Front Panel Diagram |
| Troubleshooting |
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| Problem | Items to check |
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| Unit will not turn on | • | Is unit plugged in? |
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| • | Are batteries charged? |
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| • | Are fuses blown? |
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| Unit operates on AC but not on battery | • | Check battery terminals |
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| • | Check 10A fuse |
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| Sound is distorted | • | If “Maximum Output” is lit, turn | ||||||
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| • | down volume |
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| If using wireless mic, is red ‘Audio | |||||||
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| Peak’ lit? If so, signal (such as | ||||||
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| voice) | is | too | strong. | Move | ||
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| microphone | farther | away | from | |||
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| source. |
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| • Turn down | input | source (such | as | ||||
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| keyboards, etc.) since the output of | ||||||
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| some devices may be too high |
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| • Check for debris on speaker cone | |||||||
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| (sand, etc.) |
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| Sound is muffled | • | Bass too high |
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| • | Treble too low |
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| Loud squealing sound coming from unit | • | “Feedback” | occurs | when | a | |||
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| microphone is too close to the | ||||||
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| speaker or gain is too high. Move | ||||||
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| microphone | farther | away | from | |||
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| speakers and/or turn down channel | ||||||
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| gain. |
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| Power is on, but no sound | • | check volume levels for each | ||||||
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| • | channel and main volume |
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| if using wireless, be sure | |||||||
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| receiver(s) | and/or | transmitter | ||||
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| • | battery is installed and/or is on |
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| If using “line insert”, loop must be | |||||||
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| completed. | See “special features” | |||||
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| • | section. |
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| Check speaker connection |
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| • If “Maximum | Output” | is | lit, | ||||
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| replace power amplifier board |
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| Microphone signal is weak | • | If mic has batteries, check batteries | ||||||
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| in microphone |
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| • Turn | on | phantom | power | if | |||
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| • | applicable |
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| Check cables/connectors |
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| • | Is Mic/Line switch in proper |
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| position? |
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11 | 12 |
