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Player’s

Manual

...1

Manual

del

Ejecutante

...11

Thank

You

And

congratulations

on

your

choice

of

the

CASIO

DG-20

Digital

Guitar.

Your

digital

guitar

is

an

entirely

new

type

of

digital

musical

instrument,

which

features

the

latest

in

state-of-the-art

digital

technology.

Read

the

Manual

To

obtain

optimum

performance

and

assure

long-term

reliability,

be

sure

to

read

this

manual

carefully

before

playing

your

new

DG-20

guitar.

■

Contents

of

this

manual

are

subject

to

change

without

notice.

■

CASIO

has

done

its

best

to

include

all

pertinent

information

on

the

DG-20

in

this

manual.

If

you

should

find

any

errors

or

have

questions

on

the

contents,

please

contact

your

distributor.

■

CASIO

reserves

exclusive

rights

to

the

contents

of

this

manual.

■

CASIO

does

not

claim

responsibility

for

damages

or

claims

incurred

as

a

result

of

the

use

of

the

DG-20

or

this

manual.

Important

Precautions

■

Please

be

careful

of

extreme

temperatures,

moisture

and

direct

sunlight.

Please

avoid

using

or

storing

your

DG-20

in

places

subject

to

direct

sunlight,

excessively

damp

places

or

near

air

conditioning

and

heating

appliances

where

temperatures

and

moisture

tend

to

be

extreme.

Also,

do

not

leave

this

unit

in

an

automobile

with

the

windows

closed

during

hot

summer

months.

■

Please

do

not

drop

this

instrument

or

subject

it

to

strong

shocks.

Subjecting

this

precision

instrument

to

strong

shocks

may

cause

malfunctions

or

damage

the

neck,

so

please

use

extreme

care

in

handling.

■

Make

sure

no

foreign

matter

gets

inside

of

this

unit.

Please

take

care

that

no

foreign

objects,

especially

metal

objects

such

as

hair

pins,

sewing

needles

or

coins

get

into

the

unit.

Any

metal

objects

or

liquids

entering

the

unit

may

cause

malfunctioning

as

well

as

an

electric

shock

hazard.

■

Customizing

may

cause

malfunction

and

accidents.

The

DG-20

uses

many

high-

precision

electronic

components.

Converting

it

in

any

manner

or

needlessly

touching

internal

parts

may

cause

malfunction

and

accidents

and

should

therefore

be

avoided

under

all

circumstances.

■

Do

not

use

thinner

or

similar

chemicals

when

cleaning

this

unit.

To

clean

the

DG-20,

wipe

the

exterior

surface

with

a

soft

cloth

dampened

with

a

neutral

detergent

solution

which

has

been

wrung

out

completely.

Never

use

paint

thinner,

benzene

or

other

solvents.

1

Contents

Features

and

Functions

3

Power

Supply

6

Changing

Strings

7

Digital

Performance

8

Specifications

9

Troubleshooting

Guide

10

Music

Score

21

Overall

View

©

Power

Switch

Used

to

turn

power

ON

and

OFF.

©

Main

Volume

Control

Used

to

control

volume

of

guitar

sounds.

(

3

)

Rhythm

Volume

Control

Used

to

control

volume

of

rhythm

sounds.

(

4

)

Speaker

High

performance

12cm

(4

3

/4

inch)

built-in

speaker.

(5

Mute

Key

Used

to

mute

sound

during

performance.

@

Start/Stop

Key

Used

to

start

and

stop

selected

auto-rhythm.

©

Synchro/Fill-in

Key

Used

to

select

Synchro

introduction

or

insert

fill-ins

in

auto-rhythm

Performance.

When

pressed,

Tempo

Indicator

(©)

flashes

selected

tempo.

When

a

string

is

played,

the

auto-rhythm

begins

automatically,

in

synchronization

(from

1

st

beat).

When

pressed

during

auto-rhythm

performance,

an

appropriate

fill-in

is

inserted

in

the

rhythm

pattern.

Press

the

Synchro/fill-in

once

more

to

cancel

the

synchro

start

mode.

(§)

Drum

Pads

When

these

pads

are

tapped,

corresponding

drum

sounds

are

output.

Performances

Using

Auto-Rhythm

and

Drum

Pads

When

drum

pads

are

tapped

during

auto-rhythm

performance,

the

auto-rhythm

automatically

stops

(allowing

a

manual

fill-in).

The

rhythm

then

starts

again

from

the

beginning

of

the

next

measure.

While

the

rhythm

is

stopped,

the

Tempo

Indicator

flashes

out

each

beat,

acting

as

a

metronome.

3

Side

Panel

Control

Section

©

Tone

Selectors,

©

Select

Key,

©

Select

Indicator

The

tone

selectors

are

used

to

specify

desired

guitar

tones.

Note

that

two

tones

are

assigned

to

each

tone

selector.

When

the

select

indicator

is

OFF,

the

upper

tones

are

specified.

To

select

a

lower

tone

(written

in

green),

press

the

select

key.

The

select

indicator

lights

indicating

lower

tones

may

be

selected.

Note

that

effects

such

as

Chorus

and

Vibrato

are

built-in

to

various

tones.

©

Rhythm

Selectors,

©

Select

Key,

©

Select

Indicator

The

rhythm

selectors

are

used

to

specify

desired

rhythms.

Note

that

two

rhythms

are

assigned

to

each

rhythm

selector.

When

the

select

indicator

is

OFF,

the

upper

rhythms

are

specified.

To

select

a

lower

rhythm

(written

in

green),

press

the

select

key.

The

select

indicator

lights

indicating

lower

tones

may

be

selected.

©

Tempo

Control

Keys

Used

to

adjust

rhythm

tempo.

Press

the

<

A

>

key

to

speed

up

rhythm,

or

the

<

▼

>

key

to

slow

rhythm

down.

Hold

the

key

down

to

make

major

changes

in

tempo.

Press

both

keys

simultaneous¬

ly

to

initialize

tempo

(reset

at

factory

setting

J

=

120).

©

Tempo

Indicator

Indicates

the

tempo

of

auto¬

rhythm.

Lights

to

indicate

the

first

beat

of

each

measure.

Also

lights

when

in

stand-by

status

in

Synchro

start

mode.

©Tone

_

Selectors

)

Select.

Key

©

Select

Indicator

TONE

ACO

GUITAR

1

ACO

GUITAR

2

ACO

GUITAR

3

■

sco

GUITAR

4

ELEC

GUITAR

1

ClEC-

miAEL2_

FLANGER

DISTOR¬

TS_

GLOCKEN

CRYSTAL

HARP

FUNKY

CLAVI

SHAMISEN

MANDOLIN

7SZ2—

ORGAN

ORGAN

TRUMPET

FLUTE

CHORUS

CLARINET

SELECT

RHYTHM

Pulse

Code

Modulation

ROCK

16

BEAT

POPS

REGGAE

COUNTRY

ENKA

SWING

BLUES

BOSSA

NOVA

SLOW

ROCK

WALTZ

TANGO

SELECT

TEMPO

cT

Sustain/

reverb

£

SOLO

TRANSPOSE

©Transpose

Keys

■

©

Rhythm

Selectors

®

Select

Key

@

Select

,

Indicator

@

Tempo

Indicator

©

Tempo

Control

Keys

1

)

Sustain/Reverb

Selector

)Solo

Selector

®

Sustain/Reverb

Selector

©

Solo

Selector

When

corresponding

indicator

is

ON,

sustain

or

reverb

effect

is

added

to

selected

Tone.

When

OFF,

sustain

or

reverb

effect

is

not

added

to

selected

Tone.

Note

that

switch

is

in

the

ON

mode

immedi¬

ately

after

power

is

turned

ON.

Used

to

select

monophonic

(solo)

or

6-note

polyphonic

performance

modes.

Indicator

lights

to

indicate

Solo

mode.

Solo

selector

is

OFF

when

DG-20

power

is

turned

ON.

©

Transpose

Keys

Used

to

raise

or

lower

key

in

11

half-step

increments.

Key

is

raised

one

half

step

each

time

the

<

▲

>

key

is

pressed,

and

lowered

one

half

step

each

time

the

<

▼

>

key

is

pressed.

Note

that

pitch

is

set

at

A4

=

442Hz

in

initialized

state

(when

power

is

turned

ON).

4

Connections

Connect

headphones

for

private

listening

(useful

at

night).

©

L

ine

Output

Jack

Connect

audio

or

musical

instru¬

ment

amplifiers.

©

AC

Adaptor

Jack

Input

cord

from

AC

adaptor

(AD-5)

when

using

home

current

or

car

adaptor

(CA-5).

©

Foot

Switch

Jack

Connect

optional

foot

switch

(SP-2,

SP-10,

optional)

for

foot-pedal

con¬

trol

of

auto-rhythm

ON/OFF.

©

Tuning

Control

Used

to

control

tuning,

raising

or

lowering

tuning

within

a

±

50

cents

range.

Useful

in

matching

tuning

with

other

instruments.

©

M

IDI

Mode

Switch

Used

to

select

either

MIDI

mode

3

(MODE

I)

or

mode

4

(MODE

II).

@

MIPi

Out

Terminal

Connect

DG-20

to

other

MIDI

instruments

or

devices.

MIDI

messages

transmitted

through

this

output.

(Refer

to

page

8

for

further

information

on

MIDI).

1.

When

a

string

is

played,

the

string’s

vibration

is

sensed

by

a

built-in

sensor

and

the

selected

tone

is

output

through

the

built-in

speaker.

2.

The

digital

guitar

features

switches

which

are

actually

built-in

to

the

fingerboard,

behind

each

fret.

If

your

finger(s)

is

not

properly

centered

over

the

strings

you

depress,

neighboring

strings

may

sound

(even

though

you

haven’t

depressed

neighboring

strings),

as

the

switches

may

be

activated.

No

sound

is

output

if

strings

are

played

too

softly.

There

are

two

different

basic

types

of

preset

sounds

built-in

to

the

DG-20—sounds

which

decay,

such

as

the

acoustic

guitar

tone,

and

sounds

which

are

sustained,

such

as

the

jazz

organ

tone.

Sustained

sounds

may

be

cut

off

by

using

the

mute

key,

or

by

releasing

the

fretboard

(which

turns

OFF

the

built-in

sensor

switch).

Fingerboard

String

L

.

-.r.

ON/OFF

Vibration

_

i

▼

...

Sensor

Switch

Sensor

(Pitch)

1

T

'

(Sound)

i

LSI

Circuitry

Z".

i

Speaker

►

M

I

D

I

Out

Output

5

Batteries

Household

AC

Current

Car

Cigarette

Lighter

Remove

the

battery

compartment

cover

and

insert

batteries,

taking

care

that

polarity

is

correct.

When

replacing

batteries,

be

sure

to

replace

all

six

to

ensure

longer

battery

life.

Turn

power

OFF

before

replacing

batteries.

life

of

high-performance

5UM-1

dry

cells

is

approximately

10

hours.

Weakened

batteries

will

?

au

®®

th

e

power

indicator

to

lose

brightness

and

result

in

lower

volume,

poor

tonal

quality

and

wentually

misoperation

of

unctions.

If

such

symptoms

occur,

Place

all

six

batteries

with

new

ones

as

soon

as

possible.

r

Connection

Panel

Connecting

AC

Adaptor

Connection

of

an

AC

adaptor

(AD-5,

optional)

allows

the

unit

to

be

powered

by

standard

household

current.

Use

only

an

adaptor

with

the

same

voltage

rating

as

your

local

power

supply.

Connecting

Car

Adaptor

Connection

of

a

car

adaptor

(CA-5,

optional)

allows

the

unit

to

be

pow¬

ered

through

a

vehicle’s

cigarette

lighter

socket.

■

Always

ensure

that

the

power

of

the

unit

is

OFF

when

connecting

or

disconnecting

adaptors.

■

Remove

batteries

from

the

battery

compartment

when

the

unit

is

not

used

for

extended

periods.

Battery

leakage

can

damage

electrical

components.

■

Only

use

specified

CASIO

AC

or

Car

adaptors

to

prevent

damage

to

the

unit.

■

Adaptors

normally

become

warm

when

connected

to

the

power

source.

This

is

not

cause

for

worry,

but

adaptors

should

be

disconnected

whenever

the

unit

is

not

used

for

extended

periods.

Auto

Power

Off

Function

An

automatic

power

cut-off

function

activates

approximately

6

minutes

after

the

last

operation

of

the

unit.

Power

supply

can

be

restored

by

switching

the

power

of

the

unit

OFF

and

then

ON

again.

6

CHANGING

STRINGS

Move

Press

Down

1.

A

s

shown

in

the

above

diagram,

press

down

on

the

sensor

cover

and

move

it

toward

the

neck.

Do

not

use

excessive

force

on

any

parts

in

the

sensor

assembly.

Pull

String

Through

Notch

and

Hole

2.

A

s

shown

in

FIG-1

above,

strings

pass

through

a

notch

in

the

end

of

the

sensor,

and

then

through

a

hole

in

the

sensor.

After

pulling

through

a

few

inches

of

string,

tie

the

string

as

shown

in

FIG-2.

Next,

fix

the

string

tight

and

cut

off

any

excess.

3.

I

n

s

ert

the

accessory

hex

wrench

(large)

into

the

head

and

turn

it

counter-clockwise

to

slide

the

headpiece

towards

the

body.

Next,

insert

the

other

hex

wrench

(small)

in

the

headpiece

and

loosen

the

screw.

4.

N

e

xt,

pull

the

string

through

the

hole

in

the

headpiece

and

tighten

the

headpiece

screw

while

pulling

the

string

taut.

Using

the

large

hex

wrench,

move

slide

the

headpiece

back

into

position

to

adjust

string

tension.

Avoid

tightening

the

strings

excessively,

as

this

may

lead

to

neck

warps

or

other

damage.

Also,

do

not

use

excessive

force

on

the

neck.

Follow

the

same

procedures

to

change

all

6

strings.

7

DIGITAL

PERFORMANCE

About

MIDI

/.

Performing

Using

MIDI

Remote

and

Ensemble

Performance

By

connecting

the

DG-20

to

another

MIDI

instrument,

6-note

polyphonic

note

messages

can

be

sent

to

the

other

instrument.

Through

this

the

DG-20

can

be

used

to

“control”

or

play

the

other

instrument,

for

example

a

keyboard

instrument.

Sequential

Performance

with

Rhythm

Machines

and

Sequencers

The

DG-20

can

be

used

to

start/stop

the

connected

drum

machines

or

sequencers,

for

precision

rhythm

track

or

sequence

control.

Control

Up

To

6

Different

Sound

(MUM

Mode

By

connecting

the

DG-20

to

a

CZ-1,

CZ-5000

or

other

keyboard

with

a

multi-receive

mode,

or

by

connect¬

ing

the

DG-20

to

up

to

6

different

keyboards,

a

maximum

of

6

differ¬

ent

voices

can

be

controlled

by

the

DG-20—with

a

different

voice

assigned

to

each

string.

n.

Transmitted

MIDI

Data

M.

Functions

of

MIDI

Terminal

and

MIDI

Mode

Switch

MIDI

Out

Terminal

MIDI

Out

Terminal

MIDI

Mode

MIDI

OUT

Switch

This

terminal

is

used

to

send

MIDI

messages

from

the

DG-20

to

exter¬

nal

MIDI

instruments

and

devices.

It

is

connected

to

the

MIDI

IN

terminal

of

other

MIDI

instruments.

MIDI

Mode

Switch

This

switch

is

used

to

specify

the

MIDI

performance

modes,

as

shown

below;

MIDI

Mode

I:

Poly

mode

(Mode

3)

MIDI

Mode

II:

Mono

mode

(Mode

4)

a.

MIDI

Mode

I:

Poly

mode

(Mode

3)

b.

MIDI

MODE

II:

Mono

mode

(Mode

4)

The

DG-2Q

Can

Transmit

The

Following

MIDI

Data

1)

Pitch,

ON/OFF

2)

Start/stop

3)

Timing

clock

4)

Program

change

(voice

number,

rhythm

number)

5)

Portamento

(When

changed

from

MODE

I

to

MODE

II,

PORTAMENTO

ON

is

sent

auto-

maticaly

to

Channels

1

through

6.

When

you

switch

from

MODE

I

to

MODE

II,

PORTAMENTO

OFF

is

sent

on

the

Basic

Channel

only).

Voice

data

transmitted

on

CH-1

through

6

Rhythm

data

transmitted

on

CH-16

□

i

•II

Examples

of

MIDI

Connections

a.

Example

of

MIDI

Mode

I

application:

Use

the

DG-20

to

sound

a

rhythm

machine

(RZ-1)

with

the

CZ-1

as

a

sound

source.

_1

~[_r:—

1

OUT

IN

THRU

IN

DG-20

RZ-1

CZ-1

CLOCK=EXT

CH-4

CH-1

b.

Example

of

MIDI

Mode

II

application:

_1_

A

OUT

IN

DG-20

CZ-1

CH-2

1

Vibraphone

CH-3

)

CH-4

[

Brass

CH-5

)

CH-6

Bass

In

the

above

application,

the

vibraphone

tone

can

be

sounded

by

a

playing

strings

1

and

2,

with

Brass

tones

on

strings

3

through

5,

and

a

bass

tone

sounded

on

string

6.

1st

string

=

2nd

string

=

3rd

string

=

4th

string

=

5th

string

=

6th

string

=

8

Model;

Casio

Digital

Guitar

DG-20

Polyphonic;

6-note

polyphonic

(mono

in

solo

mode)

Preset

Tones;

20

tones;

acoustic

guitar

1

~4,

electric

guitar

1

and

2,

flanger,

glocken,

harp,

shamisen,

jazz

organ,

trumpet,

chorus,

distortion,

crystal,

funky

clavi,

mandolin,

organ,

flute,

clarinet

Effects;

sustain/reverb,

vibrato

(built-in

to

tones)

Auto-rhythms;

12

Rhythms

(PCM

source);

rock,

16

beat,

pops,

reggae,

country,

enka,

swing,

blues,

bossanova,

slow

rock,

waltz,

tango

Pram

pads;

4

onboard

drum

pads

(snare

drum,

high

tom,

low

tom,

cymbal)

Rhythm

Controls;

start/stop

keys,

synchro/fill-in

key,

tempo

control

keys,

tempo

indica¬

tor,

rhythm

volume

control

Other

Controls:

transpose

(C-B

in

half-tone

incre¬

ments),

mute,

solo

selector

Tuning

control:

A4

=

442Hz

±

50

cents

(±

1

/4

tone)

Speaker:

12cm

(4%

inch)

dia.

x

1

(2.0W)

Terminals:

headphone

jack

(output

impedance

=

3k

Q,

output

voltage

=

0.5

V

(RMS)

MAX),

foot

switch

jack,

MIDI

OUT

terminal,

AC

adaptor

jack

(DC

9V)

Power

Source;

3-way

AC/DC

power

source;

DC:

6

D-size

dry

cell

batteries

(Battery

Life

approx.

18

hours)

AC:

AC

adaptor

(AD-5,

optional)

Car

Battery:

car

adaptor

(CA-5,

optional)

Auto

Power

OFF:

Power

turns

OFF

automatically

approximately

6

minutes

after

last

use.

Power

Consumption;

4.3W

Dimensions:

995(L)

x

340(W)

x

95(H)

mm

(39

3

/ie"

(L)

x

1

3

3

/s

"(W)

x

3

3

/4

"

(H))

Weight:

3.4kg

(7.7

lbs)

including

batteries

Standard

Accessories:

6

D-size

dry

cell

batteries,

2

hex

wrenches

Optional

Accessories:

■

AC

adaptor

(AD-5)

■

Car

adap¬

tor

(CA-5)

■

Custom

soft

case

(SC-70G)

■

Headphones

(CP-2)

■

Sustain

pedal

(SP-2,

SP-10)

All

optional

accessories

are

available

through

your

autho¬

rized

CASIO

dealer.

Design

and

specifications

subject

to

change

without

notice.

9