[Elecraft] K3 / RF gain - S meter issue

[Roger D Johnson]

Is the S meter supposed to read 60 over 9 when the RF gain is turned all the way 
down?

Mine reads 30db!

73, Roger



On 12/13/2017 9:10 PM, Wes Stewart wrote:
> I would first perform the RF Gain calibration using the K3 Utility. The 
> calibration program measures gain characteristics and applies software 
> correction.
>
> Then run the S-meter calibration.
>
> Wes  N7WS
>
> On 12/13/2017 2:25 PM, Bruce Meier wrote:
>> Looking for suggestions here from someone that might have experienced this
>> same issue - -
>>
>>
>> I have (2) K3 units (not the S model) that are acting different when the RF
>> gain adjustments are turned fully counter clockwise.
>>
>> Ø  Unit one – s/n 1062: When the RF gain is decreased to full counter
>> clockwise position the S-Meter registers full scale (60db over S9) as
>> expected.
>>
>> Ø  Unit two – s/n 1193:  When the RF gain is decreased to full counter
>> clockwise position the S-Meter registers only S8.
>>
>>   Facts:
>>
>> Ø  With the exception of the S-Meter readings with RF gain settings, both
>> units are working fine
>>
>> Ø  Both units have ‘almost’ all mods installed.  If not all, they are at
>> least both the same.
>>
>> Ø  Both units are running the same version of microcode (5.54) (2.88) (2.88)
>> (1.26)
>>
>> Ø  Both units seem to register very close actual RF gain of stations when
>> connected when tested on the same antenna
>>
>> Ø  Both units have the new synthesizers.
>>
>> Ø  Both units have second RX
>>
>> Ø  In both cases (both units) I can hear the audio level decreasing linearly
>> as expected as the RF gain is turned counter clockwise
>>
>> I have tried to initialize the K3 and reload the firmware resulting in no
>> change to the RF gain / S-Meter readings.
>>
>>
>> Elecraft Tech Support suggested:
>>
>> Ø  Calibrating the s-meter – did nothing
>>
>> Ø  Next suggestion – send the rig to California.
>>
>>
>> Anyone have this issue and fixed it??
>>
>>
>> 73,
>>
>> Bruce N1LN
>
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