[Elecraft] K3 / RF gain - S meter issue

[carlo bianconi]

Hi Bruce,

try to reload the factory data calibration before doing the calibration 
with a generator.

Usually it works.

73, Carlo

Carlo Bianconi Telecomunicazioni Official Elecraft Dealer Via O.Trebbi 8/B 40127 Bologna - Italy Ph. 0515878825 mail carlobianconi at iol.it www.carlobianconi.com

Il 14/12/2017 14:38, Roger D Johnson ha scritto:
> 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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