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Have rf 4900 radio. Am fm work. Sw squeeks on stations. Help

Customer Question

Have rf 4900 radio.
Am fm work.
Sw squeeks on stations.
Help me
Submitted: 1 year ago.
Category: Consumer Electronics
Customer: replied 1 year ago.
Panasonic radio vintage model
Customer: replied 1 year ago.
Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call. Let me know if you need more information, or send me the service offer(s) so we can proceed.
Expert:  Russell H. replied 1 year ago.

Hi, thank you for contacting My name is Russell. I will do my best to provide the right answer to your question.

Does the squeaking happen only when stations are tuned in?

I presume it only happens with Shortwave... if you can get other bands, does it happen with other bands' stations?

And if so, does it squeak 'with' the sounds, or independent of them or continuously?

Please describe the problem a little more.

Customer: replied 1 year ago.
Squeaks on stations
Expert:  Russell H. replied 1 year ago.

(I regret that I am not able to offer Live Phone Call service at this time; However, your request is still open to other Experts in this category, and one of them may pick up on it at any time.)

Expert:  Russell H. replied 1 year ago.

Try turning up the gain, then cup your hand over the microphone, and key the microphone.

Does the squeal sound, at this point?