[Elecraft] S-Meter Calibration

[Don Wilhelm]

  No downside at all.  The "upside" is that you understand how you set 
it and can then read it intelligibly.
If you have the preamp on, you know it will read about 2 S units higher, 
and if you have the attenuator on it will read 1 1/2 to 2 S-units lower 
- that is unless you have set ABS mode on, and then the reading is not 
changed with PRE or ATT on or off.

73,
Don W3FPR

On 4/21/2011 5:24 PM, Alexander Sack wrote:
> On Wed, Apr 20, 2011 at 11:46 PM, Don Wilhelm<w3fpr at embarqmail.com>  wrote:
>>   Bill,
>>
>> I agree, and I am glad to see that the K3 has included ABS mode for the
>> S-meter.
>> If you are using ABS mode, calibrate the S-meter with the preamp off.  If
>> you are using NOR, then do as the manual says and calibrate it with the
>> preamp ON.
>>
>> OTOH, if you are more interested in the bands where you run with the preamp
>> OFF, then you may want to vary from the manual instructions even when using
>> S-meter NOR.  Take your pick, but at the same time, be aware of the
>> consequences.  If you calibrate with the preamp off, the S-meter will read
>> too high when you activate the preamp should you be operating with S-meter
>> NOR - the reverse will happen if you calibrate with the preamp on and
>> operate with the preamp off.  Take your pick, the K3 offers several choices
>> - as the guardian Knight of the Holy Grail said in "Raiders" - choose wisely
>> (and accept the consequences of your choice).
>>
> @Eric/Wayne or anyone, is there any down sides in calibrating the
> S-Meter with the PRE turned off?
>
> -aps
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