[Elecraft] K3 Bandwidth Offset with Latest Firmware - resolved

[Don Ehrlich]

Well,  I had not checked all of the filter settings after all.  Two of my 
filters were set to OFF.
Doh !!

Sorry for the bandwidth.

Don K7FJ


> Ever since loading the latest firmware this problem has occurred:
>
> I am listening to a cw signal with the bandwidth set to maximum (2.8 Khz 
> on the display)
> I have centered a cw signal in the exact center of the cwt display .. I am 
> exactly on frequency.
> I have the bandwidth display centered using the shift control.
>
> Then I reduce bandwidth slowly and when I get down to about 500 hertz the 
> signal nearly disappears.  I can recover it using the shift control (about 
> FC 35 on the display) but as I continue reducing bandwidth more and more 
> shift is needed to hold the signal until at about 200 hertz bandwidth 
> there is no signal left and the shift control is no longer effective.
>
> Before the last firmware upgrade I could crank the bandwidth down to 50 
> hertz while everything remained centered on the display.
>
> I have checked and rechecked all filter settings.  They are all as I had 
> them set up originally.
>
> What has happened?
>
> Don K7FJ
> K3  #195
> Filters:  6 KHz , Stock 2.7KHz, 200 Hz