[Elecraft] Frequency counter probe

[Vic Rosenthal]

akern@haverford.edu wrote:

> Is it necessary to leave the frequency counter probe plugged into TP2 to
> perform BFO filter settings?  If I leave it unplugged I will not be able
> to see the actual BFO frequency, but I will see the DAC setting and the
> absence of the probe will not affect tuning the DAC, right?

No, you need to have the probe in.  When you change BFO settings, the K2 
firmware adjusts the PLL offset so that the pitch of the received signal 
will be unchanged, and it needs to read the BFO frequency to do this.

Vic K2VCO