Yamaha MU15 Omistajan opas

Owner’s Manual

Bedienungsanleitung

Mode d’emploi

2

SPECIAL MESSAGE SECTION

This product utilizes batteries or an external power

supply (adapter). DO NOT connect this product to

any power supply or adapter other than one de-

scribed in the manual, on the name plate, or spe-

cifically recommended by Yamaha.

WARNING: Do not place this product in a position

where anyone could walk on, trip over ,or roll

anything over power or connecting cords of any kind.

The use of an extension cord is not recommended!

IF you must use an extension cord, the minimum

wire size for a 25' cord (or less ) is 18 AWG. NOTE:

The smaller the AWG number ,the larger the current

handling capacity. For longer extension cords,

consult a local electrician.

This product should be used only with the compo-

nents supplied or; a cart, rack, or stand that is

recommended by Yamaha. If a cart, etc., is used,

please observe all safety markings and instructions

that accompany the accessory product.

SPECIFICATIONS SUBJECT TO CHANGE:

The information contained in this manual is be-

lieved to be correct at the time of printing. However,

Yamaha reserves the right to change or modify any

of the specifications without notice or obligation to

update existing units.

This product, either alone or in combination with an

amplifier and headphones or speaker/s, may be

capable of producing sound levels that could cause

permanent hearing loss. DO NOT operate for long

periods of time at a high volume level or at a level

that is uncomfortable. If you experience any hear-

ing loss or ringing in the ears, you should consult

an audiologist.

IMPORTANT: The louder the sound, the shorter

the time period before damage occurs.

Some Yamaha products may have benches and / or

accessory mounting fixtures that are either supplied

with the product or as optional accessories. Some of

these items are designed to be dealer assembled or

installed. Please make sure that benches are stable

and any optional fixtures (where applicable) are well

secured BEFORE using.

Benches supplied by Yamaha are designed for

seating only. No other uses are recommended.

NOTICE:

Service charges incurred due to a lack of knowl-

edge relating to how a function or effect works

(when the unit is operating as designed) are not

covered by the manufacturer’s warranty, and are

therefore the owners responsibility. Please study

this manual carefully and consult your dealer

before requesting service.

ENVIRONMENTAL ISSUES:

Yamaha strives to produce products that are both

user safe and environmentally friendly. We sin-

cerely believe that our products and the production

methods used to produce them, meet these goals.

In keeping with both the letter and the spirit of the

law, we want you to be aware of the following:

Battery Notice:

This product MAY contain a small non-recharge-

able battery which (if applicable) is soldered in

place. The average life span of this type of battery

is approximately five years. When replacement

becomes necessary, contact a qualified service

representative to perform the replacement.

This product may also use “household” type batter-

ies. Some of these may be rechargeable. Make

sure that the battery being charged is a recharge-

able type and that the charger is intended for the

battery being charged.

When installing batteries, do not mix batteries with

new, or with batteries of a different type. Batteries

MUST be installed correctly. Mismatches or incor-

rect installation may result in overheating and

battery case rupture.

Warning:

Do not attempt to disassemble, or incinerate any

battery. Keep all batteries away from children.

Dispose of used batteries promptly and as regu-

lated by the laws in your area. Note: Check with

any retailer of household type batteries in your area

for battery disposal information.

Disposal Notice:

Should this product become damaged beyond

repair, or for some reason its useful life is consid-

ered to be at an end, please observe all local,

state, and federal regulations that relate to the

disposal of products that contain lead, batteries,

plastics, etc. If your dealer is unable to assist you,

please contact Yamaha directly.

NAME PLATE LOCATION:

The name plate is located on the bottom of the

product. The model number, serial number, power

requirements, etc., are located on this plate. You

should record the model number, serial number,

and the date of purchase in the spaces provided

below and retain this manual as a permanent

record of your purchase.

PLEASE KEEP THIS MANUAL

Model

Serial No.

Purchase Date

92-BP (bottom)

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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:

(4)-3

• 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 immediately and have it

inspected by qualified Yamaha service personnel.

• 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.

• 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 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-3B or an equivalent

recommended by Yamaha) only. Using the wrong adaptor can

result in damage to the instrument or overheating.

• Before cleaning the instrument, always remove the electric

plug from the outlet. Never insert or remove an electric plug

with wet hands.

• 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.

• When removing the electric plug from the instrument or an

outlet, always hold the plug itself and not the cord.

• 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.

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

or during electrical storms.

• 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 dispose of batteries in fire.

• 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.

• 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.

• 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.

• Do not use the instrument near other electrical products such

as televisions, radios, or speakers, since this might cause

interference which can affect proper operation of the other

products.

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

might accidentally fall over.

• 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.

• 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 uncomfortable volume level, since this can cause

permanent hearing loss. If you experience any hearing loss or

ringing in the ears, consult a physician.

■SAVING USER DATA

• Save all data to an external device such as the Yamaha MIDI

Data Filer MDF3, in order to help prevent the loss of important

data due to a malfunction or user operating error.

Yamaha cannot be held responsible for damage caused by

improper use or modifications to the instrument, or data that is

lost or destroyed.

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

Make sure to discard used batteries according to local regulations.

4

Welcome to the MU15

Congratulations and thank you for purchasing the Yamaha MU15 Tone Genera-

tor!

The MU15 an advanced, yet easy-to-use tone generator providing exceptionally

high-quality Voices, built-in effects, XG format and General MIDI (GM) compat-

ibility, plus direct connection to computer — all in a highly compact and

portable package.

With the built-in host computer interface and MIDI terminals, the MU15 is ideal

for any computer music system — from connection to a simple laptop to

integration in a complete MIDI studio. It even features a two-octave keyboard

(with adjustable ten-octave range), allowing you to play the internal Voices and

enter notes to a connected sequencer. Since it’s compatible with Yamaha’s

powerful XG format, it lets you faithfully and easily playback any XG or GM

song data.

The MU15 also features 16-Part multi-timbral capacity and full 32-note poly-

phony for playback of even very sophisticated, multi-part song data. Three

independent digital effect sections give you enormous versatility in “sweeten-

ing” the sound. What’s more, the MU15 provides a host of comprehensive

editing tools for getting just the sound you need.

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GM System Level 1

“GM System Level 1” is a standard specification that

defines the arrangement of voices in a tone generator

and its MIDI functionality, ensuring that data can be

played back with substantially the same sounds on any

GM-compatible tone generator, regardless of its manu-

facturer or model.

Tone generators and song data that meet the “GM

System Level 1” bear this GM logo.

XG

“XG” is a tone generator format that expands the voice

arrangement of the “GM System Level 1” specification

to meet the ever-increasing demands of today’s com-

puter peripheral environment, providing richer expres-

sive power while maintaining upward compatibility of

data. “XG” greatly expands “GM System Level 1” by

defining the ways in which voices are expanded or

edited and the structure and type of effects.

When commercially available song data bearing the XG

logo is played back on a tone generator which bears the

XG logo, you will enjoy a full musical experience that

includes unlimited expansion voices and effect func-

tions.

Your MU15 package should include the items listed below. Make sure that you

have them all.

• MU15

• Owner’s Manual

6

How to Use This Manual .......................................................................................... 8

The MU15 — What It Is and What It Can Do ........................................................ 10

What It Is... ................................................................................................... 10

What It Can Do... .......................................................................................... 10

About General MIDI (GM) ............................................................................. 12

About XG ...................................................................................................... 12

Panel Controls and Terminals ................................................................................ 13

Guided Tour 17

Setting Up Your MU15 ............................................................................................ 17

What You’ll Need .......................................................................................... 17

Power Supply ............................................................................................... 18

Using a Power Adaptor .................................................................... 18

Using Batteries ................................................................................ 19

When to Replace the Batteries ........................................................ 19

Making the Connections ............................................................................... 20

Powering Up ................................................................................................. 21

Playing the MU15 .................................................................................................... 22

Playing the Keyboard .................................................................................... 22

Playing the Demo Song ................................................................................ 22

Selecting Voices ........................................................................................... 24

About Parts, Voices, and Banks .................................................................... 24

Selecting Parts .............................................................................................. 26

Selecting Banks ............................................................................................ 27

Playing Drum Voices ..................................................................................... 28

Changing the Octave Setting ........................................................................ 29

Editing a Part ................................................................................................ 30

Changing the Note Shift and Volume Settings ................................ 30

Soloing and Muting Parts ............................................................................. 31

Using the Effects .......................................................................................... 32

Using Reverb and Chorus ................................................................ 32

Using the Variation Effects .............................................................. 33

Using the MU15 with a Computer/Sequencer ..................................................... 36

Setting Up ..................................................................................................... 36

Playing Song Data ......................................................................................... 40

MIDI/Computer Connecting Cables .............................................................. 41

Reference 42

Function Tree ........................................................................................................... 42

Play Mode ................................................................................................................ 43

Sound Module Mode .................................................................................... 43

Edit Mode ................................................................................................................. 44

Part Controls ................................................................................................. 45

Volume ............................................................................................. 46

Pan ................................................................................................... 47

Note Shift ......................................................................................... 47

Solo .................................................................................................. 48

Mute ................................................................................................ 49

Table of Contents

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Table of Contents

• Filter Parameters — Cutoff Frequency and Resonance ............. 50

Cutoff Frequency ............................................................................. 50

Resonance ....................................................................................... 51

• EG (Envelope Generator) Parameters — Attack Time and

Release Time .................................................................................. 52

Attack Time ...................................................................................... 53

Release Time ................................................................................... 53

• Vibrato Parameters — Rate, Depth, and Delay ........................... 54

Vibrato Rate ..................................................................................... 54

Vibrato Depth ................................................................................... 54

Vibrato Delay .................................................................................... 55

Effect Controls .............................................................................................. 56

• Reverb Parameters ........................................................................ 56

Reverb Send Level ........................................................................... 57

Reverb Type ..................................................................................... 57

• Chorus Parameters ........................................................................ 58

Chorus Type ..................................................................................... 58

Chorus Send Level ........................................................................... 59

• Variation Parameters..................................................................... 59

Variation Connection ........................................................................ 60

Variation Type ................................................................................... 60

Variation Send Level ........................................................................ 61

Dry Level .......................................................................................... 62

Utility Controls .............................................................................................. 63

Master Tune ..................................................................................... 63

Velocity ............................................................................................ 64

Local Control .................................................................................... 64

Dump Out ........................................................................................ 65

Initialize All ....................................................................................... 68

Appendix 69

Troubleshooting ...................................................................................................... 69

Error Messages ........................................................................................................ 71

Specifications .......................................................................................................... 72

Index ......................................................................................................................... 73

Sound List & MIDI Data 75

XG Normal Voice List .............................................................................................. 76

TG300B Normal Voice List ...................................................................................... 78

XG Drum Voice List (Drum Map) ........................................................................... 80

TG300B Drum Voice List (Drum Map) ................................................................... 82

Effect Type List ........................................................................................................ 84

Effect Parameter List............................................................................................... 85

Effect Data Assign Table ......................................................................................... 90

MIDI Data Format .................................................................................................... 91

MIDI Implementation Chart .................................................................................. 108

8

How to Use This Manual

You are probably eager to try out your new MU15 Tone Generator right away

and hear what it can do, rather than have to read through a lot of instructions

before you can even get a sound out of it. Since the MU15 is so easy to use,

you could play it right “out of the box” without even having to glance at the

manual. However, to get the most out of your MU15 and to avoid damaging it,

we strongly suggest that you take time to read the sections introduced below.

The structure of the manual is very straightforward. You can approach it in a

linear manner, reading through from beginning to end, or on an “on-demand”

basis, going directly to the information as you need it.

1) Precautions

Read this section very carefully for important information on how to

care for your new MU15, how to avoid damaging it, and how to

ensure long-term, reliable operation.

2) The MU15 — What It Is and What It Can Do

This briefly provides an overview of the functions and features of the

MU15 and offers some important hints on how you can use it

effectively.

3) Panel Controls and Terminals

This section introduces you to the panel controls and terminals of the

MU15, and where applicable provides convenient page references

for more information.

4) Guided Tour

This is perhaps the most important and valuable section of the

manual. It gets you started using your new MU15, helping you set

up the instrument, integrate it into your music system, and play it. It

also introduces you to virtually all of the important functions and

features. The hands-on experience that you gain in this section will

help you quickly master the instrument and aid you in navigating the

more detailed sections of the manual.

How to Use This Manual

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5) Reference

Once you’re familiar with everything above, lightly go over this

comprehensive guide to all editing functions. You won’t need (or

want) to read everything at once, but it is there for you to refer to

when you need information about a certain feature or function.

6) Appendix

Use the sections in the Appendix as necessary. For example, the

Index will come in handy when you need to quickly find information

on a specific topic. Other sections, such as Troubleshooting and

Error Messages, provide additional useful information.

7) Sound List & MIDI Data

This section features lists of the Voices, drum sounds, effect types

and parameters, as well as details on all relevant MIDI messages and

data.

NOTE

• The illustrations and LCD screens as shown in this owner’s manual are

for instructional purposes only, and may appear somewhat different

from those on your instrument.

How to Use This Manual

10

The MU15 — What It Is and What It Can Do

The MU15 — What It Is and

What It Can Do

What It Is...

The MU15 is a compact, highly portable and easy-to-use tone

generator. It features XG compatibility with a stunning variety of 480

XG Voices (including 128 GM Voices) and 11 Drum Voices (with

Drum and SFX kits).* The MU15 has 32-Voice polyphony and is 16-

Part multi-timbral. In other words, the MU15 has 16 different Parts,

each with its own Voice, so that up to 16 different Voices can be

sounded simultaneously.

With the built-in two-octave keyboard, you can play any of the Voices

directly from the MU15 itself. Or you can play them from a con-

nected MIDI keyboard. In addition, the MU15 also has a TO HOST

terminal for easy interfacing with a computer, allowing you to play

the Voices using your favorite music software. This is where the

advanced multi-timbral capabilities come in, letting you play up to 16

different Voices at the same time.

* The MU15 has a total of 676 different Voices. A separate

TG300B mode (page 43) features 579 Voices, some of which are

diiferent than the XG set.

What It Can Do...

Here are a few ideas on how you can use the MU15. 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.

Carry It With You

If you have a laptop computer (and sequencing software), simply

connect the MU15, plug in some headphones and you’ve got a

complete music making system that’s ready to go wherever you go.

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The MU15 — What It Is and What It Can Do

Use it for composing, arranging, practicing or making/playing demos

for your band.

Perform With It

Bring it with you to a gig — as long as there’s a MIDI keyboard on

stage, you can use the high-quality sounds of MU15 in your perfor-

mance.

Multimedia

Since it’s portable and compatible with General MIDI, the MU15 is a

natural for multimedia applications. Bring it with you to a presenta-

tion — since the computer interface is built-in to the MU15, it hooks

up instantly and easily to the computer’s serial port without the need

for any other equipment.

Using With MIDI Keyboard

Use the MU15 as supplementary tone generator with your MIDI

keyboard and play the Voices of both instruments in a layer together.

Or, if your keyboard has the capability, program a “split” so that the

notes you play on the right side of the keyboard play only the Voices

of the MU15.

Using With Other MIDI Controllers

Even if you’re not a keyboard player, you can still play the MU15 with

other types of MIDI controllers. For example, use a MIDI percussion

controller to play the drum and percussion sounds of the MU15.

Guitar controllers (such as the Yamaha G50) or wind controllers (such

as the Yamaha WX5) are also available for players of those instru-

ments.

Home Studio Setup

The MU15 integrates easily into any existing setup. If you have a

MIDI keyboard, computer and sequencing software, the MU15 with

its high-quality Voices and multi-timbral capabilities can expand your

home studio system.

12

About General MIDI (GM)

General MIDI (GM) is a new addition to the worldwide MIDI stan-

dard. MIDI, as you know, stands for Musical Instrument Digital

Interface, and makes it possible for various electronic musical

instruments and other devices to “communicate” with each other.

For example, by connecting a sequencer to the MU15’s MIDI IN

terminal, you could play back a song on the sequencer using the

Voices of the MU15.

So, where does GM fit in all of this? One of the most important

features of General MIDI is in the standardization of Voices. This

means that a song recorded in the GM standard can be played back

on any GM-compatible tone generator and sound just as the com-

poser intended. For example, if there is an alto sax solo in the song,

it will be played by an alto sax Voice on the General MIDI tone

generator (and not by a tuba or harpsichord!). Since the MU15 is

fully GM-compatible, you can take advantage of the vast wealth of

musical material recorded in that format.

About XG

The Yamaha XG format is an extension of General MIDI, and pro-

vides a number of significant improvements and enhancements. XG-

compatible song data takes advantage of the expanded Voice set,

extensive MIDI control and built-in effects of the MU15 (as well as

other MU-series instruments).

To get the most out of XG and your MU15, we recommend using

XG-compatible instruments and software. For example, the Yamaha

CBX-K2 keyboard lets you dynamically control a variety of param-

eters in real time while you play. The XGworks sequencer software

not only lets you playback GM- or XG-compatible song data, it lets

you record your own songs — and gives you enormously powerful

and easy-to-use editing tools for adjusting detailed settings of the

MU15 that are unavailable with the panel controls.

The MU15 — What It Is and What It Can Do

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Panel Controls and Terminals

Front Panel

GrandPno

q w e r t

y u

q Display

In the Play mode, this shows the Part number, the currently selected

program number and Voice name for the Part. It also shows the

octave setting (when set to a value other than normal) and acts as a

“level meter,” showing the volume for each Part as it is played.

When the XG BANK button is held down, it shows the currently

selected Bank number and Voice name.

In the Edit mode, this shows the relevant values and, where appli-

cable, a graphic display of the set values.

14

Panel Controls and Terminals

w PART buttons ( , )

For selecting the desired Part. (In some of the Edit functions, these

may not be available.) Hold down either button to rapidly advance

through the values.

e VALUE buttons ( /NO, /YES)

For changing the value of the selected function or parameter. In the

Play mode, these are used to change the Voice number (or Bank

number) at the selected Part. In the Edit mode, these are used to

change the current function’s value. Hold down either button to

rapidly advance through the values. For even faster editing, simulta-

neously hold down one button, and then press (or hold down) the

other. For example, to rapidly decrease the value, simultaneously

hold down the

/NO button and press the /YES button.

r XG BANK button

For selecting or confirming the desired Voice Bank (pages 26, 27).

To select Banks, simultaneously hold down this button and press

one of the VALUE buttons. To confirm the currently selected Bank,

simply press this button.

t PLAY/EDIT button

For switching between the Play and Edit modes, and (when held

down) for selecting the desired Edit mode parameter. (Page 30.)

y OCTAVE DOWN and OCTAVE UP buttons

For changing the octave transposition of the MU15’s keyboard.

(Page 29.)

u Keyboard

This two-octave keyboard is used to play the Voices of the MU15. It

can also be used to enter notes to a connected sequencer or

computer. (Page 22.)

The keys are also used to select Edit mode parameters (the names

of which are printed on the buttons). (Page 44.)

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English

Panel Controls and Terminals

Rear Panel

q w e r t

q MIDI OUT and MIDI IN terminals

For connection to other MIDI devices, such as a MIDI keyboard, tone

generator, sequencer, or to a computer that has a MIDI interface.

(Pages 20, 39.)

w HOST SELECT switch

For selecting the type of connected device (computer or MIDI

device). (Page 37.)

e TO HOST terminal

For connection to a host computer that does not have a MIDI

interface. (Page 37.)

r DC IN jack

For connection to the AC power adaptor (PA-3B).

t ON/ STANDBY switch

For turning the power on and off.

16

Side Panel

q VOLUME control

For adjusting the overall level of the MU15.

w LINE OUT/PHONES jack

For connection to an amplifier/speaker system or a set of stereo

headphones.

q w

Panel Controls and Terminals

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Guided Tour

When using your MU15 for the first time, read

through this short section of the manual. It guides you

step-by-step in using many of the basic operations: setting

the instrument up, connecting it properly to other equip-

ment, and — most importantly — playing it. It also intro-

duces you to most of the other, advanced features and

operations of the instrument — enabling you to quickly

and effectively get the most out of your new MU15.

Setting Up Your MU15

Since the MU15 has a built-in keyboard, you could use it with nothing more

than a set of batteries and a proper set of stereo headphones. It can also be

used effectively with a computer in a “desktop music” system.

In this section, however, you’ll learn how to connect the MU15 in a basic

system with a MIDI keyboard and an external amplifier/speaker system. (For

basic information on MIDI and its applications, see page 91.)

What You’ll Need

• The MU15 and a proper power supply (either an AC adaptor or

batteries).

• A MIDI keyboard, electronic piano, or any instrument that can

output MIDI data.

• An amplifier speaker system, preferably stereo. Alternately, you

can use a set of stereo headphones.

• Audio connecting cables.

• A MIDI cable.

18

Using a Power Adaptor

Connect one end of the power adaptor (Yamaha PA-3B) to the DC IN

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

outlet.

WARNING

• Do not attempt to use an AC adaptor other than the PA-3B. The use of

an incompatible adaptor may result in irreparable damage to the MU15,

and even pose a serious shock hazard.

CAUTION

• When connecting the AC power adaptor, first make sure that the MU15

is turned off (set to STANDBY). Next, connect one end of the power

adaptor to the DC IN jack on the MU15, and connect the other end to

an appropriate AC outlet.

• The MU15 has a convenient data backup feature that maintains any

changes you’ve made to the settings, even when the power is turned

off. However, removing the batteries or disconnecting the AC adaptor

automatically clears the data and restores the factory defaults. To save

your important data, use the Dump Out function (page 65).

Power Supply

Although the MU15 will run either from an optional AC adaptor or batteries,

Yamaha recommends use of an AC adaptor whenever possible. Moreover, an

AC adaptor is more environmentally friendly than batteries and does not

deplete resources.

CAUTION

• Before making any connections, make sure that all equipment to be connected is

turned off.

Setting Up Your MU15

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Using Batteries

To use the MU15 on battery power, insert six 1.5V AA size (SUM-3,

R-6 or equivalent) manganese or alkaline batteries in the battery

compartment. Make sure to follow the polarity indications on the

bottom case (and as shown below).

Securely replace the battery compartment cover when done install-

ing the batteries.

When to Replace the Batteries

When the battery power runs too low to operate the MU15, the

sound may become distorted and the following display will appear:

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 an extended

period of time.

Setting Up Your MU15

Battery

20

Setting Up Your MU15

Making the Connections

CAUTION

• Before making any connections, turn all related equipment off, and make sure the

MU15’s power adaptor is not connected to an electrical outlet.

Operation

Z Connect the MIDI cable.

Connect the MIDI OUT terminal of the MIDI keyboard to the MIDI IN

terminal of the MU15 (as shown in the illustration).

X Connect the audio cables.

If you are using an external sound system, connect the LINE OUT/

PHONES jack on the side of the MU15 to the appropriate inputs of

the sound system (as shown). Use a stereo mini-plug to dual RCA

pin “Y” cable (available at many audio and musical instrument

dealers).

If you are using stereo headphones (with a stereo mini-plug), con-

nect them to the same LINE OUT/PHONES jack on the MU15.

C Set the HOST SELECT switch.

Set this rear panel to “MIDI” (as shown).

GrandPno

MIDI OUT

LINE OUT/

PHONES

MIDI IN

Amplifier/speaker system

MIDI keyboard

MIDI

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Yamaha MU15 Omistajan opas

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Yamaha MU15 Omistajan opas

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