5. Troubleshooting Guide
| Problem |
| Possible Causes |
| Solutions |
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| No audio & no lights on |
| Receiver is off |
| Make sure that power supply is prop- |
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| receiver |
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| erly connected and providing power to |
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| the receiver |
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| No audio & no Tx ON |
| Transmitter is off |
| Turn on transmitter power switch |
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| light on receiver |
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| No (or dead) battery in |
| Insert fresh battery in transmitter |
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| transmitter |
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| Faulty battery contacts |
| Clean contacts |
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| in transmitter |
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| No audio |
| Transmitter audio switch |
| Turn on transmitter audio switch |
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| is off (signal is muted) |
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| Receiver audio cable is dam- | Connect, repair, or replace cable |
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| aged or disconnected |
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| Gain not | sufficient | on | Increase mixer/preamp/amplifier gain |
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| mixer/preamp/amp input. |
| setting |
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| Low audio signal |
| Gain set too low (or muted) on | Increase | gain | setting | on |
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| mixer/preamp/amplifier |
| mixer/preamp/amplifier |
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| Receiver | audio too | low | Increase receiver audio volume setting |
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| (1/4”/6.4mm output) |
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| Transmitter audio level too low | Increase transmitter audio gain setting |
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| Distorted audio signal |
| Transmitter audio level too high | Decrease transmitter audio gain set- |
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| (overloading transmitter circuit) | ting |
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| Receiver audio set too high (1/4” | Decrease receiver audio level setting |
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| 6.4mm output) |
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| Battery level low in transmitter | Insert fresh battery in transmitter |
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| Interference |
| Another wireless product in the | Change operating frequency. If inter- |
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| immediate area, operating on the | ference is weak, keep transmitter on at |
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| same frequency, or on a fre- | all times (to override interfering sig- |
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| quency that mixes with another | nal) whenever receiver is on. |
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| RF signal (such as a TV broad- |
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| cast transmitter). |
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| Receiver placed too close to a | Move receiver to a different location |
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| digital signal processor or simi- |
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Strong electromagnetic field from stage lighting or other source near the transmitter or re- ceiver, which may be producing RF noise on or near the operat- ing frequency.
Change operating frequency. Repair or remove source of interference. Move receiver to a different location.
Short range or | RF reflective metal obstacles | Move the obstacles, or reposition the |
| between transmitter & receiver. | receiver |
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| Poorly oriented beltpack an- | Reorient bodypack so that antenna is |
| tenna | positioned vertical (up and down) and |
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| facing receiver, if possible |
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| Faulty receiving antenna system | Reposition antennas or receiver |
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