[ARC5] muting

[John Hutchins]

Ray -
     Not an ARC-5 expert but there is an external ANT relay box that 
shorts the Antenna to ground and if I remember correctly has a current 
meter on the transmit leg of the relay?
Hutch
On 1/17/2014 7:32 AM, Mark K3MSB wrote:
> Hi Ray –
>
> No schematics here at the office so I’m going from memory, always a
> dangerous thing for me to do.
>
> The Receiver rack contains relays that short the audio line when you
> transmit.  If you don’t have the rack you can do this with an external
> relay.  However, shorting the line means you have no side tone for spotting
> and monitoring of you on-the-air signal.
>
> I do not short the audio during transmit.  I find that just turning down
> the receiver sensitivity control to almost minimum gives me audio at a
> reduced level for both of these purposes.   This means you have an extra
> step when switching between transmit and receive, but for typical vintage
> type QSOs this doesn’t matter as the guy on the other end also needs a
> small time delay to do the same thing.
>
> 73 Mark K3MSB
>
> Sent from my Android phone
> On Jan 17, 2014 12:12 AM, "RAY FRIESS" <rayfrijr at msn.com> wrote:
>
>> I have an ARC 5 receiver/transmitter pair for 40 meters.  The receiver is
>> all ready to go, having had the usual
>> mods done to it.  The transmitter is still in original condition, ready to
>> be modded to be put on the air.
>>
>> I have a question that I've been trying to find an answer to, but have
>> been unable to find it addressed anywhere,
>> such as in the handbooks or other ARRL publications.
>>
>> The question I have is, how do I mute the receiver when I'm transmitting?
>>
>>
>>
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