Troubleshooting - Optimus MD-1150 Owner's Manual

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
No sound, even if keys are
pressed.
No sound when connected
to an external amplifier.
The key or tuning does not
match when playing along
with another MIDI instru-
ment.
No sound when receiving
and playing MIDI data.
Bass notes in General MIDI
data are sent out one octave
lower.
Possible Cause
The keyboard has turned off
automatically.
Volume is turned down.
Headphones are connected.
Power supply problem.
You are pressing too few
accompaniment keys while
POWER/MODE is set to
FINGERED .
Volume is turned down.
Defective connection cord.
The tuning or transpose
parameter is set to a value
other than 0 or 00.
MIDI cables are not con-
nected properly.
Tone map parameter is set
to N.
Remedy
Set POWER/MODE to OFF
then ON again.
Repeatedly press MAIN
VOLUME to increase
the volume.
Disconnect headphones.
Check the power supply.
• Are battery symbols (+/
–) facing correctly?
• Are the batteries fresh?
• Is the AC adapter con-
nected properly?
Set POWER/MODE to
NORMAL or CONCERT
CHORD .
Press 3 or 4 keys to form a
chord while POWER/MODE
is set to FINGERED .
Repeatedly press MAIN
to increase
VOLUME
the volume.
Replace the connection
cord.
Set the tuning or transpose
to 0 or 00.
Check the connection.
Set the tone map parameter
to G (see "Changing MIDI
Settings" on Page 27).
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