Optimus MD-1150 - Manual (Page 29)

29
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
pressed. The keyboard has turned off
automatically. Set POWER/MODE to OFF
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
accompaniment keys while
POWER/MODE is set to
FINGERED. Set POWER/MODE to
NORMAL or CONCERT
CHORD.
Press 3 or 4 keys to form a
chord while POWER/MODE
is set to FINGERED.
No sound when connected
to an external amplifier. Volume is turned down. Repeatedly press MAIN
VOLUME
to increase
the volume.
Defective connection cord. Replace the connection
cord.
The key or tuning does not
match when playing along
with another MIDI instru-
ment. The tuning or transpose
parameter is set to a value
other than 0 or 00. Set the tuning or transpose
to 0 or 00.
No sound when receiving
and playing MIDI data. MIDI cables are not con-
nected properly. Check the connection.
Bass notes in General MIDI
data are sent out one octave
lower. Tone map parameter is set
to N. Set the tone map parameter
to G (see “Changing MIDI
Settings” on Page 27).
42-4039.fm Page 29 Friday, March 3, 2000 8:55 AM