[Elecraft] RF gain calibration

[Bill W4ZV]

Gary, W7TEA wrote:
> 
> Just bought a second K3 and thought I'd check the S meter calibration. 
> Using a XG-2, 50uv read S-7 but before going further I ran the RF gain
> calibration in the K3 utility. I did it four times.  When I chose to "use
> the signal source" the calibration would conclude and the RF gain control
> and S meter seemed to operate normally.  When I turned the rig off and
> then back on, the RF gain control became nearly inoperable (full CCW would
> move S meter only up to S-5).  When I chose "use factory default"  the
> calibration seemed to be remembered after restart and the RF gain control
> worked normally.  I was using K3 Utility Mac version 1.4.1.8
> 
> I remember a similar situation a few years back but a newer version of the
> K3 utility addressed it.  Is this a known problem?  I didn't find any
> recent posts about it.
> 

This was a problem (i.e. not saving the RF Cal constants) with the Windows
Utility last September which was corrected in an October update of the
utility.  I have no idea about the Mac Utility but your description sounds
identical.  If you have an older version of the utility, try using that.

73,  Bill


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