5 Troubleshooting
Audio signal carries an |
| Too much |
| Engage the channel’s |
unwanted hum. |
| the mix. |
| filter by pressing the HPF |
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| switch. |
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| Interference from appliances |
| Engage the channel’s |
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| such as air conditioners. |
| filter by pressing the HPF |
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| switch. |
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| Not using TRS cables. |
| Make sure you are using 1/4” |
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| TRS cables. |
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Microphone level is too low. |
| Phantom power is not |
| Turn on phantom power using |
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| turned on. |
| the switch on the rear panel of |
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| the mixer. |
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| Microphone is damaged. |
| Test the microphone on other |
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| audio devices. If you detect |
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| damage, contact the |
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| manufacturer or dealer. |
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No or low sound from a |
| Channel level is too low. |
| Turn up channel level. |
channel. |
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| Instrument volume is too |
| Turn up the instrument’s |
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| low. |
| volume control. If problem |
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| persists, check the instrument by |
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| plugging headphones into the |
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| instrument’s phone jack. |
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| Gain is too low. |
| Adjust the channel’s GAIN |
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| control. |
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Internal effects aren’t |
| Effects level is too low. |
| Turn up the level using the |
working. |
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| EFFECTS / AUX RET B |
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| LEVEL control in the master |
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| section of the mixer. |
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| An effect hasn’t been |
| Press the EFFECTS knob on |
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| selected. |
| the desired effect and make sure |
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| the SIG indicator is lit. |
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