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Concertmate 690
OWNER’S MANUAL
Please read before using this equipment.
Portable Electronic Keyboard
Cat. No. 42-4035
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FEATURES
Your Optimus Concertmate 690 Portable Electronic Keyboa rd is a state-ofthe-art musical instrument with many
special features. It can sound like 100
different musical instruments or sound
effects, and its preset rhythms and accompaniments make it easy to use and
fun! This versatile electronic key board
is ideal for anyone who wants to make
music, from the beginner to the experienced musician.
Your Concertmate 690’s features include:
Standard Size Keys
— let you eas ily
transfer what you learn using the Concertmate 690 to other keyboard instruments.
Built-In De monstra tion Tu ne
— lets
you hear a sample of what you and the
Concertmate 690 can do.
Polyphonic Sound
— lets you play
and hear up to eight notes at the same
time so you can create or play almost
any type of music.
Poly/Texture Key
— lets you adjust
the Concertmate 690’s polyphony
(harmony) and sound texture.
100 Preset Auto-Rhythms
— give
you a steady beat f or al mo st any s tyle
of music from rock to waltz.
Auto Accompaniment
— lets you automatically play a harmonic pattern to
match any auto-rhythm.
Tempo Controls
— let you speed up
or slow down the tempo of any autorhythm or auto accompaniment.
Fill-In Rhythm
— lets you insert a
short variation into any auto-rhythm.
Three Power Options
— let you power the Concertmate 690 from internal
batteries (not supplied), a standard AC
outlet (using an optional adapter), or
your vehicle’s cigarette lighter socket
(using an optional adapter).
To fully enjoy the features and functions of this electronic keyboard,
please read this manual carefully and
complet ely.
Note:
This manual explains how to use
this electronic keyboard. It does not
teach music.
100 Different Sounds
— let you set
your Concertmate 690 to sound like
anything from a banjo to an insect
when you press a key.
© 1997 Tandy Corporation.
RadioShack, Concertmate, and Optimus are registered trademarks used by Tandy Corporation.
All Rights Reserv ed .
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We recommend you record your Concertmate 690’s serial number here.
The number is located on the bottom of
the Concertma te 69 0.
Serial Number _________________
THE FCC WANTS YOU
TO KNOW
This electronic keyboard complies with
the limits for a Class B digital device as
specified in Part 15 of
These limits provide reasonable protection against radio and TV interference in a residential area. However,
your Concertmate 690 might cause TV
or radio interference even when it is
operating properly. To eliminate interference, you can try one or more of the
following corrective measures:
• Increase the distance between the
Concertmate 690 and t he radio or
TV.
• Use outlets on different electrical
circuits for the Concertmate 690
and the radio or TV.
Consult your local RadioShack store if
the problem still exists.
FCC Rules
.
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CONTENTS
Preparation ........................................................................................................... 5
Connecting Power ........................................................................................... 5
Using Batteries .......................................................................................... 5
Using AC Power ........................................................................................ 6
Using Vehicle Battery Power ..................................................................... 6
Using the Sheet Music Stand .......................................................................... 7
Control Locations ................................................................................................ 8
Operation .............................................................................................................. 9
Basic Operation ............................................................................................... 9
Playing the Demonstration Tune ..................................................................... 9
Using the Preset Sounds ................................................................. .......... .... 10
Selecting/Playing a Preset Sound ........................................................... 10
Playing KEYBOARD SPLIT Sounds ....................................................... 11
Playing Drum/Bass Split Sounds ............................................................ 11
Using the Preset Auto-Rhythms .................................................................... 11
Selecting/Playing an Auto-Rhythm ......................................................... 12
Using FILL-IN .......................................................................................... 12
Using Auto Accompaniment .......................................................................... 13
Easy Random Fingering ......................................................................... 13
Standard Fingering ................................................................................. 15
Adjusting the Polyphony/Texture ................................................................... 16
Troubleshooting ................................................................................................. 18
Care and Maintenance ....................................................................................... 19
Specifications ..................................................................................................... 20
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PREPARATION
CONNECTING POWER
For portable use, you can power your
Concertmate 690 using internal batteries. Using optional adapters, you can
also power it from a standard AC outlet
or your vehicle’s cigarette lighter socket.
Notes:
• Connecting an AC or DC adapter
automatically disconnects internal
batteries.
• Always disconnect an AC or DC
adapter when you finish using the
Concertmate 690.
Using Batte ries
Your Concertmate 690 can use six AA
batteries for power. For the best performance, we recommend alkaline
batteries, such as RadioShack Cat.
No. 23-552.
Cautions:
2. Press the tab on the bat tery compartment cover in the direction of
the arrow, then pull up to remove
the cover.
Tab
3. Put the batteries into the compartment as indicated by the polarity
symbols (+ and –) marked beside
the compartment.
4. Replace the cover.
Notes:
• If you do not plan to use the
Concertmate 690 with batteries
for a week or more, remove the
batteries.
• If the Concertmate 690 sounds
weak or does not work properly,
replace all six batteries. Do not
mix old and new batteries.
• Use only fresh batteries of the required size and recommended
type.
• Do not mix old and new batteries,
different types of batteries (standard, alkaline, or rechargeable),
or rechargeable batteries of different capacities.
1. Set
MODE
POWER OFF
to
.
Caution:
promptly and properly.
Cautions:
• Always remove old or weak bat-
• Dispose of old batteries promptly
Dispose of old batteries
teries; batteries can leak chemicals that can destroy electronic
parts.
and properly.
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Using AC Power
You can power y our Con ce rtmate 690
from a standard AC outlet using a 9volt AC adapter, such as Cat. No. 273-
1656.
Cautions:
• You must use an AC adapter that
supplies 9 volts of DC power and
delivers at least 500 milliam ps. Its
center tip must be s et t o negative,
and its barrel plug must properly
fit the Concertmate 690’s
jack. The recommended adapter
meets these specifications. Using
an adapter that does not meet
these specifications could damage the Concertmate 690 or the
adapter.
• Always plug the AC adapter into
the Concertmate 690 before you
plug it into the AC outlet. Always
unplug the AC adapter from the
AC outlet before you unplug it
from the Concertmate 690.
DC 9V
3. Plug the adapter into a standard
AC outlet.
Using Vehicle Battery Power
You can power y our Concertmate 690
from your vehicle’s cigarette lighter
socket using a DC adapter, such as
Cat. No. 270-1562.
Cautions:
• You must use a DC adapter that
supplies 9 volts of DC power a nd
delivers at least 500 mil liamps. Its
center tip must be sent to negative, and its barrel plug must properly fit the Concertmate 690’s
9V
jack. The recommended adapter meets these specifications. Using an adapter that does not meet
these specifications could damage the Concertmate 690 or the
adapter.
• Always plug the DC adapter into
the Concertmate 690 before you
plug it into the cigarette lighter
socket. Always unplug the DC
adapter from the cigarette lighter
socket before you unplug it from
the Concertmate 690.
DC
1. Set
MODE
POWER OFF
to
.
2. Insert the AC adapter’s barrel plug
DC 9V
into the
jack on the rear of
the Concertma te 69 0.
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USING THE SHEET
MUSIC STAND
To easily view sheet music while playing your Concertmate 690, insert the
supplied sheet music stand into the
holes on the top rear panel.
1. Set
2. Connect the adapter’s 5.5 mm
3. Set the adapter’s voltage switch to
4. Insert the adapter’s barrel plug
5. Plug the other end of the ad apter
MODE
outer diameter/2.1 mm inner diameter plug to the adapter ’s cord,
matching TIP to negative (–).
9 volts.
into the Concertmate 690’s
jack.
into the vehicle’s cigarette lighter
socket.
POWER OFF
to
.
DC 9V
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CONTROL LOCATIONS
TEMPO Buttons
FILL-IN Button
MODE Selector
VOLUME Control
START/STOP Button
SOUND/RHYTHM SELECT Buttons
SOUND POLY/TEXTURE Button
100 SOUNDS List
100 RHY THMS Lis t
DEMO Button
RHYTHM Button
Speaker
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