[Elecraft] K3: PRE/ATT Bug or feature?

[Guy Olinger K2AV]

This is one of those things that has always been possible in radios
that had both.  In the MP, with the 0-6-12-18 ATT and both IPO and
menu selected preamp function, it has always been possible to do
preamp with the ATT set.  Make any sense?  Maybe, but don't think so.
Even  less so on a K3

A lot of the design decisions in the K3 appear to have been made with
an eye to keeping the APPEARANCE of analog function, e.g. so called RF
gain.  The menu driven RF gain on the Orion was always a startup
learning issue.  I'm sure Wayne was watching.

It certainly is possible in firmware to not allow the PRE to be set
when the ATT is on.  But why put up with the support calls about can't
turn on PRE when it doesn't behave like predecessor radios, when most
will intuitively understand that ATT+PRE equals neither.

Most of the time I don't need to be protected from myself.  The other
times no one can help me anyway. : >)

73, Guy.

On Tue, Aug 10, 2010 at 9:32 AM, Tom W8JI <w8ji at w8ji.com> wrote:
> It might make gain 2dB, but what does that do overall to dynamic range? Has
> anyone measured performance with both attenuator and preamp on??
>
>
> ----- Original Message -----
> From: "Don Wilhelm" <w3fpr at embarqmail.com>
> To: "Bill McDowell" <k4cia at earthlink.net>
> Cc: "elecraft reflector" <elecraft at mailman.qth.net>
> Sent: Tuesday, August 10, 2010 8:47 AM
> Subject: Re: [Elecraft] K3: PRE/ATT Bug or feature?
>
>
>> Bill,
>>
>> Normal operation.  The attenuator is -10 dB and the preamp is +12 dB.
>> So if you only need +2 dB of preamp, turning both on will give it to you.
>>
>> 73,
>> Don W3FPR
>>
>> Bill McDowell wrote:
>>> My K3 (SN 1069, fw 4.03) has always exhibited the ability to have PRE and
>>> ATT on simultaneously.  If one engages ATT by a long hold, then hits PRE
>>> with a tap (same button), the display shows both functions engaged.  The
>>> converse is true too, i.e. PRE engaged with a tap, followed by ATT with a
>>> long hold.
>>>
>>>
>>
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