[R-390] Using Break-In

[David C. Hallam]

I have that I have to open the RF gain connection on the back panel 
terminal strip on transmit with my DowKey relay or there is just too 
much signal for the R-390.

David
KC2JD/4

Ed G wrote:
> Hi Folks,
>      From reading about the break-in feature of the 390A, I *think* it works
> like "receiver muting" does on more modern receivers, but I wanted to get
> some other opinions. If I leave the front panel break-in switch off, I
> believe the 390 just keeps receiving (with no connections to TB103 pin 9),
> correct?  If I turn the front panel break-in switch on, what have I enabled
> circuit-wise?  Can I then ground the rear panel TB103 pin 9 and have the
> receiver mute, or does the receiver then just ground the antenna inputs, but
> allow me to hear the transmitter?
>      I guess the term "break-in" is slightly confusing, as I doubt this is
> really full QSK.
> --Ed G--
> 
> 
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