42-4039.fm Page 29 Friday, March 3, 2000 8:55 AM

TROUBLESHOOTING

If your MD-1150 is not performing as it should, these suggestions might help. If you still cannot solve the problem, take the keyboard to your local RadioShack store for assistance.

Trouble

Possible Cause

Remedy

 

 

 

 

 

 

No sound, even if keys are

The keyboard has turned off

Set POWER/MODE to OFF

pressed.

automatically.

then ON again.

 

 

 

 

Volume is turned down.

Repeatedly press MAIN

 

 

VOLUME

to increase

 

 

the volume.

 

 

 

 

 

Headphones are connected.

Disconnect headphones.

 

 

 

 

Power supply problem.

Check the power supply.

 

 

• Are battery symbols (+/

 

 

–) facing correctly?

 

 

• Are the batteries fresh?

 

 

• Is the AC adapter con-

 

 

nected properly?

 

 

 

 

You are pressing too few

Set POWER/MODE to

 

accompaniment keys while

NORMAL or CONCERT

 

POWER/MODE is set to

CHORD.

 

 

FINGERED.

 

 

 

Press 3 or 4 keys to form a

 

 

 

 

chord while POWER/MODE

 

 

is set to FINGERED.

 

 

 

No sound when connected

Volume is turned down.

Repeatedly press MAIN

to an external amplifier.

 

VOLUME

to increase

 

 

the volume.

 

 

 

 

 

Defective connection cord.

Replace the connection

 

 

cord.

 

 

 

 

The key or tuning does not

The tuning or transpose

Set the tuning or transpose

match when playing along

parameter is set to a value

to 0 or 00.

 

with another MIDI instru-

other than 0 or 00.

 

 

ment.

 

 

 

 

 

 

No sound when receiving

MIDI cables are not con-

Check the connection.

and playing MIDI data.

nected properly.

 

 

 

 

 

Bass notes in General MIDI

Tone map parameter is set

Set the tone map parameter

data are sent out one octave

to N.

to G (see “Changing MIDI

lower.

 

Settings” on Page 27).

 

 

 

 

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Optimus MD-1150 owner manual Troubleshooting, Volume