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.
Symptom | Possible Cause | Remedy | |
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No sound, even if | POWER is set to OFF. | Set POWER to ON. | |
keys are pressed. |
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VOLUME is turned down. | Turn up VOLUME. | ||
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| Headphones are con- | Unplug headphones. | |
| nected. |
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| Power supply problem. | Check the power supply. | |
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| • Ensure batteries are | |
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| installed correctly. | |
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| • Ensure batteries are | |
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| fresh. | |
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| • Check for correct AC/ | |
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| DC adapter connection. | |
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No rhythm. | VOLUME is turned down. | Adjust VOLUME. | |
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| Rhythm was not started. | Press START/STOP. | |
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No accompaniment | VOLUME is turned down. | Adjust VOLUME. | |
when accompani- |
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Accompaniment button | Press A.B.C. | ||
ment keys are | |||
not pressed. |
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pressed. |
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No sound when con- | POWER is set to OFF. | Set POWER to ON. | |
nected to an exter- |
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VOLUME is turned down. | Turn up VOLUME. | ||
nal amplifier. | |||
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| Defective connection | Replace the connection | |
| cord. | cord. | |
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| Problem with external | Check the external ampli- | |
| amplifier. | fier. | |
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