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20
TROUBLESHOOTING
If your Concertmate 410 is not performing as it should, these suggestions might
help. If you still cannot solve the problem, take the keyboard to your local Ra-
dioShack store for assistance.
S
y
mptom Possible Cause Remed
y
No sound, even if
keys are pressed.
POWER
is set to
OFF
.Set
POWER
to
ON
.
VOLUME
is turned down. Turn up
VOLUME.
Headphones are con-
nected.
Unplug headphones.
Power supply problem. Check the power supply.
• Ensure batteries are
installed correctly.
• Ensure batteries are
fresh.
• Check for correct AC/
DC adapter connection.
No rhythm.
VOLUME
is turned down. Adjust
VOLUME.
Rhythm was not started. Press
START
/
STOP
.
No accompaniment
when accompani-
ment keys are
pressed.
VOLUME
is turned down. Adjust
VOLUME.
Accompaniment button
not pressed.
Press
A.B.C
.
No sound when con-
nected to an exter-
nal amplifier.
POWER
is set to
OFF
.Set
POWER
to
ON
.
VOLUME
is turned down. Turn up
VOLUME.
Defective connection
cord.
Replace the connection
cord.
Problem with external
amplifier.
Check the external ampli-
fier.
42-4031.fm Page 20 Wednesday, August 11, 1999 4:22 PM