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 Screeech on my 6900

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6900 - Screeech on my 6900 Empty
PostSubject: Screeech on my 6900   6900 - Screeech on my 6900 Icon_minitimeFri Oct 13, 2023 4:18 pm

Has anybody had an issue with a loud screech before the on beep when you switch on a CRT 9900, as it hurts my little ears, how do I stop it please ?? Sad


Last edited by Wheel Nut on Tue Oct 17, 2023 3:30 pm; edited 1 time in total
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Tonyvic
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Tonyvic


Call Sign : 26-CT-4013/M7DVQ
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QTH or Location : Brighton, East Sussex
Equipment Used : Yaesu 991a - Imax 2000 - CRT Electro - Sharman X50
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6900 - Screeech on my 6900 Empty
PostSubject: Re: Screeech on my 6900   6900 - Screeech on my 6900 Icon_minitimeFri Oct 13, 2023 8:02 pm

Hi Bernie,
Does an Error flash up when it screeches, and does it happen every time you switch on?
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Sharpshooter
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6900 - Screeech on my 6900 Empty
PostSubject: Re: Screeech on my 6900   6900 - Screeech on my 6900 Icon_minitimeFri Oct 13, 2023 9:24 pm

I get it sometimes with my 9900.
Sounds like feedback.

I wonder if it's when the mic is close to the rig on switch on.
Not transmitting of course ,
I have an external speaker next to it, in the car. But I think it did it before I installed that.

So not sure what's causing it, it's intermittent,
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6900 - Screeech on my 6900 Empty
PostSubject: Re: Screeech on my 6900   6900 - Screeech on my 6900 Icon_minitimeSat Oct 14, 2023 8:15 am

My 9900 does it some times.
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PostSubject: Re: Screeech on my 6900   6900 - Screeech on my 6900 Icon_minitimeSat Oct 14, 2023 11:38 am

Sorry chaps it is on my 9900 not the 6900 wot a pillock.  Rolling Eyes
Tony, no error message just a screech, but if like Sharpshooter says it could be feedback as the startup voltage is quite high. It happens sometimes so may need to make notice of where the mike is on startup. It may even be low voltage supply from the leisure battery, dunno.
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PostSubject: Re: Screeech on my 6900   6900 - Screeech on my 6900 Icon_minitimeSat Oct 14, 2023 11:53 am

Yes definitely feedback !!!!
 Because the mike is to close to the  speaker or headphones on startup, problem solved.
Sharpshooter well spotted Sir
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Tonyvic
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6900 - Screeech on my 6900 Empty
PostSubject: Re: Screeech on my 6900   6900 - Screeech on my 6900 Icon_minitimeSat Oct 14, 2023 6:34 pm

Wheel Nut wrote:
Yes definitely feedback !!!!
 Because the mike is to close to the  speaker or headphones on startup, problem solved.
Sharpshooter well spotted Sir
A number of people have this problem with the ss9900, a ferrite bead on the mic cable or a different mic have both completely cured the problem without having to think about how far apart thins are. Cool

Edited to add:
I won't even mention that if talkback is on (even very low) it could cause the problem. Exclamation
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PostSubject: Re: Screeech on my 6900   6900 - Screeech on my 6900 Icon_minitimeSat Oct 14, 2023 7:21 pm

Tonyvic wrote:
Wheel Nut wrote:
Yes definitely feedback !!!!
 Because the mike is to close to the  speaker or headphones on startup, problem solved.
Sharpshooter well spotted Sir
A number of people have this problem with the ss9900, a ferrite bead on the mic cable or a different mic have both completely cured the problem without having to think about how far apart thins are. Cool

Edited to add:
I won't even mention that if talkback is on (even very low) it could cause the problem. Exclamation
Another mike? Hmm only seems to happen with the standard mike, my K-po NM532 seems OK. And the NOG is off. Anyway all sorted now.
Thank all 😃😊
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Tonyvic
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Equipment Used : Yaesu 991a - Imax 2000 - CRT Electro - Sharman X50
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6900 - Screeech on my 6900 Empty
PostSubject: Re: Screeech on my 6900   6900 - Screeech on my 6900 Icon_minitimeSun Oct 15, 2023 8:55 am

Wheel Nut wrote:
Tonyvic wrote:
Wheel Nut wrote:
Yes definitely feedback !!!!
 Because the mike is to close to the  speaker or headphones on startup, problem solved.
Sharpshooter well spotted Sir
A number of people have this problem with the ss9900, a ferrite bead on the mic cable or a different mic have both completely cured the problem without having to think about how far apart thins are. Cool

Edited to add:
I won't even mention that if talkback is on (even very low) it could cause the problem. Exclamation
Another mike? Hmm only seems to happen with the standard mike, my K-po NM532 seems OK. And the NOG is off. Anyway all sorted now.
Thank all 😃😊
Ok Bernie, you didn't mention that it only happens with the stock mic. That is widely known & reported on the net!
For future reference it makes things much easier if you state all the facts when asking for help. Razz Wink 

ps. Glad your new static mobile antenna is doing better than the old one. I can at least hear you dulcet tones a tad when you are in West Sussex. Cool
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PostSubject: Re: Screeech on my 6900   6900 - Screeech on my 6900 Icon_minitimeSun Oct 15, 2023 5:14 pm

Sad
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skyrider
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PostSubject: Re: Screeech on my 6900   6900 - Screeech on my 6900 Icon_minitimeSun Oct 15, 2023 6:10 pm

i bet he doesn't know how to take that  Laughing
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Tonyvic
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Call Sign : 26-CT-4013/M7DVQ
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PostSubject: Re: Screeech on my 6900   6900 - Screeech on my 6900 Icon_minitimeSun Oct 15, 2023 10:28 pm

skyrider wrote:
i bet he doesn't know how to take that  Laughing
If you mean I might not know Lionel, you are correct!

If you mean Bernie. Question Laughing
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13oots2
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PostSubject: Re: Screeech on my 6900   6900 - Screeech on my 6900 Icon_minitimeMon Oct 16, 2023 6:40 am

I would go back to the person who sold you it, hang on, that was me lol.

Tonyvic likes this post

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skyrider
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PostSubject: Re: Screeech on my 6900   6900 - Screeech on my 6900 Icon_minitimeMon Oct 16, 2023 7:51 pm

WHOOPS  pale
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PostSubject: Re: Screeech on my 6900   6900 - Screeech on my 6900 Icon_minitimeTue Oct 17, 2023 9:51 am

skyrider wrote:
i bet he doesn't know how to take that  Laughing
I do know how to take that, simple ask no questions.
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Tonyvic
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Tonyvic


Call Sign : 26-CT-4013/M7DVQ
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Equipment Used : Yaesu 991a - Imax 2000 - CRT Electro - Sharman X50
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PostSubject: Re: Screeech on my 6900   6900 - Screeech on my 6900 Icon_minitimeTue Oct 17, 2023 12:25 pm

Bernie, I'm sorry if you took it the wrong way. Embarassed 
Please ask questions, my only point was that a more informed answer can be given with the relevant info. Smile
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PostSubject: Re: Screeech on my 6900   6900 - Screeech on my 6900 Icon_minitimeFri Oct 20, 2023 8:13 pm

Tonyvic wrote:
Bernie, I'm sorry if you took it the wrong way. Embarassed 
Please ask questions, my only point was that a more informed answer can be given with the relevant info. Smile
No more Questions from here. This is after all an open public forum, I don't expect this as an answer.
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