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| 6 Troubleshooting |
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Problem |
| Possible Cause |
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No sound. | 1. | Power to mixer and/or amplifier is off. | 1. | Switch power to mixer or amplifier on. | |
| 2. | Channel or master fader on mixer, or volume | 2. | Set channel or master fader on mixer or volume | |
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| control on amplifier is at zero. |
| control on amplifier to desired level. | |
| 3. | Microphone is not connected to mixer or ampli- | 3. | Connect microphone to mixer or amplifier. | |
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| fier. |
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| 4. | Cable connectors are seated loosely. | 4. | Check cable connectors for secure seat. | |
| 5. | Cable is defective. | 5. | Check cable and replace if damaged. | |
| 6. | No supply voltage. | 6. | Switch phantom power on. | |
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| Phantom power supply: insert batteries. | |
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| Check cable and replace if necessary. | |
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Distortion. | 1. | Channel gain control on mixer set too high. | 1. | Turn gain control down CCW. | |
| 2. | Microphone too close to sound source. | 2. | Move microphone further away from sound | |
| 3. | Microphone sensitivity set too high. |
| source. | |
| 3. | Switch preattenuation pad in. | |||
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AKG PERCEPTION 420 |
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| 9 | |