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Have you tried unplugging the Microphone from the radio for starters?? Ive seen it time and time again where the connector end has wires get messed up from use and short out.
TONYV225
IT WILL NOT UNKEY EVEN WITH THE MICROPHONE UNPLUGED
TURN THE POWER OFF AND IT UNKEYS THEN WHEN YOU KEY IT UP IT WILL NOT UNKEY UNTIL THE POWER IS TURNED OFF.
THANKS
HANK
Please advise me to what is a good replacement mic for my SR-497HPC... Answer: 497 is "wired like Cobra", so many choices available. That radio does not need a power mic, so purchase a stock "coffin style" mic with a decent cord, like the ones that Astatic uses. The Superstar DM-507 is my go-to. https://www.ebay.com/itm/3050474478...adANq91JSiEEnz8EGqPJRBloTgEyaVsBoCtoMQAvD_BwE $12.99 + .99 cent shipping.
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