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Thank you for purchasing a RadioShack MIDI 
Keyboard. Your keyboard is state-of-the-art 
with many exciting features. You can set the 
keyboard to sound like 50 different musical 
instruments. To accompany your music, the 
keyboard has 30 rhythms, as well as auto 
accompaniments and percussion sounds.

Your keyboard also includes a MIDI (Musical 
Instrument Digital Interface) OUT feature, 
which lets you connect it to other MIDI-
equipped musical instruments or devices — 
even your personal computer. 

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You can power your keyboard with:

• internal batteries

• standard AC power using an optional AC 

adapter

• a vehicle’s cigarette-lighter socket using 

an optional DC adapter

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Your keyboard can use six C batteries (not 
supplied) for power. For the best 
performance and longest life, we recommend 
RadioShack alkaline batteries. 

.

.

.

.

1. Slide 

POWER

 to 

OFF

.

2. Press the tabs on the battery 

compartment cover on the bottom of the 
keyboard and pull up the cover to 
remove it.

3. Place the batteries in the compartment 

as indicated by the polarity symbols 
(+ and –) marked inside the 
compartment.

4. Replace the cover.

When the keyboard stops operating properly, 
replace the batteries. 

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To power the keyboard from an AC outlet or 
your vehicle’s battery power, you need an AC 
or DC adapter and a size M Adaptaplug

 

(neither supplied, available at your local 
RadioShack store or online at 
www.RadioShack.com). 

.

.

.

.

1. Slide 

POWER

 to 

OFF

.

2. If necessary, set the AC or DC adapter’s 

voltage switch to 9V.

3. Attach the Adaptaplug to the adapter’s 

cord with the tip set to positive (+).

4. Connect the AC 

or DC adapter’s 
barrel plug to the 

DC 9V 

jack on 

the back of the 
keyboard.

5. Plug the other end of the adapter into the 

power source.

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To listen to your keyboard without disturbing 
others, you can connect an optional pair of 
stereo headphones with a 

1

/

8

-inch (3.5-mm) 

plug. Your local RadioShack store sells a 
wide selection of headphones.

Insert the headphones’ plug into the 

PHONE

 

jack on the back of the keyboard. 

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To protect your hearing, follow these 
guidelines when you use headphones.

• Set the volume to the lowest setting 

before you begin listening. After you 
begin listening, adjust the volume to a 
comfortable level.

• Do not listen at extremely high volume 

levels. Extended high-volume listening 
can lead to permanent hearing loss.

• Once you set the volume, do not 

increase it. Over time, your ears adapt to 
the volume level, so a volume level that 
does not cause discomfort might still 
damage your hearing. 

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To amplify your keyboard’s sound, you can 
connect it to an optional external amplifier 
using an audio cable with a 

1

/

8

-inch (3.5-mm) 

plug (not supplied).

To connect an external amplifier to your 
keyboard, insert the cable’s plug into the 

PHONE

 jack on the back of the keyboard, and 

connect the cable’s other end to the 
amplifier’s input jack(s) (such as AUX IN or 
TAPE IN).

RadioShack sells a full line of amplifiers, 
speakers, and connection cables.

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Introduction

This Owner’s Manual explains how to use this 
electronic keyboard. It does not teach music.

Connecting Power

Connecting an AC or DC adapter 
automatically disconnects internal batteries.

Always disconnect the AC or DC adapter 
when you finish using the keyboard.

Connecting Headphones

Connecting headphones disconnects the 
keyboard’s built-in speakers.

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Using 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.

If you do not plan to use the keyboard with 
batteries for a week or more, remove the 
batteries. Batteries can leak chemicals that 
can destroy electronic parts.

Using AC or DC Power

You must use a (Class 2 for AC) 
power source that supplies 9V DC 
and delivers at least 300 mA. Its 
center tip must be set to positive 
and its plug must fit the keyboard's DC 9V 
jack. Using an adapter that does not meet 
these specifications could damage the 
keyboard or the adapter.

Always connect the adapter to the keyboard 
before you plug it into the power source and 
unplug the adapter from the power source 
before you unplug it from the keyboard.

!

R

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R

"

Dispose of old batteries promptly and properly. 
Do not burn or bury them.

DC 9V

Summary of Contents for MD501

Page 1: ...w down the tempo of any selected music pattern 106 065 Introduction 2 Connecting Power 2 Using Batteries 2 Using AC or DC Power 2 Connecting Headphones 2 Listening Safely 2 Connecting an External Ampl...

Page 2: ...g follow these guidelines when you use headphones Set the volume to the lowest setting before you begin listening After you begin listening adjust the volume to a comfortable level Do not listen at ex...

Page 3: ...3 37 11 6 174 1 4 Speaker Speaker POWER...

Page 4: ...30 preset auto rhythms that provide a steady beat for your music The name and two digit number of each preset auto rhythm is listed on the RHYTHMS list on the keyboard s top panel You can play a prese...

Page 5: ...tions see Single Fingering FINGERED Standard Fingering mode This mode lets you play chords on the accompaniment keys using chord formations of from three or more notes The chord name appears on the di...

Page 6: ...til black dots appear next to ONE KEY on the left side of the display 2 Select a tone from the SONGS list and enter its two digit number on the keypad Or you can press or to move to the next higher or...

Page 7: ...m hi hat open high tom tom and hi hat close at your fingertips To play a percussion pad sound simply press the desired pad at any time The keyboard plays the selected percussion sound once each time y...

Page 8: ...ions then produces or records the sound as it was played on the first device 0 6 100 6 105 To connect your keyboard to another MIDI equipped device you must use a MIDI cable available at your local Ra...

Page 9: ...measures reorient or relocate the receiving antenna increase the distance between the equipment and the radio or TV use outlets on different electrical circuits for the keyboard and the radio or TV Co...

Page 10: ...10 14 465 These tables show the fingering for the chords you play most often Suspended Diminished...

Page 11: ...ply DC 9V Jack PHONE Jack 1 8 Inches 3 5 mm MIDI OUT Jack OUT Power Sources DC 6 C batteries AC 120V 60Hz with AC adapter Vehicle Battery 9V with DC adapter Dimensions HWD 2 15 16 26 15 16 10 9 16 Inc...

Page 12: ...e event of a product defect during the warranty period take the product and the RadioShack sales receipt as proof of purchase date to any RadioShack store RadioShack will at its option un less otherwi...

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