Troubleshooting Guide
Problem |
| Check |
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| Correction |
No sound |
| Is power switch on? |
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| Turn power switch on. |
(no power light) |
| Is line cord connected to live power |
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| outlet? |
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| Connect power cord to live outlet. |
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No sound (power light on) |
| Are MASTER and CHANNEL |
| Adjust both | MASTER and CHANNEL GAIN |
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| GAIN controls up? |
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| controls upward to desired level. Check speaker |
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| connections. Turn mic switch on. Check mic or |
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| sound source connection. |
Fan speed varies |
| This is normal. Speed varies with |
| N/A |
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| audio signal. |
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Only one speaker works |
| Are speaker cable connectors secure? |
| Fully insert connector and/or swap speaker | |
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| cables between left and right speakers and |
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| Mono line source into CHANNEL 4 or 5? | outputs to check for damaged cables. Set | ||
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| CHANNEL 5 MODE switch to MONO or use |
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| LEFT INPUT on CHANNEL 4. |
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| Are both MASTER controls turned up. |
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Loud howling or squeal from speakers | If it | goes away when the CHANNEL or | Reduce microphone gain. Reposition | ||
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| MASTER volume controls are lowered, | microphone behind or farther from speakers. | ||
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| it is acoustic feedback. |
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| Observe FLS light above EQ and reduce level |
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| of that band. |
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Sound is distorted |
| Is the CHANNEL GAIN at a very |
| Reduce CHANNEL GAIN and increase | |
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| high setting? |
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| MASTER VOLUME |
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