[AMRadio] NC270 Muting

[Harold Smith]

----- Original Message ----About switching and muteing the National...IF you 
will Short the speaker ,and ground the antenna post {rec input} You will 
mute the speaker, remove signal from ant input .the AVC will be happy, It 
will be 100% effective and last at least 100 years..Will not require any 
internal wiring changes..Now what could be simplier?
From: "Geoff Edmonson" <w5omr at att.net>
To: "Discussion of AM Radio in the Amateur Service" 
<amradio at mailman.qth.net>
Sent: Thursday, April 07, 2011 8:39 PM
Subject: Re: [AMRadio] NC270 Muting


> On 04/07/2011 06:22 PM, Harold Smith wrote:
>> Bob,one simple way to quite the rec is to short across the speaker terms
>> ..If you are using a Xmtr with PTT it is simple ...Connect a set of 
>> contacts
>> norm open to spkr terms on back..When you hit PTT the rec will stndby..It 
>> is
>> a safe method  ,some commercial receivers were controlled that way..LOL
>
> That doesn't protect the receiver from front-end overload, not to
> mention doing bad things to the AGC circuit.
>
>
>
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