I recently had the internal Sinclair duplexer tuned at a Motorola dealer. I noticed after reinstalling the repeater would do one of two things.
It would not respond when an HT or a mobile radio was keyed up with the appropriate tones. If I turned the repeater off and back on again the repeater would work for a while but when left idle for a while with no keying of the repeater it would again, not respond when an HT or mobile radio was keyed up.
The other thing it did was a buzzing sound I'd never heard before I had the duplexer tuned. I'm not sure if I can upload a video but will attempt to.
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I recently had the internal Sinclair duplexer tuned at a Motorola dealer. I noticed after reinstalling the repeater would do one of two things.
It would not respond when an HT or a mobile radio was keyed up with the appropriate tones. If I turned the repeater off and back on again the repeater would work for a while but when left idle for a while with no keying of the repeater it would again, not respond when an HT or mobile radio was keyed up.
The other thing it did was a buzzing sound I'd never heard before I had the duplexer tuned. I'm not sure if I can upload a video but will attempt to.
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