Jim,

That 'ticking' noise when in the DSP menu is present on all K2s with the 
KDSP2 option.
I believe it is the sound of the clock updating.  It is not a problem 
and goes away when you exit the DSP menus.  I am surprised that you just 
now noticed it.

73,
Don W3FPR

Jim Harris wrote:
> Hi,
>
> My K2 is slightly over four years old.  I only use it for portable operations 
> about once per month.  It has all the bells and whistles including DSP and 
> all needed mods are installed.  I power it with an external battery through 
> an MFJ battery booster.  I had to add the booster because as the battery 
> voltage would drop below about 11.5 volts at the radio I would get reports of 
> transmitted audio distortion.  I now get good audio reports on my transmitted 
> audio.  Since I've added the booster when I set the display function to show 
> the DSP parameters there is a crackling buzzing sound in the received audio.  
> The other display settings do not cause the noise.  Apparently there is no 
> ill effect other than the annoying noise.  Has anyone experienced this 
> previously?  Any idea as to what is causing the noise and how to get rid of 
> it.
>
> Thank you.  Have a good day and 73.
>
> Jim, W0EM
>
>
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