[Elecraft] Foot Switch Doesn't Work

[Mike Harris]

I use a donated Heil FS-3 foot switch plugged into PTT IN and it works 
perfectly.

Try plugging a short circuit RCA plug into the K3 and checking if it 
keys or not. The only other RCA socket in that line is KEY OUT to the 
linear!

Regards,

Mike VP8NO

On 28/07/2020 13:11, kg6mzs wrote:
> Hello All,
> 
> I've connected a Heil foot switch to to rear panel PTT In RCA jack and 
> it doesn't key my K3.
> 
> I searched the archives here  and found that Don W3FPR had suggested 
> testing the foot switch of another unfortunate, Dick K9OM, who suffered 
> the same problem.  This thread went unresolved, AFAICT.
> 
> I've tested the Heil and it checks out.
> 
> Any ideas as to why my foot switch will not key the K3?
> 
> TIA,
> 
> Eric
> 
> KG6MZS