[Elecraft] K3 6M operation
Mike
nf4l at nf4l.com
Fri Dec 4 14:27:04 EST 2009
Thanks Eric -
Works as programmed, and as I'd like!
73, Mike NF4L
Eric Swartz - WA6HHQ, Elecraft wrote:
> Just push the PRE button while RX ANT is enabled. That toggles it
> on/off for the RX ANT path. It is remembered separately for this path.
>
> 73, Eric
>
>
> Mike wrote:
>> Thanks Wayne -
>> Is there a way to disconnect the internal preamp from the RX ANT
>> button, so that tapping the RX ANT button doesn't turn on the
>> internal preamp?
>>
>> Mike
>> Wayne Burdick wrote:
>>
>>> The PRE icon pertains only to the K3's internal preamp. I suggest
>>> turning it off in most cases when you're using the PR6. Otherwise
>>> you'll have more gain than necessary, possibly degrading dynamic
>>> range. (With the PR6 on -- giving you an MDS of about -144 dBm --
>>> turning on the internal preamp would provide only a small fraction
>>> of a dB improvement.)
>>>
>>> To turn the PR6 itself on, you need to turn on the RX ANT path
>>> (which you have done), but you also have to power the preamp. You
>>> can leave it powered all the time (via a jumper block, if I'm
>>> remembering correctly), or (preferably) turn it on/off using the
>>> DIGOUT1 signal on the 15-pin accessory jack. The PR6 manual should
>>> cover all of this.
>>>
>>> 73,
>>> Wayne
>>> N6KR
>>>
>>>
>>>
>
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