Radio Shack MD-981 - Manual (Page 24)

24 Troubleshooting
Control Change — This feature sends
data on various controllers, each having
its own number. For the details of each
parameter, see “MIDI Data” on Page 22. Program Change — This feature
changes the preset sounds. Each sound
number corresponds to a program num-
ber between 0 and 127. For more infor-
mation, see “MIDI Data” on Page 22.
ˆ
Troubleshooting
If your keyboard 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 VOL-
UME
▲ to increase the volume.
Headphones are con-
nected. Disconnect headphones.
Power supply problem. Check the power supply.
Are battery symbols
(+/–) facing correctly?
Are the batteries fresh?
Is the AC or DC adapter con-
nected properly?
You are pressing too few
accompaniment keys
while POWER/MODE is
set to FINGERED. Set POWER/MODE to NOR-
MAL or CONCERT CHORD.
Press 3 or 4 keys to form a
chord while POWER/MODE is
set to FINGERED.
No sound when con-
nected to an external
amplifier. Volume is turned down. Repeatedly press MAIN VOL-
UME
▲ to increase the volume.
Defective connection cord. Replace the connection cord.
The key or tuning does
not match when playing
along with another MIDI
instrument. The tuning or transpose
parameter is set to a value
other than
0 or 00 .
Set the tuning or transpose to 0
or 00 .
42-4042.fm Page 24 Friday, April 28, 2000 11:18 AM