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Vocopro UHF-5800 Professional Microphone Questions & Answers
The red light on the
The light means it's low on batt power.....either the batteries are low or the mic needs repaired
I love the UHF-5800, but
The hum could be for a number of reasons
- The slightly low voltage / current handling of the power supply won't help. You could probably get away with up to 15v without difficulty - many laptop universal power supplies are capable of generating the higher voltage so might be better than normal multi-voltage transformers that only go up to 12v - they will also be more stable in output.
- The polarity of your power supply could be the wrong way round - check the symbols on the case near the power input socket - it matters with some brands and not with others.
- Move the wireless receiver away from any other sources of interference - anything with a large electro-magnetic field (CD or DVD players, tv, hearing loop amplifiers, mains transformers) or any large lumps of metal that may attenuate the signal.
- Only use balanced (xlr) cables to connect receiver to amplifier mixer and make sure they do not run parallel to any cables carrying mains electricity.
- Turn the signal gain on the receiver up and the sensitivity on the amp /mixer down to improve the signal to noise ratio.
- If the set allows try switching to a different frequency
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