Did I blow something up?

[Bill VanAlstyne W5WVO]

I think I might have blown something here, leaving the AGC turned off and then having a strong local signal come through. on frequency.

Setup: There is no KRX3 2nd receiver. I have a Heil headset plugged into the back, as well as stereo computer speakers plugged into the back.

Here is what happens with various configuration settings: I normally have SPKR+PH set to YES, as I control the speaker volume (or turn them off) on the speakers. When I set SPKRS to 1, sound still comes out of both speakers, but only comes out of the left headphone. When I set SPKRS to 2, sound comes out of both headphones and both speakers.

If I switch SPKR+PH to NO, then sound comes out of both headphones whether SPKRS is set to 1 or 2. But with SPKR+PH set to YES, SPKRS must be set to 2 in order for me to get headphone audio out of the right headphone.

So this is not an operational problem -- I just leave SPKRS set to 2. But I think I used to get audio out of both headphones with SPKRS set to 1.  

Did something get blown up?

Bill W5WVO
______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[hidden email]

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html

[Dave Hachadorian]

--------------------------------------------------
From: "Bill VanAlstyne W5WVO" <[hidden email]>
Sent: Saturday, August 28, 2010 2:58 PM
To: "[Elecraft]" <[hidden email]>
Subject: [Elecraft] Did I blow something up?

> I think I might have blown something here, leaving the AGC
> turned off and then having a strong local signal come through.
> on frequency.
>
> Setup: There is no KRX3 2nd receiver. I have a Heil headset
> plugged into the back, as well as stereo computer speakers
> plugged into the back.
>
> Here is what happens with various configuration settings: I
> normally have SPKR+PH set to YES, as I control the speaker
> volume (or turn them off) on the speakers. When I set SPKRS to
> 1, sound still comes out of both speakers, but only comes out
> of the left headphone. When I set SPKRS to 2, sound comes out
> of both headphones and both speakers.
>
> If I switch SPKR+PH to NO, then sound comes out of both
> headphones whether SPKRS is set to 1 or 2. But with SPKR+PH set
> to YES, SPKRS must be set to 2 in order for me to get headphone
> audio out of the right headphone.
>
> So this is not an operational problem -- I just leave SPKRS set
> to 2. But I think I used to get audio out of both headphones
> with SPKRS set to 1.
>
> Did something get blown up?
>
> Bill W5WVO

-------------------------------------------

My K3 behaves just as you describe.

With spkr+ph set to yes, and spkrs to 1, sound comes out of the
left headphone only.

I would plug your computer speakers into LIN OUT, not speaker
out, and leave spkr+ph set to NO. The K3's speaker amp is
fragile, and can be blown with a loud signal, especially with AGC
OFF.

Dave Hachadorian, K6LL
Big Bear Lake, CA



































.

 

______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[hidden email]

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html

[KK7P]

  This is normal operation.

Also, note that there is an audio limiter that you can aset which is
active only with AGC off.  See the manual for details.

73,

Lyle KK7P

>> I think I might have blown something here, leaving the AGC
>> turned off and then having a strong local signal come through.
>> on frequency.

______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[hidden email]

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html

[Bill VanAlstyne W5WVO]

Thanks, Lyle. This thread can end. Thanks for the tip on the audio limiter.
Bill W5WVO

--------------------------------------------------
From: "Lyle Johnson" <[hidden email]>
Sent: Saturday, August 28, 2010 23:07
To: "Elecraft Reflector" <[hidden email]>
Subject: Re: [Elecraft] Did I blow something up?

>  This is normal operation.
>
> Also, note that there is an audio limiter that you can aset which is
> active only with AGC off.  See the manual for details.
>
> 73,
>
> Lyle KK7P
>
>>> I think I might have blown something here, leaving the AGC
>>> turned off and then having a strong local signal come through.
>>> on frequency.
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
>

______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[hidden email]

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html