum number for use with the Slider and the assigned drum-related

control number (136 - 151). The following alternate operation can also be used: C +

F → [note number (of desired drum sound)] → L

0-127(00-7F)

Changes the LED display to show the currently selected program number.

Toggles among

the three settings.

When power

is turned on

Program

Change is

selected.

Changes the LED display to show the currently selected Bank Select MSB value.

Changes the LED display to show the currently selected Bank Select LSB value.

Select MSB/LSB; see corresponding Group A functions). Then, hold

down C and press the N or M

button. (Hold down the appropriate button to change the value

continuously.) To directly change the value (decimal or hexadecimal)

for the displayed function, hold down C, enter the value, then

press L.

•

To send a specific value for the current control number assignment

of the Wheel or Slider, hold down C, enter the desired value,

and press L. However, this cannot be done with the following

controller numbers: 153 (Key Pressure), 157 (Velocity), or 158

(Tempo).

The assigned MSB and LSB values alternately appear in the LED

display. When no value is assigned, “---” is shown in the display.

*8 The connected device initializes itself upon reception of this message.

*9 When a MIDI error results, MIDI Merge is automatically set to OFF.

*10 • When RPN or NRPN is assigned, the Wheel or Slider is automati-

cally set to control Data Entry and will change the relevant

parameter on the connected device.

*11 Transpose can be done in two ways: by repeatedly pressing

G or H key or by entering the transpose

value directly after pressing G or H key.

To restore the normal transpose setting, hold C and press both

ﬂ keys simultaneously.

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Group B Functions — List

Key

Panel Name

Function name

Operation (press and hold [SHIFT] )

Operation Examples

SEQUENCER

SONG SELECT

Song Select

C + ç → œ →

(song number) → L

C#1

TIME SIGNATURE TOP

Time Signature Top

(numerator)

C + ç → {¡}...(press repeatedly)

TIME SIGNATURE BOTTOM Time Signature Bottom

(denominator)

C + ç → {®}...(press repeatedly)

D#1

MEASURE

Measure Number

Voice Map

C + ç → † →

(measure number) → L

VOICE MAP

C + ç → ¥ →

(Map number) → L

POLY/MONO

Poly/Mono

C + ç → ø

F#1

RESET

RESET CONTROL

Reset All Controllers

C + ç → å

SOUND OFF ALL CH

All Sound Off (all channels)

TG300B Reset

C + ç → ß

G#1

TG300B

C + ç → ™ → L

SYSTEM

CHANNEL MERGE

Merge On /Off

(each channel)

C + ç → ƒ →

(channel number)

A#1

DEVICE NUMBER

Device Number

Touch Sensitivity

C + ç → © →

(device number) → L

TOUCH SENSITIVITY

C + ç → ˙ →

(value) → L

RPN

Controller Direct Data Send

(RPN)

C + ç → A → (MSB) → (LSB) → L →

{(control value) → L}

C#2

CONTROLLER

NRPN

Controller Direct data Send

(controller number)

C + ç → S → (controller number) →

L → {(controller value) → L}

Controller Direct Data Send

(NRPN)

C + ç → D → (MSB) → (LSB) →

L → {(controller value) → L}

D#2

WHEEL ASSIGN

DATA DENSITY

Data Density (Wheel)

C + ç → £ →

(density value) → L

MSB 1ST/LSB 1ST

FOOT SW ASSIGN

MSB/LSB invert

C + ç → ˚

Footswitch Assign

C + ç → {¬}

... (press repeatedly)

F#2

G#2

PB DENSITY

Data Density

(Pitch Bend Wheel)

C + ç → § →

(density value) → L

SLIDER ASSIGN

DATA DENSITY

SELECT B

Data Density (Slider)

C + ç → £ →

(density value) → L

F#3

Single-byte Data Send

C + ç → {(single-byte data) → L}

•

The channel number can only be entered as a hexadecimal value (1

● Footnotes

– F, 0).

*1 Depending on the selected message or the particular device that is

connected to the CBX-K2, there may be no response. Refer to the

owner’s manual of the device for details.

Using system exclusive messages to turn Merge on or off can only

be done for all channels (as in the corresponding Group A

function).

*2 The Time Signature Top value is selected in the following order: 4, 5,

6, ... 15, 16, 1, 2, 3, 4, etc. (“4” is used as the starting point, since

that is the most commonly used Top value.) The order for the Time

Signature Bottom values is 4, 8, 16, 4, etc.

*5 When Fixed Velocity (in Group A) is set to a value other than 0, the

Touch Sensitivity function is inactive. The following table shows the

velocity range for the minimum, medium, and maximum Touch

Sensitivity settings.

*3 The range for the Measure function depends on the currently set Time

Signature. When set to 4/4, the range is 1 – 999; when set to 8/4 or

16/8, the range is 1 – 512. The absolute maximum is 999.

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Group B Functions — List

Range (Hexadecimal Default

Explanation

in parentheses)

setting

MIDI Code

Notes

Song Select command for sequencer/rhythm machine.

0-127(00-7F)

<<F3 ss>>

This determines the top (numerator) value of the time signature for sequencer/rhythm

machine, at the specified song position (see Measure Number below). When song position is

received this data will be used.

1-16

This determines the bottom (denominator) value of the time signature for sequencer/rhythm

machine, at the specified song position (see Measure Number below). When song position is

received this data will be used.

4, 8, 16

1-999(1-3E7)

This determines the measure number (song position) for sequencer/rhythm machine. This is

used together with the Time Signature functions above, and should be entered before

specifying the Time Signature.

<<F2 lsb msb>>

*1, *3

(

depending on specified

Time Signature)

This determines the Voice Map setting when used with the Yamaha MU100R Tone Generator.

(For details, see the MU100R Owner’s Manual.)

0-127(00-7F)

<<F0 43 1s 49 00 00 12 vv>>

Sets the connected tone generator to Poly or Mono mode.

PoL, non

PoL

<<Bn 7E 00>>, <<Bn 7F 00>>

<<Bn 79 00>>

This resets all MIDI controller values on the connected device to their reset values (minimum

or center).

This turns all sounds off over all MIDI channels. To turn all sounds off for a single specific

MIDI channel, use the All Sound Off function in Group A.

<<B0 78 00, B1 78 00,…, BF 78 00>>

This performs a TG300B reset on a connected tone generator.

<<F0 41 10 42 12 40 00 7F 00 41 F7>>

This merges all data received over the specified MIDI channel with the data generated by the

CBX-K2. This function can be set independently for each channel. (For details about MIDI

Merge, refer to page 34.)

on, oFF

This determines the Device Number when independently transmitting certain messages (such

as XG On) to one of several connected MIDI devices.

1-16(1-10)

1-10(1-A)

This determines the relative velocity sensitivity of the CBX-K2 keyboard. The lower the Touch

Sensitivity value, the higher the output velocity becomes. In other words, when this is set to a

value near 1, even soft playing strength results in a loud sound from the connected tone

generator. (1: easy - 10: hard)

This allows you to directly send a specific value for a selected RPN controller number, without

altering the current controller assignment of the Assignable Wheel or Slider.

MSB:000-127(00-7F)

LSB:000-127(00-7F)

Control value:0-127

(00-7F)

<<Bn 64 lsb, Bn 65 msb, Bn 06 vv>>

Refer to the Controller list on page 30.

This allows you to directly send a specific value for a selected Control Change controller

number, without altering the current controller assignment of the Assignable Wheel or Slider.

Control number:0-156

(0-9C)

<<Bn gg vv>>etc..

Refer to the Controller list on page 30.

Control value:0-127

(00-7F)

This allows you to directly send a specific value for a selected NRPN controller number,

without altering the current controller assignment of the Assignable Wheel or Slider.

MSB:000-127(00-7F)

LSB:000-127(00-7F)

Control value:0-127

(00-7F)

<<Bn 62 lsb, Bn 63 msb, Bn 06 vv>>

Refer to the Controller list on page 30.

This determines the density of the data sent by the Assignable Wheel when it is set to a

continuous controller (such as modulation or volume). Set this to a value at or near 1, when

you wish to limit the amount of data sent (for example, when sequencer memory limits the

amount of data that can be recorded). (1: thin - 10: thick or full)

1-10(1-A)

This inverts the MSB/LSB value entry (so that LSB precedes MSB). You can also set this to

LSB 1ST by simultaneously holding down N and turning on the power.

MSB 1ST(MSB → LSB) MSB precedes

LSB 1ST(LSB → MSB) LSB

This determines the function for the connected footswitch. Available functions are: Sustain

(SUS), Continue/Stop for sequencer (Cnt), Start/Stop for sequencer (StA), SHIFT button

operation (SFt).

SUS, Cnt, StA, SFt

SUS

*10

This determines the density of the data sent by the Pitch Bend Wheel.

1-10(1-A)

This determines the density of the data sent by the Assignable Slider when it is set to a

continuous controller (such as modulation or volume). Set this to a value at or near 1, when

you wish to limit the amount of data sent(for example, when sequencer memory limits the

amount of data that can be recorded). It can also be used to create special “step” effects for

certain controller numbers. (1: thin - 10: thick or full)

1-10(1-A)

This sends a data message of a single byte.

0-255(0-FF)

<<xx>> xx=single-byte data

toggle

Touch Sensitivity Value

Velocity Range

1 (1)

5 (5)

10 (A)

MSB 1ST(MSB → LSB)

LSB 1ST(LSB → MSB)

32-127

(20-7F)

16-127

(10-7F)

1-127

(01-7F)

toggle

*6 The following controller numbers cannot be used: 153 (Key Pressure),

157 (Velocity), or 158 (Tempo).

*8 The effective range is from 0 - 255; values outside of this range will

be ignored.

*7 When the MSB/LSB entry order is changed, the LED display appears

as follows to indicate the data order:

*9 The operation steps in braces ({}) can be repeated or re-entered as

long as C is held.

*10 Be careful not to press the connected footswitch while using this

function; the operation cannot be executed while the footswitch is

assigned to “SFt” and pressed.

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Assignable Wheel & Slider — Controller Number List

For further details on these various control numbers refer to the MIDI Data Format supplement.

Controller

Data Format

MIDI Code

Direct Data Send Range

No.

Name

Modulation Depth

Breath Control

Foot Control

Portamento Time

Data Entry MSB

Main Volume

Pan

Expression

Hold 1 (Damper)

Portamento

Sostenuto (Chord Hold)

Soft Pedal

Harmonic Content

Release Time

Attack Time

Brightness

Portamento Control

Reverb Send Level

Chorus Send Level

Variation Effect Send Level

Pitch Bend Sensitivity

Fine Tuning

(Hexadecimal in parentheses)

000-064-127 (00-40-7F)

— *1

Control Change

RPN

NRPN

<<Bn gg vv>>

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

<<Bn 64 00, Bn 65 00, Bn 06 vv>>

<<Bn 64 01, Bn 65 00, Bn 06 vv>>

<<Bn 64 02, Bn 65 00, Bn 06 vv>>

<<Bn 62 08, Bn 63 01, Bn 06 vv>>

<<Bn 62 09, Bn 63 01, Bn 06 vv>>

<<Bn 62 0A, Bn 63 01, Bn 06 vv>>

<<Bn 62 20, Bn 63 01, Bn 06 vv>>

<<Bn 62 21, Bn 63 01, Bn 06 vv>>

<<Bn 62 24, Bn 63 01, Bn 06 vv>>

<<Bn 62 30, Bn 63 01, Bn 06 vv>>

<<Bn 62 31, Bn 63 01, Bn 06 vv>>

<<Bn 62 34, Bn 63 01, Bn 06 vv>>

<<Bn 62 35, Bn 63 01, Bn 06 vv>>

<<Bn 62 63, Bn 63 01, Bn 06 vv>>

<<Bn 62 64, Bn 63 01, Bn 06 vv>>

<<Bn 62 66, Bn 63 01, Bn 06 vv>>

<<Bn 62 rr, Bn 63 14, Bn 06 vv>>

<<Bn 62 rr, Bn 63 15, Bn 06 vv>>

<<Bn 62 rr, Bn 63 16, Bn 06 vv>>

<<Bn 62 rr, Bn 63 17, Bn 06 vv>>

<<Bn 62 rr, Bn 63 18, Bn 06 vv>>

<<Bn 62 rr, Bn 63 19, Bn 06 vv>>

<<Bn 62 rr, Bn 63 1A, Bn 06 vv>>

<<Bn 62 rr, Bn 63 1C, Bn 06 vv>>

<<Bn 62 rr, Bn 63 1D, Bn 06 vv>>

<<Bn 62 rr, Bn 63 1E, Bn 06 vv>>

<<Bn 62 rr, Bn 63 1F, Bn 06 vv>>

<<Bn 62 rr, Bn 63 24, Bn 06 vv>>

<<Bn 62 rr, Bn 63 30, Bn 06 vv>>

<<Bn 62 rr, Bn 63 31, Bn 06 vv>>

<<Bn 62 rr, Bn 63 34, Bn 06 vv>>

<<Bn 62 rr, Bn 63 35, Bn 06 vv>>

<<Dn vv>>

Coarse Tuning

Vibrato Rate

Vibrato Depth

Vibrato Delay

Low Pass Filter Cutoff Frequency

Low Pass Filter Resonance

High Pass Filter Cutoff Frequency

EQ Low Gain

EQ High Gain

EQ Low Frequency

EQ High Frequency

EG Attack Time

EG Decay Time

EG Release Time

Drum Low Pass Filter Cutoff Frequency

Drum Low Pass Filter Resonance

Drum EG Attack Rate

Drum EG Decay Rate

Drum Pitch Coarse

Drum Pitch Fine

Drum Level

Drum Pan

Drum Reverb Send Level

Drum Chorus Send Level

Drum Variation Send Level

Drum High Pass Filter Cutoff Frequency

Drum EQ Low Gain

Drum EQ High Gain

Drum EQ Low Frequency

Drum EQ High Frequency

Channel Pressure

Polyphonic Key Pressure

Master Volume

After Touch

System Exclusive Messages

Others

<<An tt vv>>

<<F0 7F 7F 04 01 ll mm F7>>

<<F0 7F 7F 04 02 ll mm F7>>

<<F0 43 1s 27 30 00 00 pm pl 00 F7>>

000-064-127 (00-40-7F)

014-064-114 (0E-40-72) *2

—

Master Balance

Master Tuning

Velocity

Tempo

Others

— *3

● MIDI Code abbreviation key

n: MIDI channel

● NOTE

Even though not all of the numbers are listed here, the Assignable Wheel and

gg: Control number

tt: Note number

s: Device number

rr: Drum number

vv: 8-bit resolution of the Wheel movement or Slider (range: 00–7F)

ll mm: 16-bit resolution of the Wheel movement or Slider (range: 0000–

7FFF)

pm pl: Wheel movement or Slider data of 8-bit values are divided into

two bytes (with pm = upper half of 8 bits and pl = lower half of 8

bits), converting 1-byte data into 2-byte data, each consisting of 4 bits.

The upper 4 digits are given values of 0 for both pm and pl.

Slider can be assigned to any of the standard Control Change numbers: 0 –119.

● Footnotes

*1 This applies only to the highest note played. This control number is

unrelated to polyphonic key pressure after touch in the MIDI standard.

*2 Data from 00–0D is converted to a value of 0E, and data from 73–7F

is converted to a value of 72.

*3 When Tempo is assigned to the Assignable Wheel or Slider, the range

becomes 28–282.

*4 This does not output MIDI code directly, but changes the velocity of

the subsequently played notes.

*5 This does not output MIDI code directly, but changes the time interval

between transmitted MIDI clocks.

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About MIDI

MIDI is an acronym that stands for Musical Instrument

Digital Interface, which allows electronic musical instru-

ments to communicate with each other, by sending and

receiving compatible Note, Control Change, Program

Change and various other types of MIDI data, or messages.

The CBX-K2 can control a MIDI device by transmitting

note related data and various types of controller data.

bank select will not function when a GM System On

message is received.

■ Control Change

Control Change messages let you control volume, panning,

modulation, portamento time, brightness and various other

controller parameters, through specific Control Change

numbers which correspond to each of the various param-

eters.

MIDI Messages Transmitted by

the CBX-K2

● Modulation (Control #001)

Messages which control vibrato depth using the Modu-

lation Wheel.

MIDI messages can be divided into two groups: Channel

messages and System messages. Below is an explanation of

the various types of MIDI messages which the CBX-K2 can

receive and transmit.

Setting the value to 127 produces maximum vibrato and

0 results in vibrato off.

● Portamento Time (Control #005)

Messages which control the duration of portamento, or a

continuous pitch glide between successively played

notes.

Depending on the particular device that you are using, some

messages may not be available. Refer to the owner’s

manual of the device for details.

Setting the value to 127 produces maximum portamento

time and 0 results in minimum portamento time.

Portamento is turned on/off by Control #065.

CHANNEL MESSAGES

● Data Entry MSB (Control #006)

● Data Entry LSB (Control #038)

Channel messages are the data related to the performance

on the keyboard for the specific channel.

Messages which set the value for the parameter speci-

fied by RPN or NRPN MSB/LSB. Parameter value is

determined by combining MSB and LSB.

■ Note On/Note Off (Key On/Key Off)

Messages which are generated when the keyboard is played.

● Main Volume (Control #007)

Messages which control the volume.

Transmission note range = C-2 (0) - G8 (127), C3 = 60

Setting the value to 127 produces maximum volume and

0 results in volume off.

Velocity range = 1 - 127 (only Note On velocity is

transmitted)

● Pan (Control #010)

Messages which control the stereo panning position of

each voice (for stereo output).

Note On: Generated when a key is pressed.

Note Off: Generated when a key is released.

Each message includes a specific note number which

corresponds to the key which is pressed, plus a velocity

value based on how hard the key is struck.

Setting the value to 127 positions the sound to the far

right and 0 positions the sound to the far left.

● Expression (Control #011)

Messages which control intonation expression of each

voice during performance.

■ Bank Select

● Bank Select MSB (Control #000)

● Bank Select LSB (Control #032)

Messages (MSB/LSB) which set the voice bank of a

tone generator.

Setting the value to 127 produces maximum volume and

0 results in volume off.

● Sustain Switch (Control #064)

Messages which control sustain on/off.

When used on an XG-compatible tone generator set to

XG operation, normal or drum voice bank is selected by

the MSB value, and the particular voice bank is selected

by the LSB value. With Yamaha MU-series instruments,

Setting the value between 64 - 127 turns the sustain on,

between 0 - 63 turns the sustain off. On the CBX-K2, a

connected footswitch can be assigned to control sustain

when “SUS” is set.

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About MIDI

● Portamento Switch (Control #065)

● Data Increment (Control #096)

Messages which control portamento on/off.

● Decrement (Control #097) for RPN

Messages which increase or decrease the value of Pitch

Bend Sensitivity, Fine Tune, or Coarse Tune.

Setting the value between 64 -127 turns the portamento

on, between 0 - 63 turns the portamento off.

You must assign one of those parameters using the RPN

in the external device in advance.

● Sostenuto Switch (Control #066)

Messages which control sostenuto on/off.

● RPN (Registered Parameter Number) LSB (Control

#100)

● RPN (Registered Parameter Number) MSB (Control

#101)

Messages which offset, or add or subtract values from

the Pitch Bend Sensitivity, Fine Tune, or Coarse Tune

parameters.

Setting the value between 64 - 127 turns sostenuto on,

between 0 - 63 turns sostenuto off.

When notes are held before and during the time

sostenuto is turned on, those notes (and only those

notes) will be sustained until sostenuto is turned off.

● Soft Pedal Switch (Control #067)

Messages which control soft pedal on/off.

First send the RPN MSB and RPN LSB to specify the

parameter which is to be controlled. Then use Data

Increment/Decrement to set the value of the specified

parameter.

Setting the value between 64 - 127 turns soft pedal on,

between 0 - 63 turns soft pedal off.

When soft pedal is on, the sound becomes softer and

lower in volume.

Note that once the RPN has been set for a channel,

subsequent data entry will be recognized as the same

RPN’s value change. Therefore after you use the RPN,

you should set a Null (7FH, 7FH) value to avoid an

unexpected result.

● Harmonic Content (Control #071)

Messages which adjust the VCF resonance set for each

voice.

Higher values will result in a more characteristic,

resonant sound. Depending on the voice, the effective

range may be narrower than the range available for

adjustment.

Messages which can be transmitted are as follows:

RPN MSB

RPN LSB

Parameter

Pitch Bend Sensitivity

Fine Tune

Coarse Tune

Null

● Release Time (Control #072)

Messages which directly adjust the AEG release time set

for each voice.

■ Channel Mode Messages

● Attack Time (Control #073)

2nd Byte

120

3rd Byte

Message

Messages which directly adjust the AEG attack time set

for each voice.

0-16

All Sounds Off

Reset All Controllers

All Notes Off

Mono

121

123

126

127

● Brightness (Control #074)

Messages which directly adjust the VCF cutoff fre-

quency set for each voice.

Poly

Lower values will result in a softer sound. Depending on

the voice, the effective range may be narrower than the

range available for adjustment.

● All Sounds Off (Control #120)

Clears all sounds currently sounding on the specified

channel. However, the status of channel messages such

as Note On and Hold On is maintained.

● Effect1 Depth (Reverb) (Control #091)

Messages which adjust the send level for the Reverb

effect.

● Reset All Controllers (Control #121)

The values of the following controllers will be reset to

the defaults: Pitch Bend, Channel Pressure, Sustain

Switch, Modulation, Expression, Portamento, RPN*,

NRPN*, Volume, Pan.

● Effect3 Depth (Variation Chorus) (Control #093)

Messages which adjust the dry/wet balance for the

Chorus Variation Effect.

● Effect4 Depth (Variation Depth) (Control #094)

Messages which adjust the send level for the Variation

* Number not specified; internal data will not change.

depth.

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About MIDI

● All Notes Off (Control #123)

Clears all notes currently on for the specified channel.

note (when several notes are played together) when it is

applied.

However, if Sustain Switch or Sostenuto Switch is on,

notes will continue sounding until these are turned off.

■ Pitch Bend

Pitch Bend messages are continuous controller messages

that allow the pitch of designated notes to be raised or

lowered by a specified amount over a specified duration.

This message cannot be sent by any CBX-K2 operation;

however, when a MIDI error occurs, this message is sent

automatically.

● Mono (Control #126)

Performs the same function as when an All Sounds Off

message is received, and if the 3rd byte (mono number)

is in the range of 0 - 16, sets the corresponding channel

to Mono Mode (Mode 4 : m = 1).

SYSTEM MESSAGES

System messages are the data related to the overall system

of the device.

● Poly (Control #127)

Performs the same function as when an All Sounds Off

message is received, and sets the corresponding channel

to Poly Mode (Mode 3).

■ System Exclusive Messages

System Exclusive messages let you use the CBX-K2 to

control various functions on connected devices, including

master volume and master tuning, effect type and various

other parameters.

■ Program Change

Messages which select voices.

● Master Volume

This message controls the volume over all MIDI chan-

nels.

■ Channel Aftertouch

The CBX-K2 keyboard does not have aftertouch sensi-

tivity and thus cannot send aftertouch messages by

keyboard pressure. However, Channel Aftertouch data

can be sent by the Assignable Wheel or Slider. Channel

Aftertouch affects the sound of all notes when it is

applied.

F0 7F 7F 04 01 ll mm F7 (Hexadecimal)

* mm(MSB) = appropriate volume value, ll(LSB) =

ignored

■ Active Sensing

Once FE (Active Sensing) has been received, if no MIDI

data is subsequently received for longer than an interval of

approximately 300msec, the CBX-K2 will register an

Active Sensing error.

■ Polyphonic Aftertouch

The CBX-K2 keyboard does not have aftertouch sensi-

tivity and thus cannot send aftertouch messages by

keyboard pressure. However, Polyphonic Aftertouch

data can be sent by the Assignable Wheel or Slider.

Polyphonic Aftertouch affects the sound of only the top

Refer to the following MIDI Data Format for more infor-

mation about the various messages.

● Decimal-Hexadecimal Conversion Chart

Dec

Hex

Dec

Hex

Dec

Hex

Dec

Hex

Dec

Hex

Dec

Hex

Dec

Hex

Dec

Hex

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

100

101

102

103

104

105

106

107

108

109

110

111

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MIDI Data Format

● Response of the CBX-K2 During MIDI Errors

When a MIDI reception error occurs (such as buffer full,

Active Sensing, interruption of System Exclusive, etc.), the

CBX-K2 responds as follows:

1. Merge is set to OFF.

2. Damper Off, All Note Off, All Sound Off messages are

transmitted over all channels.

MIDI Reception

● Merge-related Notes

When Merge is set to ON, MIDI messages received from an

external device at MIDI IN can be merged with the data

generated by the CBX-K2, and are transmitted as is from

MIDI OUT. However, there are some exceptions, as listed

below:

3. The M lamp flashes and the relevant

error number appears in the LED display.

Active sensing messages <<FE>>, All Note Off mes-

sages (<<Bn 7B 00>>) <<F4>> and <<F5>> will not be

merged.

When the CBX-K2 is set to send <<F8>> messages,

<<F8>> messages from an external device will not be

merged.

When the CBX-K2 is not set to send <<F8>> messages,

<<F8>> messages from an external device can be

merged.

When Merge is set to ON, and an <<FE>> message has

not been received for over approximately 300 ms, an

Active Sensing error occurs.

To set Merge to ON again, hold down C and press

MIDI Transmission

1. Transmit Condition

With the exception of System Exclusive data, messages

not conforming to the legal byte format will not be

merged. System Exclusive data that doesn’t conform to

the legal byte format can be merged.

MIDI IN

Note on/off

<<9n>>

MIDI

OUT

Polyphonic key pressure * <<An>>

If during transmission of System Exclusive messages,

the messages are cut off or interrupted (for over ap-

proximately 400 ms), a MIDI error occurs.

When Merge is set to on, and RPN/NRPN messages are

sent from both the CBX-K2 and an external device

connected to MIDI IN, the resulting messages may be

mixed and corrupted.

When Merge is turned off while a key is held, a stuck

note results. This is because the CBX-K2 simply turns

Merge off, without changing the Note On status.

Control change

All sound off

<<Bn>>

<<Bn 78 00>>

<<Bn 79 00>>

<<Bn 7B 00>>

<<Cn>>

Reset all controller

All note off *

Program change

Channel pressure

Pitch change

System exclusive

Timing clock

Start

<<Dn>>

<<En>>

<<F0....F7>>

<<F8>>

<<FA>>

<<FB>>

<<FC>>

<<FE>>

<<xx>>

<SW1>

Continue

Stop

During merging of System Exclusive data, all operations

from the CBX-K2 are ignored, and <<FE>> and <<F8>>

messages from the CBX-K2 will be stopped. This may

cause some problems, as listed below:

Active sensing

Arbitrary 1byte data

*1 This applies only to the highest note played.

*2 This is output only when a MIDI error (such as Active

Sensing or buffer full) occurs.

<SW1> When the CBX-K2 is set to send <<F8>> mes-

sages, <<F8>> messages from the CBX-K2 will be

output. When the CBX-K2 is not set to send <<F8>>

messages, <<F8>> messages from the CBX-K2 will not

be output, but <<F8>> messages from a connected

external device will be merged.

Any operations executed from the CBX-K2, in the

middle of a System Exclusive message (<<F0- F7>>)

sent from an external device, are ignored.

CBX-K2 operations that start before or end after the

System Exclusive message will be incomplete.

To avoid these problems:

Turn Merge off or disconnect the MIDI cable (if the

Merge function is not needed).

Do not operate the CBX-K2 during reception of large

System Exclusive messages, such as bulk dumps.

When receiving many short System Exclusive messages,

operate the CBX-K2 slowly, or avoid operating it at all.

<SW2> When Merge is set to ON, the incoming data is

merged.

<Filter> This is Merge On/Off for each channel.

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MIDI Data Format

(3) All note off

n=Channel

<<Bn 7B 00>>

0-15

2. Overview

Transmitted data includes messages from the CBX-K2 itself

and messages from an external device connected to MIDI

IN. Besides conventional MIDI messages, single byte data

can also be transmitted.

(4) Mono

n=Channel

<<Bn 7E 00>>

0-15

(5) Poly

n=Channel

<<Bn 7F 00>>

0-15

3. Transmitted Data

3.3 System Exclusive Messages

3.1 Channel Voice Messages

(1) Note on/off

(1) GM system on

<<F0 7E 7F 09 01 F7>>

<<9n kk vv>>

n=Channel

kk=Note number

vv=Velocity

0-15

0-127

(2) XG system on

<<F0 43 1n 4C 00 00 7E 00 F7>>

n=Device number

0 : note off, 1-127 : note on

(3) Master volume

vv=Volume value

<<F0 7F 7F 04 01 00 vv F7>>

0-127

(2) Polyphonic key pressure

n=Channel

<<An kk vv>>

0-15

kk=Note number

vv=Pressure value

0-127

(4) Master balance

vv=Balance value

<<F0 7F 7F 04 02 00 vv F7>>

0-127

* When pressing several keys simultaneously, after touch of only

the highest note number is output.

* Though the keyboard of the CBX-K2 itself has no after touch,

after touch data can be transmitted from the Assignable Wheel

or Slider when Channel pressure or Polyphonic key pressure is

assigned to the controller.

(5) Master tuning

s=Device number

<<F0 43 1s 27 30 00 00 pm pl 00 F7>>

0-15

pm=Tuning value MSB (higher 4 bits of 1-byte data)

pl=Tuning value LSB

(lower 4 bits of 1-byte data)

(6) TG300B reset

<<F0 41 10 42 12 40 00 7F 00 41 F7>>

(3) Control change

n=Channel

<<Bn cc vv>>

0-15

0-119

(7) MU100R Voice Map

s=Device number

<<F0 43 1s 49 00 00 12 vv F7>>

0-15

cc=Control number

vv=Control value

* When RPN or NRPN is assigned to the Assignable Wheel or

Slider, the MSB, LSB and data entry values are transmitted in

a group each time.

vv=0 : MU basic

vv=1 : MU100R Native

3.4 System Common Messages

(1) Song select

<<F3 vv>>

0-127

(4) Program change

n=Channel

<<Cn pp>>

0-15

vv=Song number

pp=Program number

0-127

(2) Song position pointer

<<F2 ll mm>>

ll=Song position pointer LSB 0-127

mm=Song position pointer MSB 0-127

(5) Channel pressure

n=Channel

<<Dn vv>>

0-15

vv=Pressure value

0-127

* Though the keyboard of the CBX-K2 itself has no after touch,

after touch data can be transmitted from the Assignable Wheel

or Slider when Channel pressure is assigned to the controller.

3.5 System Real Time Messages

(1) Timing clock

<<F8>>

(2) Start

<<FA>>

(3) Continue

(4) Stop

(5) Active sensing

<<FB>>

<<FC>>

<<FE>> Transmission should

not be paused for

longer than 250 ms.

(6) Pitch bend change

n=Channel

ll=Pitch bend value

mm=Pitch bend value

* MSB and LSB data (depending on Pitch Bend Wheel position):

<<En ll mm>>

0-15

LSB 0-127

MSB 0-127

MSB

LSB

3.6 Single-byte Data Transmission

Maximum

Center

Minimum

(1) Single-byte data

<<xx>>xx=0-255

Separate from conventional MIDI message transmission, single

byte messages can also be transmitted.

127

126

* When MSB < 64, LSB = 0. When MSB > 64, LSB = (MSB -

64) x 2.

3.7 Others

* Running Status bytes are not used. However, incoming

Running Status messages are added and transmitted.

* If the incoming Note Off messages include <<8n>> status, the

<<8n>> status is merged and output as is. (The CBX-K2

transmits Note Off messages as <<9n>> status with a velocity

of 0.)

3.2 Channel Mode Messages

(1) All sound off

<<Bn 78 00>>

0-15

n=Channel

(2) Reset all controller

n=Channel

<<Bn 79 00>>

0-15

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YAMAHA [ MIDI Sound Keyboard ]

Date:07-NOV-1997

Model CBX-K2 MIDI Implementation Chart Version : 1.0

+----------------------------------------------------------------------+

: Transmitted : Recognized : Remarks

Function ... :

:-------------------+----------------+----------------+----------------:

:Basic Default : 1

:Channel Changed : 1 - 16

: x

:-------------------+----------------+----------------+----------------:

Default : -

Messages : x

: x

:Mode

Altered : ************** : x

:-------------------+----------------+----------------+----------------:

:Note

: 0 - 127

: x

:Number : True voice: ************** : x

:-------------------+----------------+----------------+----------------:

:Velocity Note ON : o 9nH,v=1-127 : x

Note OFF : x 9nH,v=0 : x

:-------------------+----------------+----------------+----------------:

:After Key's

:Touch Ch's

: o *1, *2

: o *1

: x

:-------------------+----------------+----------------+----------------:

:Pitch Bend

: o

: x

:-------------------+----------------+----------------+----------------:

0-119 : o

: x

:Assignable

:All Sound Off :

:Reset All Cntrls:

120 : o

121 : o

: Control

: Change

:-------------------+----------------+----------------+----------------:

:Prog

: o 0 - 127

: x

:Change : True # : *********** : x

:-------------------+----------------+----------------+----------------:

:System Exclusive : o

: x

:-------------------+----------------+----------------+----------------:

: Song Pos. : o

:common : Song Sel. : o

: Tune : x

: x

:-------------------+----------------+----------------+----------------:

:System :Clock : o

:Real Time :Commands: o

: x

:-------------------+----------------+----------------+----------------:

:Aux :Local ON/OFF : x

:All Notes OFF: x

:Mes- :Active Sense : o

:sages:Reset : x

: x

: o

: x

:-------------------+----------------+----------------+----------------:

:Notes: *1 though the keyboard itself has no after touch,

after touch data can be transmitted from the ASSIGNABLE :

WHEEL and ASSIGNABLE SLIDER when after touch is assigned :

to the controllers.

*2 this applies only to the highest note played.

+-------------------+----------------+----------------+----------------+

Mode 1 : OMNI ON, POLY Mode 2 : OMNI ON, MONO

Mode 3 : OMNI _DO_owF_nF_lo,_{ad fr}P_omO_WL_wY_w.SomaM_nuo_ad_ls.e_com4_{. All}:_ManO_uaM_lsN_SI_earcO_hF_AnF_d,_DowM_nlO_oaN_d.O

o : Yes

x : No

Troubleshooting

Even though the CBX-K2 is easy to use, it may occasion-

ally not function as you expect it to. If that happens, check

the possible problems and solutions below before assuming

that the instrument is faulty.

work properly.

— Please refer to the Merge-related Notes, page 34.

● Octave Shift function has no effect.

— Octave Shift cannot be changed while a key is being held

down.

● The error message “E2” appears in the LED display

and the M lamp flashes, indicating a

“MIDI buffer full” error.

● (Problem)

— (Possible Cause and Solution)

— A MIDI “loop” may have been set up. To remedy this, set

MIDI Merge to OFF. (Pages 26 and 28.)

— Too much MIDI data (exceeding the receive capability of the

CBX-K2) may have been received at MIDI IN.

● No sound from the connected device.

— The cables may have been connected incorrectly.

— Controller data, such as Volume, Expression and Master

Volume, may have been set to values too low to produce

sound.

● An “E1” message appears in the LED display.

— The battery power is too low for proper operation. Replace all

batteries.

— The Fixed Velocity setting may be too low.

● The keyboard is not touch sensitive.

— Make sure that Fixed Velocity is set to oFF.

— When the Assignable Wheel or Slider is assigned to Velocity

(157), Touch Sensitivity does not function.

● When the power is turned off and on again, the

settings you made have been cancelled.

— This is normal. The CBX-K2 has no internal memory backup.

● Sound is cut off.

● The Fixed Velocity setting has no effect.

— The Fixed Velocity setting is inactive when Velocity is

assigned to the Assignable Wheel or Slider.

— When incoming active sensing messages exceed that allowed

by the MIDI standard, the sound will automatically be cut off.

● A certain function does not respond or work prop-

erly.

— The connected MIDI device may not support the relevant

function on the CBX-K2.

● Even when Touch Sensitivity is active, the effective

velocity range is narrower than expected.

— Please refer to Footnote #5 on page 28 for details on velocity

range.

● Specific functions/messages cannot be executed or

sent properly.

— While holding down C in the middle of an operation, you

may have inadvertently released C. Make sure to hold

down C for the duration of the operation.

● The All Sound Off function has no effect.

— All Sound Off in the Group A functions only applies to the

currently selected MIDI channel.

● The right-most five keys of the keyboard do not

sound at the expected pitch.

— When set to the highest octave range, the right-most five keys

are set one octave down.

● The connected device does not respond or synchro-

nize to MIDI clock messages, or MIDI clock mes-

sages are not sent.

— Make sure that the Tempo setting on the CBX-K2 is set to a

value other than oFF. Also make sure that the connected

device is set properly for receiving MIDI clock messages. If

another device is connected to the MIDI IN of the CBX-K2

and that device is sending the MIDI clock messages, Merge

must be set to ON.

● Some of the keys do not respond to after touch

pressure when playing several notes simultaneously.

— Polyphonic Key Pressure (After Touch) applies only to the

highest note played.

● Incoming data is not merged.

— Make sure that Merge is set to ON. Make sure also that the

Merge on/off function in Group B is set to ON for the relevant

MIDI channel.

● The Tempo cannot be set.

— The Tempo setting is inactive when Tempo is assigned to the

Assignable Wheel or Slider.

● Some messages cannot be merged.

— Please refer to the Merge-related Notes, page 34.

● With Merge set to ON, tempo change messages sent

from an external device have no effect.

● Merge is inadvertently set to OFF.

— When there is a MIDI error, Merge is automatically turned off.

Please also refer to the Merge-related Notes, page 34.

— If an external device is connected to the MIDI IN of the CBX-

K2, and the CBX-K2 is sending its own MIDI clock messages,

the MIDI clock messages of the external device will not be

sent via MIDI OUT. To have the external device’s clock

messages sent, set Tempo on the CBX-K2 to 0.

● The tone generator continues to sound after a key is

released.

— This may be caused by a MIDI error and may happen depend-

ing on the Merge setting. Please refer to the Merge-related

notes, page 34.

● Sending a bank select message also sends a pro-

gram change message.

— This is normal. The CBX-K2 automatically sends the

currently set program change number together with a bank

select message.

● When turning Merge off, the connected tone genera-

tor continues to sound.

— Execute the All Sound Off function (in the Group B functions;

pages 28 – 29).

● The RPN or NRPN controller number assigned to the

Assignable Wheel doesn’t function properly.

— Please refer to the Merge-related Notes, page 34.

● The RPN or NRPN direct data send function doesn’t

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Error Messages

The following messages may appear in the LED display during operation, indicating problems or incorrect operation.

Batteries are low

The battery power is too low for operation. Replace all batteries with a

complete set of six new batteries of the same type.

MIDI buffer full

Too much MIDI data has been received. Eliminate unnecessary MIDI data.

Active Sensing error

This error occurs when a MIDI cable is connected to the MIDI IN terminal

of the CBX-K2 and Active Sensing messages <<FE>> have not been

received for a certain amount of time or the MIDI cable has been acci-

dently disconnected.

SysEx data error

The received System Exclusive message is incorrect. Confirm the contents

of the transmitted data (such as necessary MSB, LSB, etc.) and attempt the

operation again.

MIDI framing error

An error occurred during the reception of MIDI data.

NOTE — About messages E2 – E5

■ Error messages E2 – E5 occur during the reception of MIDI data when Merge is

turned on. Exit from the error message by pressing C or any other panel

button.

■ When any of these error messages occurs, Merge is automatically turned off, and

the following messages are transmitted over all MIDI channels 1 – 16: Hold 1

(damper) OFF, All Note OFF, and All Sound OFF.

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Specifications

● Keyboard

● Input/Output Terminals

49 key keyboard (C1 – C5), velocity responsive

MIDI IN, MIDI OUT, DC IN, FOOTSWITCH

● Functions

● Power Supply

Basic: Octave Shift (-3 – +4 octaves), Pitch Bend

Wheel, Assignable Wheel, Assignable Slider,

MIDI Merge (MIDI IN)

Yamaha PA-1D AC Power Adaptor, or six “AA” size,

SUM-3, R-6 or equivalent batteries.

MIDI Data: Sequencer control, MIDI clock, Bank Select,

Program Change, GM System On, XG System

On, TG300B Reset, Control Change, All Sound

Off, Reset All Controllers, and others

Assignable Parameters: Transpose (±12 semitones),

MIDI Transmit Channel, Fixed Velocity, Touch

Sensitivity, Device Number, Merge On/Off (each

channel), Pitch Bend Wheel density, Assignable

Slider density, Assignable Wheel density,

Footswitch function

● Dimensions (W x D x H)

817 x 202 x 85 mm (32-1/8" x 8" x 3-1/3")

● Weight (without batteries)

2.6 kg (5 lbs., 12 oz.)

* Specifications and appearance subject to change without

notice.

● Panel Controls and Indicators

SHIFT button, OCTAVE SHIFT Q/W buttons and

lamps, Pitch Bend Wheel, Assignable Wheel, Assign-

able Slider, POWER switch

● Display

8 segment, 3 digit

About RPN and NRPN

Registered Parameter Numbers (RPN) are controllers that

have been added to the MIDI specification and are

common among various MIDI devices of different

manufacturers. Unlike the Control Change numbers,

these use messages composed of three bytes: MSB, LSB

and Data Entry.

Thus, NRPN functions may be found on some instru-

ments and not others. The NRPN functions of the CBX-

K2 support all XG-compatible devices. Unlike the

Control Change numbers, these use messages composed

of three bytes: MSB, LSB and Data Entry.

Other RPN or NRPN messages not provided on the panel

can be transmitted using the RPN or NRPN functions in

Group A and B.

Non-Registered Parameter Numbers (NRPN) are control-

lers that have been created by one or more manufactur-

ers, but have not been added to the MIDI specification.

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Index

Group B functions, selecting .... 21, 24

Group B .................................... 21, 24

POWER switch ............................... 11

Program Change (Display) ............. 26

Program Change ............................ 26

All Sound Off (all channels) ........... 28

All Sound Off (current channel) ..... 26

Assignable Slider ........................ 9, 18

Assignable Wheel ....................... 9, 18

hexadecimal ............................... 21,23

Reset All Controllers....................... 28

RPN, About ..................................... 39

RPN (Slider Assign) ....................... 26

RPN (Wheel Assign) ...................... 26

Bank LSB (Display) ........................ 26

Bank LSB ........................................ 17

Bank MSB (Display) ....................... 26

Bank MSB ....................................... 17

Bank Select............................... 17, 26

basic operations ............................. 21

batteries .......................................... 12

Bottom (Time Signature) ................ 28

LED display..................................... 10

Measure (Sequencer) ..................... 28

Merge On/Off (all channels) ........... 26

Merge On/Off (each channel) ........ 28

Merge ................................. 26, 28, 34

MIDI Data Format ........................... 34

MIDI IN terminal ............................. 11

MIDI messages

setup examples............................... 13

SHIFT button .................................... 9

SHIFT-related functions .................. 20

single-byte message, sending........ 25

Slider Assign................................... 26

Specifications.................................. 39

Start (Sequencer) ........................... 26

Stop (Sequencer) ........................... 26

Channel Merge ............................... 28

connections..................................... 15

Continue (Sequencer) .................... 26

Controller (Slider Assign) ............... 26

Controller (Wheel Assign) .............. 26

Controller Direct Data Send

Active Sensing..................... 33

Bank Select ......................... 31

Channel Aftertouch ............. 33

Channel Mode Message ..... 32

Channel Message ............... 31

Control Change ................... 31

Note On/Note Off ................ 31

Pitch Bend ........................... 33

Polyphonic Aftertouch ......... 33

Program Change ................. 33

System Exclusive ................ 33

System Message................. 33

MIDI OUT terminal ......................... 11

MIDI Transmit Channel ................... 26

MIDI, About ..................................... 31

MSB 1ST/LSB 1ST......................... 28

MSB/LSB Invert .............................. 28

Tempo (Sequencer) ........................ 26

TG300B Reset ................................ 28

Time Signature ............................... 28

Top (Time Signature) ...................... 28

Touch Sensitivity ....................... 19, 28

Transpose ................................. 23, 26

Troubleshooting............................... 37

(controller number) ......................... 28

Controller Direct Data Send

(NRPN) ........................................... 28

Controller Direct Data Send (RPN) 28

Controller Number List ................... 30

Data Density (Pitch Bend).............. 28

Data Density (Slider) ...................... 28

Data Density (Wheel) ..................... 28

DC IN terminal ................................ 11

decimal....................................... 21,23

default settings................................ 10

Device Number ............................... 28

Drum Number ............................ 23,26

values, entering .............................. 21

voice banks, changing .................... 17

Voice Map ....................................... 28

voices, selecting and playing ......... 16

NRPN, About .................................. 39

NRPN (Slider Assign) ..................... 26

NRPN (Wheel Assign) .................... 26

Wheel Assign.................................. 26

XG On ............................................. 26

Error Messages .............................. 38

octave range, changing .................. 17

OCTAVE SHIFT Q/W buttons ........... 9

OCTAVE SHIFT Q/W lamps ............. 9

Fixed Velocity .................................. 26

FOOT SWITCH jack ....................... 11

Footswitch Assign ........................... 28

PB (Pitch Bend) Density ................ 28

Pitch Bend Wheel ....................... 9, 18

Poly/Mono ....................................... 28

power adaptor................................. 12

power supply................................... 12

GM On ............................................ 26

Group A functions, selecting .... 21, 22

Group A .................................... 21, 22

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FCC INFORMATION (U.S.A.)

regulations does not guarantee that interference will not occur in

1. IMPORTANT NOTICE: DO NOT MODIFY THIS UNIT!

This product, when installed as indicated in the instructions con-

tained in this manual, meets FCC requirements. Modifications not

expressly approved by Yamaha may void your authority, granted

by the FCC, to use the product.

all installations. If this product is found to be the source of inter-

ference, which can be determined by turning the unit “OFF” and

“ON”, please try to eliminate the problem by using one of the

following measures:

Relocate either this product or the device that is being affected by

the interference.

2. IMPORTANT: When connecting this product to accessories and/

or another product use only high quality shielded cables. Cable/s

supplied with this product MUST be used. Follow all installation

instructions. Failure to follow instructions could void your FCC

authorization to use this product in the USA.

Utilize power outlets that are on different branch (circuit breaker

or fuse) circuits or install AC line filter/s.

In the case of radio or TV interference, relocate/reorient the an-

tenna. If the antenna lead-in is 300 ohm ribbon lead, change the

lead-in to co-axial type cable.

3. NOTE: This product has been tested and found to comply with

the requirements listed in FCC Regulations, Part 15 for Class “B”

digital devices. Compliance with these requirements provides a

reasonable level of assurance that your use of this product in a

residential environment will not result in harmful interference with

other electronic devices. This equipment generates/uses radio

frequencies and, if not installed and used according to the instruc-

tions found in the users manual, may cause interference harmful

to the operation of other electronic devices. Compliance with FCC

If these corrective measures do not produce satisfactory results,

please contact the local retailer authorized to distribute this type

of product. If you can not locate the appropriate retailer, please

contact Yamaha Corporation of America, Electronic Service Divi-

sion, 6600 Orangethorpe Ave, Buena Park, CA90620

The above statements apply ONLY to those products distributed

by Yamaha Corporation of America or its subsidiaries.

* This applies only to products distributed by YAMAHA CORPORATION OF AMERICA.

Entsorgung leerer Batterien (nur innerhalb Deutschlands)

Leisten Sie einen Beitrag zum Umweltschutz. Verbrauchte Batterien

oder Akkumulatoren dürfen nicht in den Hausmüll. Sie können bei

einer Sammelstelle für Altbatterien bzw. Sondermüll abgegeben

werden. Informieren Sie sich bei Ihrer Kommune.

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For details of products, please contact your nearest Yamaha or the

authorized distributor listed below.

Die Einzelheiten zu Produkten sind bei Ihrer unten aufgeführten Nie-

derlassung und bei Yamaha Vertragshändlern in den jeweiligen

Bestimmungsländern erhältlich.

Pour plus de détails sur les produits, veuillez-vous adresser à Yamaha

ou au distributeur le plus proche de vous figurant dans la liste suivante.

Para detalles sobre productos, contacte su tienda Yamaha más cercana

o el distribuidor autorizado que se lista debajo.

ITALY

Yamaha Musica Italia S.P.A.,

Combo Division

Viale Italia 88, 20020 Lainate (Milano), Italy

Tel: 02-935-771

NORTH AMERICA

ASIA

CANADA

HONG KONG

Yamaha Canada Music Ltd.

135 Milner Avenue, Scarborough, Ontario,

M1S 3R1, Canada

Tom Lee Music Co., Ltd.

11/F., Silvercord Tower 1, 30 Canton Road,

Tsimshatsui, Kowloon, Hong Kong

Tel: 730-1098

SPAIN

Tel: 416-298-1311

Yamaha-Hazen Electronica Musical, S.A.

Jorge Juan 30, 28001, Madrid, Spain

Tel: 91-577-7270

U.S.A.

INDONESIA

Yamaha Corporation of America

6600 Orangethorpe Ave., Buena Park, Calif. 90620,

U.S.A.

PT. Yamaha Music Indonesia (Distributor)

PT. Nusantik

Gedung Yamaha Music Center, Jalan Jend. Gatot

Subroto Kav. 4, Jakarta 12930, Indonesia

Tel: 21-520-2577

PORTUGAL

Valentim de Carvalho CI SA

Estrada de Porto Salvo, Paço de Arcos 2780 Oeiras,

Portugal

Tel: 714-522-9011

CENTRAL & SOUTH AMERICA

KOREA

Tel: 01-443-3398/4030/1823

Cosmos Corporation

#131-31, Neung-Dong, Sungdong-Ku, Seoul

Korea

GREECE

Philippe Nakas S.A.

Navarinou Street 13, P.Code 10680, Athens, Greece

Tel: 01-364-7111

MEXICO

Yamaha de Mexico S.A. De C.V.,

Departamento de ventas

Javier Rojo Gomez No.1149, Col. Gpe Del

Moral, Deleg. Iztapalapa, 09300 Mexico, D.F.

Tel: 686-00-33

Tel: 02-466-0021~5

MALAYSIA

SWEDEN

Yamaha Music Malaysia, Sdn., Bhd.

16-28, Jalan SS 2/72, Petaling Jaya, Selangor,

Malaysia

Yamaha Scandinavia AB

J. A. Wettergrens Gata 1

Box 30053

S-400 43 Göteborg, Sweden

Tel: 031 89 34 00

BRASIL

Yamaha Musical do Brasil LTDA.

Ave. Reboucas 2636, São Paulo, Brasil

Tel: 011-853-1377

Tel: 3-717-8977

PHILIPPINES

Yupangco Music Corporation

339 Gil J. Puyat Avenue, P.O. Box 885 MCPO,

Makati, Metro Manila, Philippines

Tel: 819-7551

DENMARK

YS Copenhagen Liaison Office

Generatorvej 8B

DK-2730 Herlev, Denmark

Tel: 44 92 49 00

ARGENTINA

Yamaha Music Argentina S.A.

Viamonte 1145 Piso2-B 1053,

Buenos Aires, Argentina

Tel: 1-371-7021

SINGAPORE

Yamaha Music Asia Pte., Ltd.

Blk 202 Hougang, Street 21 #02-01,

Singapore 530202

FINLAND

PANAMA AND OTHER LATIN

AMERICAN COUNTRIES/

CARIBBEAN COUNTRIES

Warner Music Finland OY/Fazer Music

Aleksanterinkatu 11, P.O. Box 260

SF-00101 Helsinki, Finland

Tel: 0435 011

Tel: 382-1922

Yamaha de Panama S.A.

TAIWAN

Torre Banco General, Piso 7, Urbanización Marbella,

Calle 47 y Aquilino de la Guardia,

Ciudad de Panamá, Panamá

Yamaha KHS Music Co., Ltd.

10F, 150, Tun-Hwa Northroad,

Taipei, Taiwan, R.O.C.

NORWAY

Norsk filial av Yamaha Scandinavia AB

Grini Næringspark 1

N-1345 Østerås, Norway

Tel: 67 16 77 70

Tel: 507-269-5311

Tel: 02-717-3812

THAILAND

EUROPE

Siam Music Yamaha Co., Ltd.

121/60-61 RS Tower 17th Floor,

Ratchadaphisek RD., Dindaeng,

Bangkok 10320, Thailand

Tel: 02-641-2951

ICELAND

Skifan HF

Skeifan 17 P.O. Box 8120

IS-128 Reykjavik, Iceland

Tel: 525 5000

THE UNITED KINGDOM

Yamaha-Kemble Music (U.K.) Ltd.

Sherbourne Drive, Tilbrook, Milton Keynes,

MK7 8BL, England

Tel: 01908-366700

THE PEOPLE’S REPUBLIC OF CHINA

AND OTHER ASIAN COUNTRIES

Yamaha Corporation,

International Marketing Division

Nakazawa-cho 10-1, Hamamatsu, Japan 430

Tel: 053-460-2317

OTHER EUROPEAN COUNTRIES

IRELAND

Danfay Ltd.

61D, Sallynoggin Road, Dun Laoghaire, Co. Dublin

Tel: 01-2859177

Yamaha Europa GmbH.

Siemensstraße 22-34, 25462 Rellingen, F.R. of

Germany

Tel: 04101-3030

GERMANY/SWITZERLAND

Yamaha Europa GmbH.

Siemensstraße 22-34, 25462 Rellingen,

F.R. of Germany

AFRICA

OCEANIA

Tel: 04101-3030

Yamaha Corporation,

International Marketing Division

Nakazawa-cho 10-1, Hamamatsu, Japan 430

Tel: 053-460-2312

AUSTRALIA

AUSTRIA

Yamaha Music Australia Pty. Ltd.

17-33 Market Street, South Melbourne, Vic. 3205,

Australia

Yamaha Music Austria

Schleiergasse 20, A-1100 Wien Austria

Tel: 01-60203900

Tel: 3-699-2388

THE NETHERLANDS

Yamaha Music Nederland

Kanaalweg 18G, 3526KL, Utrecht, The Netherlands

Tel: 030-2828411

MIDDLE EAST

NEW ZEALAND

Music Houses of N.Z. Ltd.

146/148 Captain Springs Road, Te Papapa,

Auckland, New Zealand

TURKEY/CYPRUS

Yamaha Europa GmbH.

Siemensstraße 22-34, 25462 Rellingen,

F.R. of Germany

BELGIUM

Yamaha Music Belgium

Keiberg Imperiastraat 8, 1930 Zaventem, Belgium

Tel: 02-7258220

Tel: 9-634-0099

COUNTRIES AND TRUST

TERRITORIES IN PACIFIC OCEAN

Yamaha Corporation,

International Marketing Division

Nakazawa-cho 10-1, Hamamatsu, Japan 430

Tel: 053-460-2317

Tel: 04101-3030

OTHER COUNTRIES

Yamaha Corporation,

International Marketing Division

Nakazawa-cho 10-1, Hamamatsu, Japan 430

Tel: 053-460-2312

FRANCE

Yamaha Musique France,

Division Professionnelle

BP 70-77312 Marne-la-Vallée Cedex 2, France

Tel: 01-64-61-4000

HEAD OFFICE Yamaha Corporation, Electronic Musical Instrument Division

Nakazawa-cho 10-1, Hamamatsu, Japan 430

Tel: 053-460-2445

SY13

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VZ96900 801POCP1.3-01A0 Printed in Japan

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