[Elecraft] Question on filters/ possible problem

[Brett Howard]

Are you sure you've got the 400Hz filter in the slot that you told the
radio you put it into?  If you've only double checked check two more
times! ;)

~Brett 

On Mon, 2010-03-08 at 20:10 -0600, John Harper wrote:
> I just finished my K3, at least to the point of doing the pre 100W PA alignments: Synth cal, filter set-up, ref osc & tx gain cals are all done.
> 
> I did the filter set-up via the K3 menu, then verified with the K3 utility program. I have the standard 2.8 kHz and the 8-pole 400 Hz filters.
> 
> The problem I have is when adjusting the bandwidth to the point where the 400 Hz filter comes in - as soon as that happens, the receiver seems to go dead. Whoever I was listening to disappears and background noise goes waaay down...almost silent. I've dialed in both 1 and 8 dB gain for the 400 Hz filter but niether has any effect.
> 
> Any suggestions? Thanks,
> 
> John Harper AE5X
> 
> 
> 
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