[Elecraft] K3 - HI RFI alarm

[Fred]

Never seen a HI RFI indication before ... could it have been HI RFL [hi 
reflected]?  If it's HI REFL, it sounds like something has failed in the 
AL-811 input circuit.

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

Nick Kennedy wrote on 11/3/2021 9:58 AM:
> I've had my K3 since around 2007 and recently have started getting a HI RFI
> message on the LCD while operating CW and using my AL-811 amplifier at
> about 500 W.
>
> It seems odd since when I'm "key down" my antenna should not be connected
> to the receiver.
>
> I'm not using QSK. I have a bit of delay to keep the amplifier's T/R relay
> from operating between characters.
>
> I don't have a separate antenna connected.
>
> I've run 100 W or QRP most of my ham life but for the past five or more
> years I've occasionally used the AL-811 and had no issues until recently.
>
> My antennas are a 134' EFHW inverted L and an 88' dipole fed with ladder
> line via a Johnson Matchbox.
>
> CW SS is coming up.  I'd like to use the amp but worrying about my receiver
> may be distracting.
>
> Anyone seen this?
>
> 73
>
> Nick, WA5BDU


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