Your Optimus Concertmate 575 Portable Electronic Keyboa rd is a state-ofthe-art musical instrument with many
exciting features. You can set the keyboard to sound like 100 different musical instruments or sound effects. To
accompany your music, the keyboard
has 100 different preset rhythms, as
well as two types of auto-accompani ments.
Your Concertmate 575’s features include:
Mini Keys —
make the keyboard
compact and versatile so you can play
it anywhere.
Polyphonic Sound
— lets you play
and hear up to eight notes at the same
time, so you can creat e or pl ay alm ost
any type of music.
Poly/Texture Key
— lets you adjust
the Concertmate 57 5's sound texture
and polyphony (harmony).
Built-In De monstration Tune
— lets
you hear a sample of what you and the
Concertmate 575 can do.
100 Sounds
— let you set your Concertmate 575 to sound like anything
from a banjo to an insect when you
press a key.
100 Auto-Rhythms
— give you a
steady beat for a wide range of music
styles, from rhumba to slow rock.
Tempo Control
— lets you speed up
or slow down the t emp o of any selected music pattern.
Fill-In Rhythm Key
— let s yo u in sert
a short variation into any auto-rhythm.
Auto Accompaniment
— lets you set
the Concertmate 575 to automatically
play a preset harmonic pattern to
match the selected auto-rhythm.
Three Power Options
—let you power
the keyboard from internal batteries
(not supplied), standard AC power
(with an optional adapter), or your vehicle’s cigarette lighter socket (with an
optional adapter) so you can make music almost anywhere.
To fully enjoy the features and functions of this electronic keyboard,
please read this manual carefully and
complet ely.
Note: This owner’s manual explains
how to use this electronic keyboard. It
does not teach music.
We recommend record yo ur Concertmate 575’s serial number here. The
number is on the bottom of the Concertmate 575.
Serial Number __________________
THE FCC WANTS YOU
TO KNOW
This keyb oar d com plies with the lim its
for a Class B digital device as specified
in Part 15 of
provide reasonable pro tection against
radio and TV interference in a residential area. However, your keyboard
might cause TV or radio interference
even when it is operating properly. To
eliminate interference, you can try one
or both of the following corrective measures:
• Increase the distance between the
keyboard and the radio or TV
• Use outlets on different electrical
circuits for the keyboard and the
radio or TV
Consult your local RadioShack store or
an experienced radio/TV technician if
the problem still exists.
You can power y our Con ce rtmate 575
in any of these ways.
• Internal batteries (see “Using Batterie s ”)
• Standard AC power with an
optional AC adapter (see “Using
AC Power” on Page 6)
• A vehicle’s cigarette lighter sock et
with an optional DC adapt er (see
“Using Vehicle Battery Power” on
Page 7)
Notes:
• Connecting an AC or DC adapter
automatically disconnects internal
batteries.
• Always disconnect an adapter
from the power source when you
finish using the Concertmate 575.
USING BATTERIES
Your Concertmate 575 can use five AA
batteries (not supplied) for power. For
the best performance and longest life,
we recommend alkaline batteries,
such as RadioShack Cat. No. 23-552.
Caution:
the required size and type.
Follow these steps to install batteries
in the Concertmate 575.
1. Be sure
2. Press the tab on the bat tery com-
Only use fresh batteries of
MODE
is set to
OFF
.
POWER OFFFINGERED
NORMALCONCE
partment cover in the direction of
arrow, then pull up to remove the
cover.
3. Put the batteries in the compartment as indicated by the polarity
symbols (+ and –) marked beside
it.
4. Replace the cover.
Notes:
• If you won’t be using the Concertmate 575 for a week or more, or if
you plan to use it only with AC or
vehicle battery power, remove the
batteries.
• If the Concertmate 575 sounds
weak or does not work properly,
replace all five batteries. Do not
mix old and new batteries.
Caution: Dispose of old batteries
promptly and properly.
rectly fit the Concertmate 575’s
DC 7.5V
jack. The recommended
adapter meets these specifications. Using an adapter that does
not meet these specifications, or
using the recommended adapter
at a different voltage setting, could
damage the Concertmate 575 or
the adapter.
• Always plug the AC adapter into
the Concertmate 575 before you
plug it into the AC outlet. Always
unplug the AC adapter from the
AC outlet before you unplug it
from the Concertmate 575.
4
DC 7.5V
2
5
3
USING AC POWER
You can power y our Con ce rtmate 575
from a standard AC outlet using a 7.5volt AC adapter (not supplied), such as
RadioShack Cat. No. 273-1662.
Cautions:
• You must use an AC adapter that
supplies at least 7.5 volts and
delivers at least 300 milliam ps. Its
center tip must be s et t o negative,
its voltage switch must be set to
7.5 volts, and its plug must cor-
6
1. Be sure
OFF
.
MODE
is set to
POWER
2. Plug the proper-sized barrel plug
into the adapter’s cable so it reads
– (negative) TIP.
You can power y our Con ce rtmate 575
from your vehicle’s cigarette lighter
socket using a DC adapter (not supplied), such as RadioShack Cat. No.
270-1560.
4
DC 7.5V
2
5
6.0V
4.5V
3
Cautions:
• You must use a DC adapter that
supplies at least 7.5 volts and
delivers at least 300 milliam ps. Its
center tip must be s et t o negat ive,
its voltage switch must be set to
7.5 volts, and its plug must correctly fit the Concertmate 575’s
DC 7.5V
jack. The recommended
adapter meets these specifications. Using an adapter that does
not meet these specifications, or
using the recommended adapter
at a different voltage setting, could
damage the Concertmate 575 or
the adapter.
• Always plug the DC adapter into
the Concertmate 575 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 Concertma te 575.
1. Be sure
OFF
.
MODE
is set to
POWER
2. Plug the proper-sized barrel plug
into the adapter’s cable so it reads
– (negative) TIP.
3. Set the adapter’s voltage switch to
7.5 volts.
4. Insert the adapter’s other barrel
plug into
DC 7.5V
on the back of
the Concertmate 575.
5. Plug the other end of the adapter
into the vehicle’s cigarette lighter
socket.