Radio-shack MD500 Manuel d'utilisateur télécharger pdf (Page 4)

3

Preparation



Preparation

To connect a MIDI device to your keyboard,

see “Making the MIDI Connections” on

Page 12.

CONNECTING POWER

You can power your keyboard in any of these

ways:

• internal batteries

• standard AC power using an optional

AC adapter

• a vehicle’s cigarette-lighter socket using

an optional DC adapter

Notes

:

• Connecting an AC or DC adapter auto-

matically disconnects internal batteries.

• Always disconnect the AC or DC

adapter when you finish using the key-

board.

Usin

g

Batteries

Your keyboard can use six C batteries (not

supplied) for power. For the best perfor-

mance and longest life, we recommend

RadioShack alkaline batteries.

Cautions:

• Use only fresh batteries of the required

size and recommended type.

• Do not mix old and new batteries, differ-

ent types of batteries (standard, alka-

line, or rechargeable), or rechargeable

batteries of different capacities.

1. Slide

POWER

to

OFF

.

2. Press the tabs on the battery compart-

ment cover on the bottom of the key-

board 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.

Warning:

Dispose of old batteries promptly

and properly. Do not burn or bury them.

Caution:

If you do not plan to use the key-

board with batteries for a week or more, re-

move the batteries. Batteries can leak

chemicals that can destroy electronic parts.

Usin

g

AC/DC Power

You can power the keyboard using an op-

tional 9V, 300-mA AC or DC adapter and a

size M Adaptaplug™ adapter (none sup-

plied). All are available at your local

RadioShack store.

Cautions:

You must use a Class 2 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 AC or DC adapter to

the keyboard before you connect it to

AC power or vehicle battery power.

When you finish, disconnect the adapter

from AC power or vehicle battery power

!

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